Our Research

Research and Stuides from Neurobehavioral Research Inc.NRI specializes in using EEG, structural MRI and neuropsychological and behavior assessment to study the effects of drugs and diseases on brain structure and function.
Current Studies
 

Brain Morbidity in Treatment-Naive Alcoholics

Most studies on the impact of alcohol dependence on the brain have examined individuals in treatment, or shortly thereafter. Such samples represent only about a quarter of alcohol dependent individuals in the general population.

In the previous five years of work, we studied 21-50 year old actively drinking treatment-naive alcohol dependent individuals and age and gender comparable controls, and compared them to our other ongoing study of 35-55 year old long-term abstinent treated alcohol dependent individuals and their age and gender comparable controls. We showed that with regard to alcohol intake in the initial period after starting abusive drinking, treatment-naive alcohol dependent individuals were a subpopulation with lower initial heavy alcohol consumption than abstinent treated and not simply observed earlier in the progression of the disease. The current study will continue to examine the same issues in an older sample of 35-60 year old treatment-naive alcohol dependent individuals, half with and half without concomitant drug abuse/dependence.

Long-term Abstinent Alcoholics: Clinical Issues and Central Nervous System (CNS) Disinhibition

Extends our work in studying long-term abstinent alcoholics with comparison samples of short-term abstinent alcoholics, and both short- and long-term abstinent alcoholics with concomitant drug and alcohol dependence.

Our preliminary/prior data showed clearly that LTAAs were very deviant prone, poorly socialized, made decisions that were strongly governed by immediate rewards, and evidenced reduced amygdala volumes, all characteristics associated with antisocial behavior, yet engaged minimally in such behavior. A focus of the work proposed here is to determine whether the neurobiological disinhibitory underpinnings of externalizing illness have changed with abstinence, or whether the predisposition is unchanged, but kept under wraps by higher cognitive functions. In addition, this would allow us to replicate, with greater sensitivity, our prior work in long-term abstinence, recruiting both short- and long-term alcoholics with comorbid drug dependence, so that the generalizability of our potential findings to the U.S. population would be (greatly) improved. Moreover, we believe that the findings from alcohol-dependent individuals with versus without comorbid drug dependence will differ with regard to the function of disinhibitory brain systems, comorbid psychiatric disturbance, and cognitive recovery. Our purpose is not to look at specific drug effects, but to test the hypothesis that individuals with comorbid drug dependence are sicker; i.e., having greater disability and lesser recovery than individuals with alcohol dependence alone.



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2014
 

Neuroplasticity in Human Alcoholism: Studies of Extended Abstinence with Potential Treatment Implications

Fein G, Cardenas V, IN PRESS Alcohol Research: Current Reviews Download

Haplotype-based study of the association of alcohol and acetaldehyde-metabolising genes with alcohol dependence (with or without comorbid anxiety symptoms) in a Cape Mixed Ancestry population

Crawford, A.,  Dalvie, S.,  Lewis, S., King, A., Liberzon, I., Fein, G., Koenen, K., Ramesar, R., Stein, DJ., Metabolic Brain Disease, IN PRESS

The cross-cultural utility of foreign- and locally-derived normative data for three WHO-endorsed neuropsychological tests for South African adolescents

Ferrett HL, Thomas KG, Tapert SF, Carey PD, Conradie S, Cuzen NL, Stein DJ, Fein G., Metab Brain Dis. 2014 Feb 14

Childhood adversity is linked to differential brain volumes in adolescents with alcohol use disorder: a voxel-based morphometry study

Brooks SJ, Dalvie S, Cuzen NL, Cardenas V, Fein G, Stein DJ., Metab Brain Dis. 2014 Feb 5

Automated cerebellar segmentation: validation and application to detect smaller volumes in children prenatally exposed to alcohol

Cardenas,V., Price, M., Infante, A. , Moore, E. , Mattson, S. , Riley, E., Fein, G., Neuroimage: Clinical, 2014, (4): 295-301, http://dx.doi.org/10.1016/j.nicl.2014.01.002
 

 

2013
 

Subcortical Volumes are Reduced in Short-Term and Long- Term Abstinent Alcoholics but not those with a Comorbid Stimulant Disorder

Fein,G., Fein,D., Neuroimage: Clinical, 2013 August; 3(2013):47-53
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Cortical and subcortical volumes in adolescents with alcohol dependence but without substance or psychiatric comorbidities

Fein, G., Greenstein, D., Cardenas, V., Cuzen, NL, Fouche, JP, Ferrett, H., Thomas, K., Stein, DJ, Psychiatry Research: Neuroimaging, 2013, http://dx.doi.org/10.1016/j.pscychresns.2013.06.001
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Not lesser but greater fractional anisotropy in adolescents with alcohol use disorders

Cardenas, V., Greenstein, D., Fouche, JP., Ferrett, H., Cuzen, N., Stein, D., Fein, G., NeuroImage: Clinical, 2013 July: 804-809, http://dx.doi.org/10.1016/j.nicl.2013.06.002
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Decision Making,Risky Behavior,and Alcoholism, Chapter 13 in Handbook of Clinical Neurology, 3rd Series

Camchong, J., Endres, M.J., Fein,G.,Handbook of Clinical Neurology, 3rd Series, In Press
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Resting State Synchrony in Long-Term Abstinent Alcoholics with Versus without Comorbid Drug Dependence

Camchong, J., Stenger, V., Fein, G.,Drug and Alcohol Dependence, 2013 July: 131(1-2):56-65
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Lifetime and Current Mood and Anxiety Disorders in Short-Term and Long-Term Abstinent Alcoholics

Fein, G. Alcoholism: Clinical and Experimental Research, 2013 November: 37(11):1930-1938
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Induced theta activity as a biomarker for a morbid effect of alcoholism on the brain in long-tern abstinent alcoholics

Gilmore, C., Fein, G., Journal of Psychophysiology, 2013; Vol.27(2):76-83, DOI: 10.1027/0269-8803/a000089
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Resting State Synchrony in Short-Term versus Long-Term Abstinent Alcoholics

Camchong, J., Stenger, V., Fein, G.,Alcoholism: Clinical and Experimental Research, DOI: 10.1111/acer.12037
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Emotion-word Processing Difficulties in Abstinent Alcoholics with and without Lifetime Externalizing Disorder

Endres, M.J., Fein, G.,Alcoholism: Clinical and Experimental Research, 2013 May;37(5): 831-838
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Gait and Balance Deficits in Chronic Alcoholics: No Improvement from 10 Weeks Through One Year Abstinence

Fein, G., Greenstein, D., Alcohol Clin Exp Res, 2013 January: 37(1):86-95
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Antisocial Symptoms Decrease to Normal Levels in Long-Term Abstinence

Fein, G., Fein, D., Alcohol Clin Exp Res, 2013 January: 37(S1): 271-280
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2012
 

Theta event-related synchronization is a biomarker for a morbid effect of alcoholism on the brain that may partially resolve with extended abstinence

Gilmore C, Fein, G.,Brain and Behavior, 2012 Sept, 2 (6):796-805
PubMed Central

Vitamin D and Calcium Status in South African Adolescents with Alcohol Use Disorders

Naude, C., Carey, P., Laubscher, R.,Fein, G., Senekal, M., Nutrients 2012, 4, 1076-1094; doi:10.3390/nu4081076
PubMed Central

Resting state synchrony during early alcohol abstinence can predict subsequent relapse

Camchong,J., Stenger, A.,Fein, G., Cerebral Cortex, Advance Access; 2012 July; doi:10.1093/cercor/bhs190
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Resting State Synchrony in Long-Term Abstinent Alcoholics

Camchong, J., Stenger, A.,Fein, G., Alcohol Clin Exp Res, 2013 January: 37(1):75-85
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Absence of P300 reduction in South African treatment-naive adolescents with alcohol dependence

Cuzen, N., Andrew, C., Thomas, K., Stein, D.,Fein, G., Alcohol Clin Exp Res, 2013 January: 37(1): 40-48
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Gait and Balance in Treatment-Naive Active Alcoholics with and without a Lifetime Drug Codependence

Fein, G., Smith, S., Greenstein, D., Alcohol Clin Exp Res, 2012 Sept: 36(9): 1550-1562
PubMed Central

Borderline Personality Symptoms in Short-Term and Long Term Abstinent Alcohol Dependence

Fein, G., Nip, V., Alcohol Clin Exp Res, 2012 July, 36(7): 1188-1195
PubMed Central

Age effect on subcortical structure in healthy adults

Goodro, M., Sameti, M., Patenaude, B, Fein, G., Psychiatry Research: Neuroimaging, 2012, Vol 203 pgs 38-45
PubMed Central

2011
 

Growth and weight status in treatment-naive 12-16 year old adolescents with alcohol use disorders in Cape Town, South Africa

Naude, C., Senekal, M., Laubscher, R., Carey P., Fein, G., Nutrition Journal
PubMed Central

Methamphetamine users show greater than normal age-related cortical grey matter loss

Nakama, H., Chang, L., Fein, G., Shimotsu, R., Jiang, C., Ernst, T., Addiction, 2011 August: 106(8): 1474-1483
PubMed Central

Persistent but less severe ataxia in long-term vs. short-term abstinent alcoholic men and women: A cross sectional analysis

Smith, S.,Fein, G., Alcohol Clin Exp Res, 2011 Dec, 35 (12): 2184-2192
PubMed Central

Lymphocyte measures in treatment-naive 13-15 year old adolescents with alcohol use disorders

Naude, C., Bouic, P., Senekal, M., Kidd, M., Ferrett, H., Fein, G., Carey, P., Alcohol, 2011 Aug:45(5):507-514
PubMed Central

Characterization of South African adolescents with alcohol use disorders but without psychiatric or polysubstance comorbidity

Ferrett, H., Cuzen, N., Thomas, K., Carey, P., Stein, D., Finn, P., Fein, G., Alcohol Clin Exp Res, 2011 Sept;35(9):1705-1715
<a href="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3704148/>PubMed Central

Event-related potentials during visual target detection in treatment-naive active alcoholics

Fein, G., Andrew, C., Alcohol Clin Exp Res, 2011, Jun;35(6):1171-1179.
 PubMed Central

Subcortical volumes in long-term abstinent alcoholics: Associations with psychiatric comorbidity

Sameti, M., Smith, S., Patenaude, B., Fein, G., Alcohol Clin Exp Res, 2011,Jun;35(6), 1067-1080
PubMed Central

2010
 

Cognitive performance in treatment-naive active alcoholics

Smith, S., Fein, G., Alcohol Clin Exp Res, 2010 Dec;34(12):2097-2105
PubMed Central

Neuropsychological performance of South African treatment-naive adolescents with alcohol dependence

Ferrett H. L., Carey, P. D., Thomas, K. G., Tapert, S. F.,Fein, G., Drug and Alcohol Depend, 2010 July 1;110(1-2):8-14
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Sensation seeking in long-term abstinent alcoholics, treatment-naive alcoholics and non-alcoholic controls

Fein, G., Di Sclafani, V., Finn, P, Alcohol Clin Exp Res, 2010 June;34(6):1045-1051
Pubmed Central

ERP and RT delays in long-term abstinent alcoholics in processing of emotional facial expressions during gender and emotion categorization tasks

Fein, G., Key, K., Szymanski, M, Alcohol Clin Exp Res, 2010 July;34(7):1127-1139
PubMed Central

Induced theta oscillations as biomarkers for alcoholism

Andrew, C. and G. Fein J Clin Neurophysiol, 2010 Mar;121(3):350-58
PubMed Central

Event-related oscillations versus event-related potentials in a P300 task as biomarkers for alcoholism

Andrew, C. and G. Fein, Alcohol Clin Exp Res, 2010 Apr 1;34(4):669-80
PubMed Central

Age-related gray matter shrinkage in a treatment naive actively drinking alcohol dependent sample

Fein, G., Shimotsu, R., and J. Barakos, Alcohol Clin Exp Res, 2010 Jan;34(1):175-82
PubMed Central

2009
 

Parietal gray matter volume loss is related to spatial processing deficits in long-term abstinent alcoholic men

Fein, G., Shimotsu, R., Chu R., and J. Barakos, Alcohol Clin Exp Res, 2009 Oct;33(10):1806-14
PubMed Central

Early adolescent development is impacted by heavy alcohol use: Preliminary evidence of grey matter changes using VBM

Fouche, J.P., Carey, P.D., Spottiswoode, B., Ferrett, H., Patenaude, B., Tapert, S., and G. Fein, Research Society of Alcoholism Conference 2009, San Diego, CA
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Psychiatric co-morbidity in Native Hawaiian and Pacific Islanders compared to other populations: Measurement and clinical issues

Fein, G. and V. Di Sclafani, Hawaii Addictions Conference/ AAPI Workgroup Scientific Conference, May 12, 2009, Honolulu, HI
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Greater than age-related decline in temporal and occipital cortices of methamphetamine users

Nakama, H., Shimotsu, R., Ernst, T., Fein, G., and L. Chang, International Society for Magnetic Resonance in Medicine 2009 Conference. April 22, 2009, Honolulu, HI
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Localized cortical gray matter loss in long-term abstinent alcoholics

Shimotsu, R. and G. Fein, International Society for Magnetic Resonance in Medicine 2009 Conference. April 22, 2009, Honolulu, HI
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Increased white matter signal hyperintensities in long-term abstinent alcoholics compared to non-alcoholic controls

Fein, G., Shimotsu, R., Di Sclafani, V., Barakos, J., and C. Harper, Alcohol Clin Exp Res, 2009, 33(1), 70-8
PubMed Central

 
2008
 

Psychiatric comorbidity in older long-term abstinent alcoholics

Fein, G., Di Sclafani, V., Finn, P., and R. Shumway, Addictive Behaviors, 2008, 33(12), 1564-71
PubMed Central

Treatment-naive active alcoholics have greater psychiatric comorbidity than normal controls but less than treated abstinent alcoholics

Di Sclafani V., Finn, P., and G. Fein, Drug and Alcohol Depend, 2008, 98(1-2), 115-22
PubMed Central

Smaller feedback ERN amplitudes during the BART are associated with a greater family history density of alcohol problems in treatment-naive alcoholics

Fein, G., and M. Chang, Drug Alcohol Depend, 2008, 92(1-3), 141-148
PubMed Central

 
2007
 

Cognitive performance in long-term abstinent elderly alcoholics

Fein, G., and S. McGillivray, Alcohol Clin Exp Res, 2007, 31(11), 1788-1799
PubMed Central

Psychiatric comorbidity in long-term abstinent alcoholics

Di Sclafani, V., Finn, P., and G. Fein, Alcohol Clin Exp Res, 2007, 31(5), 793-803
PubMed Central

Older adults make less advantageous decisions than younger adults: cognitive and psychological correlates

Fein, G., McGillivray, S., and P. Finn, J Int Neuropsychol Soc, 2007, 13(3), 480-489
PubMed Central

Sub-diagnostic psychiatric comorbidity in alcoholics

Fein, G., Di Sclafani, V., Finn, P., and D.L. Scheiner, Drug Alcohol Depend, 2007. 87(2-3): p.139-145
PubMed Central

2006
 

Visual P300s in long-term abstinent chronic alcoholics

Fein, G., and M. Chang, Alcohol Clin Exp Res, 2006. 30(12): p. 2000-2007
PubMed Central

Cognitive performance in long-term abstinent alcoholic individuals

Fein, G., Torres, J., Price, L.J., and V. Di Sclafani, Alcohol Clin Exp Res, 2006. 30(9): p.1-7
PubMed Central

Brain atrophy in long-term abstinent alcoholics who demonstrate impairment on a simulated gambling task

Fein, G., Landman, B., Tran, H., McGillvray, S., Finn, P., Barakos, J., and K. Moon, NeuroImage, 2006. 32(3): p.1465-71
PubMed Central

Statistical parametric mapping of brain morphology: sensitivity is dramatically increased by using brain-extracted images as inputs

Fein, G., Landman, B., Tran, H., Barakos, J., Moon, K., Di Sclafani, V., and R. Shumway, NeuroImage, 2006. 30(4): p.1187-1195
PubMed Central

Normal performance on a simulated gambling task in treatment-naive alcohol-dependent individuals

Fein, G., McGillivray, S., and P. Finn, Alcohol Clin Exp Res, 2006. 30(6): p.959-66
PubMed Central

 
2005
 

EEG spectral changes in treatment-naive, actively drinking alcoholics

Fein, G. and J. Allen, Alcohol Clin Exp Res, 2005. 29(4): p. 538-46
PubMed Central

Treated and treatment-naive alcoholics come from different populations

Fein, G. and B. Landman, Alcohol, 2005. 35(1): p. 19-26
PubMed Central

The pathophysiology of 'brain shrinkage' in alcoholics: structural and molecular changes and clinical implications

Harper, C., Matsumoto, I., Pfefferbaum, A., Adalsteinsson, E., Sullivan, E., Lewohl, J., Dodd, P., Taylor, M., Fein, G., and B. Landman, Alcohol Clin Exp Res, 2005. 29(6): p. 1106-1115
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2004
 

Mismatch negativity: no difference between controls and abstinent alcoholics

Fein, G., Whitlow, B., and P. Finn, Alcohol Clin Exp Res, 2004. 28(1): p. 137-42
PubMed Central

Cerebral reserve capacity: implications for alcohol and drug abuse

Fein, G. and V. Di Sclafani, Alcohol, 2004. 32(1): p. 63-7
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Controlling for premorbid brain size in imaging studies: T1-derived cranium scaling factor vs. T2-derived intracranial vault volume

Fein, G., Di Sclafani, V., Taylor, C.J., Moon, K., Barakos, J., Tran, H., Landman, B. and R. Shumway, Psychiatry Res, 2004. 131(2): p. 169-76
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Impairment on a simulated gambling task in long-term abstinent alcoholics

Fein, G., L. Klein, and P. Finn, Alcohol Clin Exp Res, 2004. 28(10): p. 1487-91
PubMed Central

Mismatch negativity: no difference between treatment-naive alcoholics and controls

Fein, G., S. McGillivray, and P. Finn, Alcohol Clin Exp Res, 2004. 28(12): p. 1861-6
PubMed Central

 
2002
 

Neuropsychological performance of individuals dependent on crack-cocaine, or crack-cocaine and alcohol, at 6 weeks and 6 months of abstinence

Di Sclafani, V., Tolou-Shams, M., Price, L.J., and G. Fein, Drug Alcohol Depend, 2002. 66(2): p. 161-71
PubMed Central

Cortical gray matter loss in treatment-naive alcohol dependent individuals

Fein, G., Di Sclafani, V., Cardenas, V.A., Goldmann, H., Tolou-Shams, M. and D.J. Meyerhoff, Alcohol Clin Exp Res, 2002. 26(4): p. 558-64
PubMed Central

Prefrontal cortical volume reduction associated with frontal cortex function deficit in 6-week abstinent crack-cocaine dependent men

Fein, G., V. Di Sclafani, and D.J. Meyerhoff, Drug Alcohol Depend, 2002. 68(1): p. 87-93
PubMed Central

Alpha2-noradrenergic effects on ERP and behavioral indices of auditory information processing

Turetsky, B.I. and G. Fein, Psychophysiology, 2002. 39(2): p. 147-57
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2001
 

Reliability of tissue volumes and their spatial distribution for segmented magnetic resonance images

Cardenas, V.A., Ezekiel, F., Di Sclafani, V., Gomberg, B. and G. Fein, Psychiatry Res, 2001. 106(3): p. 193-205
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Effects of chronic alcohol consumption on the broad phospholipid signal in human brain: an in vivo 31P MRS study

Estilaei, M.R., Matson, G.B., Payne, G.S., Leach, M.O., Fein, G. and D.J. Meyerhoff, Alcohol Clin Exp Res, 2001. 25(1): p. 89-97
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Effects of abstinence from alcohol on the broad phospholipid signal in human brain: an in vivo 31P magnetic resonance spectroscopy study

Estilaei, M.R., Matson, G.B., Payne, G.S., Leach, M.O., Fein, G. and D.J. Meyerhoff, Alcohol Clin Exp Res, 2001. 25(8): p. 1213-20
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2000
 

Subcortical ischemic vascular dementia: assessment with quantitative MR imaging and 1H MR spectroscopy

Capizzano, A.A., Schuff, N., Amend, D.L., Tanabe, J.L., Norman, D., Maudsley, A.A., Jagust, W., Chui, H. C., Fein, G., Segal, M.R. and M.W. Weiner, Am J Neuroradiol, 2000. 21(4): p. 621-30
PubMed Central

Hippocampal and cortical atrophy predict dementia in subcortical ischemic vascular disease

Fein, G., Di Sclafani, V., Tanabe, J.L., Cardenas, V.A., Weiner, M.W., Jagust, W.J., Reed, B.R., Norman, D., Schuff, N., Kusdra, L., Greenfield, T. and H. Chui, Neurology, 2000. 55(11): p. 1626-35
PubMed Central

Ethanol in human brain by magnetic resonance spectroscopy: correlation with blood and breath levels, relaxation, and magnetization transfer

Fein, G. and D.J. Meyerhoff, Alcohol Clin Exp Res, 2000. 24(8): p. 1227-35
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1999
 

Differential association of HIV-related neuropsychological impairment with semantic versus repetition priming

Jasiukaitis, P. and G. Fein, J Int Neuropsychol Soc, 1999. 5(5): p. 434-41
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Intact visual word priming in cocaine dependent subjects with and without cognitive deficit

Jasiukaitis, P. and G. Fein, Prog Neuropsychopharmacol Biol Psychiatry, 1999. 23(6): p. 1019-36
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Elevated subcortical choline metabolites in cognitively and clinically asymptomatic HIV+ patients

Meyerhoff, D.J., Bloomer, C., Cardenas, V., Norman, D., Weiner, M.W. and G. Fein, Neurology, 1999. 52(5): p. 995-1003
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Cortical metabolite alterations in abstinent cocaine and cocaine/alcohol-dependent subjects: proton magnetic resonance spectroscopic imaging

Meyerhoff, D.J., Bloomer, C.W., Schuff, N., Ezekiel, F., Norman, D., Clark, W., Weiner, M.W. and G. Fein, Addiction Biology, 1999. 4: p. 405-419
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Sensory gating in chronic posttraumatic stress disorder: reduced auditory P50 suppression in combat veterans

Neylan, T.C., Fletcher, D.J., Lenoci, M., McCallin, K., Weiss, D.S., Schoenfeld, F.B., Marmar, C.R. and G. Fein, Biol Psychiatry, 1999. 46(12): p. 1656-64
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Age-related metabolite changes and volume loss in the hippocampus by magnetic resonance spectroscopy and imaging

Schuff, N., Amend, D.L., Knowlton, R., Norman, D., Fein, G. and M.W. Weiner, Neurobiol Aging, 1999. 20(3): p. 279-85
PubMed Central

Magnetization transfer ratio of white matter hyperintensities in subcortical ischemic vascular dementia

Tanabe, J.L., Ezekiel, F., Jagust, W.J., Reed, B.R., Norman, D., Schuff, N., Weiner, M.W., Chui, H. and G. Fein, Am J Neuroradiol, 1999. 20(5): p. 839-44
PubMed Central

1998
 

Very late pain-related activity identified with topographically mapped frequency domain analysis of evoked potentials

Becker, D.E., Noss, R.S., Fein, G. and C.D. Yingling, Electroencephalogr Clin Neurophysiol, 1998. 108(4): p. 398-405
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Hippocampal neuronal dysfunction in schizophrenia as measured by proton magnetic resonance spectroscopy

Deicken, R.F., Zhou, L., Schuff, N., Fein, G. and M.W. Weiner, Biol Psychiatry, 1998. 43(7): p. 483-8
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Premorbid brain size is a determinant of functional reserve in abstinent crack-cocaine and crack-cocaine-alcohol-dependent adults

Di Sclafani, V., Clark, H.W., Tolou-Shams, M., Bloomer, C.W., Salas, G.A., Norman, D. and G. Fein, J Int Neuropsychol Soc, 1998. 4(6): p. 559-65
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Abstinent chronic crack-cocaine and crack-cocaine/alcohol abusers evidence normal hippocampal volumes on MRI despite persistent cognitive impairments

Di Sclafani, V., Truran, D., Bloomer, C., Tolou-Shams, M., Clark, H.W., Norman, D., Hannauer, D. and G. Fein, Addiction Biology, 1998. 3: p. 261-270
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Effect of chronic alcohol abuse on the CNS morbidity of HIV disease

Fein, G., Fletcher, D.J. and V. Di Sclafani, Alcohol Clin Exp Res, 1998. 22(5 Suppl): p. 196S-200S
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Alzheimer disease: quantitative H-1 MR spectroscopic imaging of frontoparietal brain

Schuff, N., Amend, D.L., Meyerhoff, D.J., Tanabe, J.L., Norman, D., Fein, G. and M.W. Weiner, Radiology, 1998. 207(1): p. 91-102
PubMed Central

1997
 

Event-related potential evidence for frontal cortex effects of chronic cocaine dependence

Biggins, C.A., MacKay, S., Clark, W. and G. Fein Biol Psychiatry, 1997. 42(6): p. 472-85,
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Human P50 suppression is not affected by variations in wakeful alertness

Cardenas, V.A., Gill, P. and G. Fein, Biol Psychiatry, 1997. 41(8): p. 891-901

A comparison of the repetitive click and conditioning-testing P50 paradigms

Cardenas, V.A., McCallin, K., Hopkins, R. and G. Fein, Electroencephalogr Clin Neurophysiol, 1997. 104(2): p. 157-64
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Computerized assessment of arithmetic computation skills with MicroCog

Devivo, K., Rothland, J., Price, L. and G. Fein, J Int Neuropsychol Soc, 1997. 3(2): p. 199-200; author reply 200
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Brain atrophy in HIV infection is more strongly associated with CDC clinical stage than with cognitive impairment

Di Sclafani, V., Mackay, R.D., Meyerhoff, D.J., Norman, D., Weiner, M.W. and G. Fein, J Int Neuropsychol Soc, 1997. 3(3): p. 276-87
PubMed Central

Alzheimer disease: quantitative H-1 MR spectroscopic imaging of frontoparietal brain

Schuff, N., Amend, D.L., Meyerhoff, D.J., Tanabe, J.L., Norman, D., Fein, G. and M.W. Weiner, Radiology, 1998. 207(1): p. 91-102
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Temporal lobe epilepsy: bilateral hippocampal metabolite changes revealed at proton MR spectroscopic imaging

Ende, G.R., Laxer, K.D., Knowlton, R.C., Matson, G.B., Schuff, N., Fein, G. and M.W. Weiner, Radiology, 1997. 202(3): p. 809-17
PubMed Central

Intra-hemispheric alpha coherence decreases with increasing cognitive impairment in HIV patients

Fletcher, D.J., J. Raz, and G. Fein, Electroencephalogr Clin Neurophysiol, 1997. 102(4): p. 286-94
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Presurgical multimodality neuroimaging in electroencephalographic lateralized temporal lobe epilepsy

Knowlton, R.C., Laxer, K.D., Ende, G., Hawkins, R.A., Wong, S.T., Matson, G.B., Rowley, H. A., Fein, G. and M.W. Weiner, Ann Neurol, 1997. 42(6): p. 829-37
PubMed Central

P50 event-related brain potential amplitude and suppression measurements recorded with subjects seated versus supine

McCallin, K., V.A. Cardenas, and G. Fein, Biol Psychiatry, 1997. 41(8): p. 902-5
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Semantic priming impairment in HIV

Nielsen-Bohlman, L., Boyle, D., Biggins, C., Ezekiel, F. and G. Fein, Int Neuropsychol Soc, 1997. 3(4): p. 348-58
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Sensory gating deficit following cocaine exposure in the rat

Salamy, A., M. Salfi, and G. Fein, Neuropsychobiology, 1997. 36(2): p. 83-6
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Changes of hippocampal N-acetyl aspartate and volume in Alzheimer's disease. A proton MR spectroscopic imaging and MRI study

Schuff, N., Amend, D., Ezekiel, F., Steinman, S.K., Tanabe, J., Norman, D., Jagust, W., Kramer, J. H., Mastrianni, J. A., Fein, G. and M.W. Weiner, Neurology, 1997. 49(6): p. 1513-21
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Reduced hippocampal volume and n-acetyl aspartate in posttraumatic stress disorder

Schuff, N., Marmar, C.R., Weiss, D.S., Neylan, T.C., Schoenfeld, F., Fein, G. and M.W. Weiner, Ann N Y Acad Sci, 1997. 821: p. 516-20

Tissue segmentation of the brain in Alzheimer disease

Tanabe, J.L., Amend, D., Schuff, N., DiSclafani, V., Ezekiel, F., Norman, D., Fein, G. and M.W. Weiner, AJNR Am J Neuroradiol, 1997. 18(1): p. 115-23

Volumetric method for evaluating magnetization transfer ratio of tissue categories: application to areas of white matter signal hyperintensity in the elderly

Tanabe, J.L., Ezekiel, F., Jagust, W.J., Schuff, N. and G. Fein, Radiology, 1997. 204(2): p. 570-5
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1996
 

Cocaine abusers have reduced auditory P50 amplitude and suppression compared to both normal controls and alcoholics

Fein, G., C. Biggins, and S. MacKay, Biol Psychiatry, 1996. 39(11): p. 955-65
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Alzheimer disease and subcortical ischemic vascular dementia: evaluation by combining MR imaging segmentation and H-1 MR spectroscopic imaging

MacKay, S., Ezekiel, F., Di Sclafani, V., Meyerhoff, D.J., Gerson, J., Norman, D., Fein, G. and M.W. Weiner, Radiology, 1996. 198(2): p. 537-45
PubMed Central

Regional gray and white matter metabolite differences in subjects with AD, with subcortical ischemic vascular dementia, and elderly controls with 1H magnetic resonance spectroscopic imaging

MacKay, S., Meyerhoff, D.J., Constans, J.M., Norman, D., Fein, G. and M.W. Weiner, Arch Neurol, 1996. 53(2): p. 167-74
PubMed Central

Deep gray matter structures in HIV infection: a proton MR spectroscopic study

Meyerhoff, D.J., M.W. Weiner, and G. Fein, AJNR Am J Neuroradiol, 1996. 17(5): p. 973-8
PubMed Central

Do semantic priming effects correlate with sensory gating in schizophrenia?

Vinogradov, S., Solomon, S., Ober, B.A., Biggins, C.A., Shenaut, G.K. and G. Fein, Biol Psychiatry, 1996. 39(9): p. 821-4
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1995
 

Dreaming in the late morning: summation of REM and diurnal cortical activation

Antrobus, J., Kondo, T., Reinsel, R. and G. Fein, Conscious Cogn, 1995. 4(3): p. 275-99
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Delayed P3A in abstinent elderly male chronic alcoholics

Biggins, C.A., MacKay, S., Poole, N. and G. Fein, Alcohol Clin Exp Res, 1995. 19(4): p. 1032-42

A multichannel, model-free method for estimation of event-related potential amplitudes and its comparison with dipole source localization

Cardenas, V.A., Yingling, C.D., Jewett, D. and G. Fein, J Med Eng Technol, 1995. 19(2-3): p. 88-98
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H-1 MR spectroscopic imaging of white matter signal hyperintensities: Alzheimer disease and ischemic vascular dementia

Constans, J.M., Meyerhoff, D.J., Gerson, J., MacKay, S., Norman, D., Fein, G. and M.W. Weiner, Radiology, 1995. 197(2): p. 517-23
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1H and 31P magnetic resonance spectroscopic imaging of white matter signal hyperintensity areas in elderly subjects

Constans, J.M., Meyerhoff, D.J., Norman, D., Fein, G. and M.W. Weiner, Neuroradiology, 1995. 37(8): p. 615-23
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Basal ganglia phosphorous metabolism in chronic schizophrenia

Deicken, R.F., Calabrese, G., Merrin, E.L., Fein, G., and M.W. Weiner, Am J Psychiatry, 1995. 152(1): p. 126-9
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Asymmetry of temporal lobe phosphorous metabolism in schizophrenia: a 31phosphorous magnetic resonance spectroscopic imaging study

Deicken, R.F., Calabrese, G., Merrin, E.L., Vinogradov, S., Fein, G. and M.W. Weiner, Biol Psychiatry, 1995. 38(5): p. 279-86
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Abnormal frontal lobe phosphorous metabolism in bipolar disorder

Deicken, R.F., G. Fein, and M.W. Weiner, Am J Psychiatry, 1995. 152(6): p. 915-8
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Decreased temporal lobe phosphomonoesters in bipolar disorder

Deicken, R.F., M.W. Weiner, and G. Fein, J Affect Disord, 1995. 33(3): p. 195-9
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Brain atrophy and cognitive function in older abstinent alcoholic men

Di Sclafani, V., Ezekiel, F., Meyerhoff, D.J., MacKay, S., Dillon, W.P., Weiner, M.W. and G. Fein, Alcohol Clin Exp Res, 1995. 19(5): p. 1121-6

Alcohol abuse and HIV infection have additive effects on frontal cortex function as measured by auditory evoked potential P3A latency

Fein, G., C.A. Biggins, and S. MacKay, Biol Psychiatry, 1995. 37(3): p. 183-95
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Delayed latency of the event-related brain potential P3A component in HIV disease. Progressive effects with increasing cognitive impairment

Fein, G., C.A. Biggins, and S. MacKay, Arch Neurol, 1995. 52(11): p. 1109-18
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Improved method for computation of potentials in a realistic head shape model

Fletcher, D.J., Amir, A., Jewett, D.L. and G. Fein, IEEE Trans Biomed Eng, 1995. 42(11): p. 1094-104
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Combining MRI Segmentation and 1H MR spectroscopic imaging in the study of Alzheimer’s disease, subcortical ischemic vascular dementia and elderly controls

MacKay, S., Ezekiel, F., Di Sclafani, V., Gerson, J., Meyerhoff, D., Norman, D., Fein, G., Weiner, M., Radiology, 198:537-545

Effects of chronic alcohol abuse and HIV infection on brain phosphorus metabolites

Meyerhoff, D.J., MacKay, S., Sappey-Marinier, D., Deicken, R., Calabrese, G., Dillon, W.P., Weiner, M.W. and G. Fein, Alcohol Clin Exp Res, 1995. 19(3): p. 685-92
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1994
 

Phosphorus magnetic resonance spectroscopy of the frontal and parietal lobes in chronic schizophrenia

Deicken, R.F., Calabrese, G., Merrin, E.L., Meyerhoff, D.J., Dillon, W.P., Weiner, M.W. and G. Fein, Biol Psychiatry, 1994. 36(8): p. 503-10
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The auditory P50 response is normal in Alzheimer's disease when measured via a paired click paradigm

Fein, G., C. Biggins, and C. van Dyke, Electroencephalogr Clin Neurophysiol, 1994. 92(6): p. 536-45

H magnetic resonance spectroscopic imaging separates neuronal from glial changes in alcohol-related brain atrophy

Fein, G., Meyerhoff, D., Di Sclafani, V., Ezekiel, F., Poole, N., MacKay, S., Dillon, W. Constans, J, Weiner, M. 1994, Chapter in NIAA Research Monograph No. 27/Alcohol and Glial Cells, 227-241

Equivalent dipole parameter estimation using simulated annealing

Gerson, J., V.A. Cardenas, and G. Fein, Electroencephalogr Clin Neurophysiol, 1994. 92(2): p. 161-8

Biochemical alterations in multiple sclerosis lesions and normal-appearing white matter detected by in vivo 31P and 1H spectroscopic imaging

Husted, C.A., Goodin, D.S., Hugg, J.W., Maudsley, A.A., Tsuruda, J.S., de Bie, S.H., Fein, G., Matson, G.B. and M.W. Weiner, Ann Neurol, 1994. 36(2): p. 157-65
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Axonal injury and membrane alterations in Alzheimer's disease suggested by in vivo proton magnetic resonance spectroscopic imaging

Meyerhoff, D.J., MacKay, S., Constans, J.M., Norman, D., Van Dyke, C., Fein, G. and M.W. Weiner, Ann Neurol, 1994. 36(1): p. 40-7
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N-acetylaspartate reductions measured by 1H MRSI in cognitively impaired HIV-seropositive individuals

Meyerhoff, D.J., MacKay, S., Poole, N., Dillon, W.P., Weiner, M.W. and G. Fein, Magn Reson Imaging, 1994. 12(4): p. 653-9
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1993
 

Identification of pain, intensity and P300 components in the pain evoked potential

Becker, D.E., C.D. Yingling, and G. Fein, Electroencephalogr Clin Neurophysiol, 1993. 88(4): p. 290-301

The reliability of P50 suppression as measured by the conditioning/testing ratio is vastly improved by dipole modeling

Cardenas, V.A., J. Gerson, and G. Fein, Biol Psychiatry, 1993. 33(5): p. 335-44
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Reduced brain N-acetylaspartate suggests neuronal loss in cognitively impaired human immunodeficiency virus-seropositive individuals: in vivo 1H magnetic resonance spectroscopic imaging

Meyerhoff, D.J., MacKay, S., Bachman, L., Poole, N., Dillon, W.P., Weiner, M.W. and G. Fein, Neurology, 1993. 43(3 Pt 1): p. 509-15
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Axonal injury and membrane alterations in Alzheimer's disease suggested by in vivo proton magnetic resonance spectroscopic imaging

Meyerhoff, D.J., MacKay, S., Constans, J.M., Norman, D., Van Dyke, C., Fein, G. and M.W. Weiner, Ann Neurol, 1994. 36(1): p. 40-7
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Frequency domain dipole localization: extensions of the method and applications to auditory and visual evoked potentials

Raz, J., Biggins, C.A., Turetsky, B. and G. Fein, IEEE Trans Biomed Eng, 1993. 40(9): p. 909-18
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1992
 

Spline computation of scalp current density and coherence: a reply to Perrin

Biggins, C.A., Ezekiel, F. and G. Fein, Clin.Neurophysiol., 1992. 83: 172-174. Corrigendum EEG 02274. Electroenceph
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Phosphorus magnetic resonance spectroscopy of the temporal lobes in schizophrenia

Calabrese, G., Deicken, R.F., Fein, G., Merrin, E.L., Schoenfeld, F. and M.W. Weiner, Biol Psychiatry, 1992. 32(1): p. 26-32
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A 31phosphorous magnetic resonance spectroscopy study of diazepam does not affect brain phosphorous metabolism

Deicken, R.F., Calabrese, G., Raz, J., Sappey-Marinier, D., Meyerhoff, D., Dillon, W.P., Weiner, M.W. and G. Fein, Biol Psychiatry, 1992. 32(7): p. 628-31
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EEG spectra in dyslexic and normal readers during oral and silent reading

Galin, D., Raz, J., Fein, G., Johnstone, J., Herron, J. and C. Yingling, Electroencephalogr Clin Neurophysiol, 1992. 82(2): p. 87-101
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P50 suppression is not affected by attentional manipulations

Jerger, K., C. Biggins, and G. Fein, Biol Psychiatry, 1992. 31(4): p. 365-77
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Effect of photic stimulation on human visual cortex lactate and phosphates using 1H and 31P magnetic resonance spectroscopy

Sappey-Marinier, D., Calabrese, G., Fein, G., Hugg, J. W., Biggins, C. and M.W. Weiner, J Cereb Blood Flow Metab, 1992. 12(4): p. 584-92
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Proton magnetic resonance spectroscopy of human brain: applications to normal white matter, chronic infarction, and MRI white matter signal hyperintensities

Sappey-Marinier, D., Calabrese, G., Hetherington, H.P., Fisher, S.N., Deicken, R., Van Dyke, C., Fein, G., and M.W. Weiner, Magn Reson Med, 1992. 26(2): p. 313-27
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Alterations in brain phosphorus metabolite concentrations associated with areas of high signal intensity in white matter at MR imaging

Sappey-Marinier, D., Deicken, R.F., Fein, G., Calabrese, G., Hubesch, B., Van Dyke, C., Dillon, W.P., Davenport, L., Meyerhoff, D.J. and M.W. Weiner, Radiology, 1992. 183(1): p. 247-56
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1991
 

Artifactually high coherences result from using spherical spline computation of scalp current density

Biggins, C.A., Fein, G., Raz, J. and A. Amir, Electroencephalogr Clin Neurophysiol, 1991. 79(5): p. 413-9
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Alterations in brain phosphate metabolite concentrations in patients with human immunodeficiency virus infection

Deicken, R.F., Hubesch, B., Jensen, P.C., Sappey-Marinier, D., Krell, P., Wisniewski, A., Vanderburg, D., Parks, R., Fein, G. and M.W. Weiner, Arch Neurol, 1991. 48(2): p. 203-9.
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Partitioning of deep versus superficial intracranial sources using current source densities is not valid

Turetsky, B.I. and G. Fein, Brain Topogr, 1991. 3(3): p 373-9
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1990
 

The cerebral laterality of mental image generation in normal subjects

Biggins, C.A., B. Turetsky, and G. Fein, Psychophysiology. 1990. 27(1): p. 57-67
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Cognitive impairments in abstinent alcoholics

Fein, G., Bachman, L., Fisher, S. and L. Davenport, West J Med, 1990. 152(5): p. 531-7
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Preservation of normal cognitive functioning in elderly subjects with extensive white-matter lesions of long duration

Fein, G., Van Dyke, C., Davenport, L., Turetsky, B., Brant-Zawadzki, M., Zatz, L., Dillon, W. and P. Valk, Arch Gen Psychiatry, 1990. 47(3): p. 220-3

A double-blind study of symptom provocation to determine food sensitivity

Jewett, D.L., G. Fein, and M.H. Greenberg, N Engl J Med, 1990. 323(7): p. 429-33
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Representation of multi-channel evoked potential data using a dipole component model of intracranial generators: application to the auditory P300

Turetsky, B., J. Raz, and G. Fein, 1990. 76(6): p. 540-56
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1989
 

P300 latency variability in normal elderly: effects of paradigm and measurement technique

Fein, G. and B. Turetsky, Electroencephalogr Clin Neurophysiol, 1989. 72(5): p. 384-94
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A comment on the CDC study of nonsexual household transmission of AIDS and on Cameron's correction to that study

Hauck, W.W., G. Fein, and J.M. Neuhaus, Psychol Rep, 1989. 64(2): p. 486
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Short-term outpatient therapy groups for schizophrenics

Kanas, N., Deri, J., Ketter, T. and G. Fein, Int J Group Psychother, 1989. 39(4): p. 517-22

EEG coherence in unmedicated schizophrenic patients

Merrin, E.L., T.C. Floyd, and G. Fein, Biol Psychiatry, 1989. 25(1): p. 60-6
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Selecting the smoothing parameter for estimation of slowly changing evoked potential signals

Raz, J., B. Turetsky, and G. Fein, Biometrics, 1989. 45(3): p. 745-62
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Estimation of trial-to-trial variation in evoked potential signals by smoothing across trials

Turetsky, B.I., J. Raz, and G. Fein, Psychophysiology, 1989. 26(6): p. 700-12
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1988
 

Common reference coherence data are confounded by power and phase effects

Fein, G., Raz, J., Brown, F.F. and E.L. Merrin, Electroencephalogr Clin Neurophysiol, 1988. 69(6): p. 581-4
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Yingling, EEG alpha asymmetry in dyslexics during speaking and block design tasks

Galin, D., Herron, J., Johnstone, J., Fein, G. and C.D, Brain Lang, 1988. 35(2): p. 241-53
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Task-related EEG alpha asymmetry in schizophrenic patients prior to and after neuroleptic treatment

Merrin, E.L., T.C. Floyd, and G. Fein, Schizophr Res, 1988. 1(4): p. 283-93
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Confidence intervals for the signal-to-noise ratio when a signal embedded in noise is observed over repeated trials

Raz, J., B. Turetsky, and G. Fein, IEEE Trans Biomed Eng, 1988. 35(8): p. 646-9
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Noise and signal power and their effects on evoked potential estimation

Turetsky, B.I., J. Raz, and G. Fein, Electroencephalogr Clin Neurophysiol, 1988. 71(4): p. 310-8
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1987
 

Gender differences in pattern reversal evoked potentials in normal elderly

Fein, G. and F.F. Brown, Psychophysiology, 1987. 24(6): p. 683-90
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Contralateral visual masking may be an artifact

Fein, G. and F.F. Brown, J Clin Exp Neuropsychol, 1987. 9(2): p. 172-9
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Memory deficits associated with clonidine

Fein, G., Merrin, E.L., Davenport, L. and J.C. Buffum, Gen Hosp Psychiatry, 1987. 9(2): p. 154-5
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1986
 

Narrative speech deficits in dyslexics

Davenport, L., Yingling, C.D., Fein, G., Galin, D. and J. Johnstone, J Clin Exp Neuropsychol, 1986. 8(4): p. 347-61
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EEG spectra in dyslexic and control boys during resting conditions

Fein, G., Galin, D., Yingling, C.D., Johnstone, J., Davenport, L. and J. Herron, Electroencephalogr Clin Neurophysiol, 1986. 63(2): p. 87-97

EEG asymmetry in schizophrenic patients before and during neuroleptic treatment

Merrin, E.L., Fein, G., Floyd, T.C. and C.D. Yingling, Biol Psychiatry, 1986. 21(5-6): p. 455-64
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Neurometrics does not detect 'pure' dyslexics

Yingling, C.D., Galin, D., Fein, G., Peltzman, D. and L. Davenport
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1985
 

MR imaging of the aging brain: patchy white-matter lesions and dementia

Brant-Zawadzki, M., Fein, G., Van Dyke, C., Kiernan, R., Davenport, L. and J. de Groot, AJNR Am J Neuroradiol, 1985. 6(5): p. 675-82
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Sleep mentation in the elderly

Fein, G., Feinberg, I., Insel, T.R., Antrobus, J.S., Price, L.J., Floyd, T.C. and M.A. Nelson, Psychophysiology, 1985. 22(2): p. 218-25
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1984
 

EEG spectra in 9-13-year-old boys are stable over 1-3 years

Fein, G., Galin, D., Yingling, C.D., Johnstone, J. and M.A. Nelson, Electroencephalogr Clin Neurophysiol, 1984. 58(6): p. 517-8
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Log amplitude is a linear function of log frequency in NREM sleep eeg of young and elderly normal subjects

Feinberg, I., March, J.D., Fein, G. and M.J. Aminoff, Electroencephalogr Clin Neurophysiol, 1984. 58(2): p. 158-60
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Regional brain activity in dyslexic and control children during reading tasks: visual probe event-related potentials

Johnstone, J., Galin, D., Fein, G., Yingling, C.D., Herron, J. and M. Marcus, Brain Lang, 1984. 21(2): p. 233-54
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1983
 

EEG power spectra in normal and dyslexic children. I. Reliability during passive conditions

Fein, G., Galin, D., Johnstone, J., Yingling, C.D., Marcus, M. and M.E. Kiersch, Electroencephalogr Clin Neurophysiol, 1983. 55(4): p. 399-405
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A canine model of acute coronary artery stenosis: effects of deliberate hypotension

Hickey, R.F., Verrier, E.D., Baer, R.W., Vlahakes, G.J., Fein, G. and J.I. Hoffman, Anesthesiology, 1983. 59(3): p. 226-36

1981
 

Computer measures of sleep EEG reliably sort visual stage 2 epochs by NREM period of origin

Fein, G., T.C. Floyd, and I. Feinberg, Psychophysiology, 1981. 18(6): p. 686-93
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1980
 

Comprehensive viral immunology of multiple sclerosis. II. Analysis of serum and CSF antibodies by standard serologic methods

Cremer, N.E., Johnson, K.P., Fein, G. and W.H. Likosky, Arch Neurol, 1980. 37(10): p. 610-5
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Period and amplitude analysis of NREM EEG in sleep: repeatability of results in young adults

Feinberg, I., Fein, G. and T.C. Floyd, Electroencephalogr Clin Neurophysiol, 1980. 48(2): p. 212-21

EEG patterns during and following extended sleep in young adults

Feinberg, I., Fein, G. and T.C. Floyd, Electroencephalogr Clin Neurophysiol, 1980. 50(5-6): p. 467-76
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Comprehensive viral immunology of multiple sclerosis. III. Analysis of CSF antibodies by radioimmunoassay

Forghani, B., Cremer, N.E., Johnson, K.P., Fein, G. and W.H. Likosky, Arch Neurol, 1980. 37(10): p. 616-9

Comprehensive viral immunology of multiple sclerosis. I. Clinical, epidemiological, and CSF studies

Johnson, K P., Likosky, W.H., Nelson, B.J. and G. Fein, Arch Neurol, 1980. 37(9): p. 537-41
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1979
 

Cytotoxic antibody to cells infected with measles virus in serum and cerebrospinal fluid of multiple sclerosis and control patients

Cremer, N.E., Johnson, K.P., Fein, G. and W.H. Likosky, J Clin Microbiol, 1979. 9(6): p. 716-2
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An optical scan system for encoding and tabulation of visually scored sleep data

Fein, G. and I. Feinberg, Electroencephalogr Clin Neurophysiol, 1979. 46(6): p. 727-30
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Flurazepam effects on sleep EEG. Visual, computer, and cycle analysis

Feinberg, I., Fein, G., Walker, J.M., Price, L.J., Floyd, T.C. and J.D. March, Arch Gen Psychiatry, 1979. 36(1): p. 95-102
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1978
 

Period and amplitude analysis of 0.5-3 c/sec activity in NREM sleep of young adults

Feinberg, I., March, J.D., Fein, G., Floyd, T.C., Walker, J.M. and L. Price, Electroencephalogr Clin Neurophysiol, 1978. 44(2): p. 202-13

Effects of exercise on sleep

Walker, J.M., Floyd, T.C., Fein, G., Cavness, C., Lualhati, R. and I. Feinburg, J Appl Physiol, 1978. 44(6): p. 945-51
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1977
 

Flurazepam effects on slow-wave sleep: stage 4 suppressed but number of delta waves constant

Feinberg, I., Fein, G., Walker, J.M., Price, L.J., Floyd, T.C. and J.D. March, Science, 1977. 198(4319): p. 847-8
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1975
 

The "double-collar" technique for EEG electrode preparation and placement

Fein, G., A. Frosch, and A. Borroni, Psychophysiology, 1975. 12(4): p. 480-1
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