Research Topics
| George FeinSummaryAffiliation: Neurobehavioral Research Country: USA Publications
Research Grants
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Detail Information
Publications
Age-related gray matter shrinkage in a treatment naïve actively drinking alcohol-dependent sampleGeorge Fein
Neurobehavioral Research, Inc, Honolulu, Hawaii
Alcohol Clin Exp Res 34:175-82. 2010....
Antisocial symptoms decrease to normal levels in long-term abstinenceGeorge Fein
Neurobehavioral Research, Inc, Honolulu, Hawaii 96814, USA
Alcohol Clin Exp Res 37:E271-80. 2013..Current antisocial symptoms were reduced to subdiagnostic levels in long-term abstinence; however, the number of current symptoms was not measured beyond its being subdiagnostic...
Gait and balance deficits in chronic alcoholics: no improvement from 10 weeks through 1 year abstinenceGeorge Fein
Neurobehavioral Research Inc, Honolulu, HI 96814, USA
Alcohol Clin Exp Res 37:86-95. 2013..We present longitudinal data on recovery of gait and balance in alcoholics 6 to 15 weeks abstinent at baseline assessment through follow-up assessment 4 to 16 months after baseline...
Gait and balance in treatment-naïve active alcoholics with and without a lifetime drug codependenceGeorge Fein
Neurobehavioral Research, Inc, Honolulu, Hawaii 96814, USA
Alcohol Clin Exp Res 36:1550-62. 2012..In addition, few studies have addressed the associations of codependence on other drugs with alcoholic gait and balance disturbance...
Borderline personality symptoms in short-term and long-term abstinent alcohol dependenceGeorge Fein
Neurobehavioral Research, Inc, Honolulu, HI 96814, USA
Alcohol Clin Exp Res 36:1188-95. 2012..The literature suggests a negative synergy between BPD and SUDs, which may impact an individual's ability to achieve and maintain remission of either disorder in the face of the other...
Growth and weight status in treatment-naïve 12-16 year old adolescents with alcohol use disorders in Cape Town, South AfricaCeleste E Naude
Division of Human Nutrition, Stellenbosch University, South Africa
Nutr J 10:87. 2011..The consequences of heavy alcohol use during adolescence on nutritional status, specifically growth and weight status are largely unknown at this time...
Psychiatric comorbidity in older long-term abstinent alcoholicsGeorge Fein
Neurobehavioral Research, Inc, 2800 Woodlawn DR Ste 129, Honolulu, HI 96822 1862, USA
Addict Behav 33:1564-71. 2008..We compared these findings with our previously reported results in analogous middle-aged samples (MAA versus MNC)...
Cognitive performance in long-term abstinent elderly alcoholicsGeorge Fein
Neurobehavioral Research, Inc, Corte Madera, California 94925, and Honolulu, Hawaii, USA
Alcohol Clin Exp Res 31:1788-99. 2007..However, there is still a dearth of published findings on cognitive functioning in very long-term abstinence alcoholics, especially in the elderly population...
Smaller feedback ERN amplitudes during the BART are associated with a greater family history density of alcohol problems in treatment-naïve alcoholicsGeorge Fein
Neurobehavioral Research, Inc, 201 Tamal Vista Boulevard, Corte Madera, CA 94925 1110, USA
Drug Alcohol Depend 92:141-8. 2008..We recorded F-ERNs during the BART and during a BART simulation, where individuals observed the rewards and consequences of (someone else's) BART performance...
Older adults make less advantageous decisions than younger adults: cognitive and psychological correlatesGeorge Fein
Neurobehavioral Research, Inc, Corte Madera, California 94925, USA
J Int Neuropsychol Soc 13:480-9. 2007..Performance on the IGT was positively associated with auditory working memory and psychomotor function in young adults, and in immediate memory in older adults...
Increased white matter signal hyperintensities in long-term abstinent alcoholics compared with nonalcoholic controlsGeorge Fein
Neurobehavioral Research, Inc, Honolulu, HI 96822 1862, USA
Alcohol Clin Exp Res 33:70-8. 2009..We hypothesized that such effects would persist into long-term abstinence, and evaluated them in middle-aged long-term abstinent alcoholics (LTAA) compared with age and gender comparable nonalcoholic controls (NAC)...
Parietal gray matter volume loss is related to spatial processing deficits in long-term abstinent alcoholic menGeorge Fein
Neurobehavioral Research, Inc, Honolulu, Hawaii 96814, USA
Alcohol Clin Exp Res 33:1806-14. 2009..2006)...
Sensation seeking in long-term abstinent alcoholics, treatment-naïve active alcoholics, and nonalcoholic controlsGeorge Fein
Neurobehavioral Research, Inc, Honolulu, Hawaii 96814, USA
Alcohol Clin Exp Res 34:1045-51. 2010..In the current study, we examine sensation seeking in middle-aged long-term abstinent alcoholics (LTAA) and in younger actively drinking treatment-naïve alcoholics (TxN)...
ERP and RT delays in long-term abstinent alcoholics in processing of emotional facial expressions during gender and emotion categorization tasksGeorge Fein
Neurobehavioral Research Inc, Berkeley, California, USA
Alcohol Clin Exp Res 34:1127-39. 2010..There is considerable evidence that alcoholics differ from nonalcoholics in the processing of stimuli that have emotional content. The current study examines those differences that are present in multi-year abstinent individuals...
Event-related potentials during visual target detection in treatment-naïve active alcoholicsGeorge Fein
Neurobehavioral Research Inc, 1585 Kapiolani Blvd, Honolulu, HI 96814, USA
Alcohol Clin Exp Res 35:1171-9. 2011..We studied visual target detection in a treatment-naïve alcohol-dependent sample (TNAD) versus age and gender comparable nonalcoholic controls (NAC) to investigate whether reduced P3 amplitudes generalize to TNAD...
Visual P300s in long-term abstinent chronic alcoholicsGeorge Fein
Neurobehavioral Research Inc, Corte Madera, California 94925, USA
Alcohol Clin Exp Res 30:2000-7. 2006..This study examines the amplitude and latency of the P3b and P3a event-related brain electrical components in LTAAs compared with normal controls (NCs) and whether these measures are related to alcohol use and other subject variables...
Sub-diagnostic psychiatric comorbidity in alcoholicsGeorge Fein
Neurobehavioral Research, Inc, 201 Tamal Vista Boulevard, Corte Madera, CA 94925 1110, USA
Drug Alcohol Depend 87:139-45. 2007....
Cognitive performance in long-term abstinent alcoholic individualsGeorge Fein
Neurobehavioral Research Inc, Corte Madera, California 94925, USA
Alcohol Clin Exp Res 30:1538-44. 2006..We examined the association of neurocognitive variables with age, duration of abstinence, alcohol use measures, and the density of a family history of problem drinking...
Treated and treatment-naive alcoholics come from different populationsGeorge Fein
Neurobehavioral Research, Inc, Corte Madera, CA 94925, USA
Alcohol 36:19-26. 2005..This finding supports the suggestion that results from studies of alcoholics in treatment or after treatment (i.e., most studies of alcoholics) cannot be generalized to untreated individuals (who make up the majority of alcoholics)...
Prefrontal cortical volume reduction associated with frontal cortex function deficit in 6-week abstinent crack-cocaine dependent menGeorge Fein
Neurobehavioral Research Inc, 201 Tamal Vista Boulevard, Corte Madera, CA 94925, USA
Drug Alcohol Depend 68:87-93. 2002..Our goal was to test the a priori hypothesis of prefrontal cortical volume reduction, along with associated impairments in frontal mediated functions, and to look for differences between the Cr and CrA groups...
Mismatch negativity: no difference between controls and abstinent alcoholicsGeorge Fein
Neurobehavioral Research, Inc, Corte Madera, CA, USA
Alcohol Clin Exp Res 28:137-42. 2004..This study examined the association of MMN with alcoholism family history density, with indices of the presence and severity of externalizing disorders (a risk-factor for alcoholism), and with alcohol use variables...
Cerebral reserve capacity: implications for alcohol and drug abuseGeorge Fein
Neurobehavioral Research Inc, 201 Tamal Vista Boulevard, Corte Madera, CA 94925, USA
Alcohol 32:63-7. 2004..Finally, we comment on the most important public health implication of the cerebral reserve capacity model (vis-à-vis addiction)...
Controlling for premorbid brain size in imaging studies: T1-derived cranium scaling factor vs. T2-derived intracranial vault volumeGeorge Fein
Neurobehavioral Research, Inc, 201 Tamal Vista Boulevard, Corte Madera, CA 94925, USA
Psychiatry Res 131:169-76. 2004..Furthermore, neither race, sex, nor age accounted for any additional variance in ICV, indicating that neither race-, gender-, nor age-associated cranial bone thickness effects were present in this data set...
Impairment on a simulated gambling task in long-term abstinent alcoholicsG Fein
Neurobehavioral Research, Inc, Corte Madera, California 94925, USA
Alcohol Clin Exp Res 28:1487-91. 2004..This study expands on the current literature by using the SGT to examine decision making in long-term abstinent alcoholics (mean of 6.6 years' abstinence) who do not have antisocial personality disorder or a history of conduct disorder...
Mismatch negativity: no difference between treatment-naive alcoholics and controlsGeorge Fein
Neurobehavioral Research, Inc, 201 Tamal Vista Blvd, Corte Madera, CA 94925, USA
Alcohol Clin Exp Res 28:1861-6. 2004..This study examined MMN in actively drinking treatment-naive alcohol-dependent individuals. This study examined the association of MMN with risk factors for alcoholism, postalcohol withdrawal hyperexcitability, and alcohol use variables...
EEG spectral changes in treatment-naive, actively drinking alcoholicsGeorge Fein
Neurobehavioral Research, Inc, Corte Madera, California 94925, USA
Alcohol Clin Exp Res 29:538-46. 2005..The current study examines the EEG spectra of actively drinking, treatment-naive alcoholics (TxNAs)...
Treated and treatment-naive alcoholics come from different populationsGeorge Fein
Neurobehavioral Research, Inc, Corte Madera, CA 94925, USA
Alcohol 35:19-26. 2005..This finding supports the suggestion that results from studies of alcoholics in treatment or after treatment (i.e., most studies of alcoholics) cannot be generalized to untreated individuals (who make up the majority of alcoholics)...
Normal performance on a simulated gambling task in treatment-naive alcohol-dependent individualsGeorge Fein
Neurobehavioral Research, Inc, Corte Madera, California 94925, USA
Alcohol Clin Exp Res 30:959-66. 2006..This study examines decision making on the SGT in young adults with alcohol dependence who are treatment-naive (TxN)...
Brain atrophy in long-term abstinent alcoholics who demonstrate impairment on a simulated gambling taskGeorge Fein
Neurobehavioral Research Inc, 201 Tamal Vista Boulevard, Corte Madera, CA 94925, USA
Neuroimage 32:1465-71. 2006..Without both of these methodological advances, no statistically significant finding would have been forthcoming from this work...
Statistical parametric mapping of brain morphology: sensitivity is dramatically increased by using brain-extracted images as inputsGeorge Fein
Neurobehavioral Research, Inc, 201 Tamal Vista Blvd, Corte Madera, CA 94925, USA
Neuroimage 30:1187-95. 2006..We show how this reduction in the RMSEs profoundly affects power analyses. SPM2 analyses of brain-extracted images may require sample sizes only half as great as analyses of non-brain-extracted images...
Psychiatric comorbidity in long-term abstinent alcoholic individualsVictoria Di Sclafani
Neurobehavioral Research Inc, Corte Madera, California 94925, USA
Alcohol Clin Exp Res 31:795-803. 2007..e., comparable with NC) and (2) can ongoing abstinence be maintained in the face of a current psychiatric disorder?..
Neuropsychological performance of individuals dependent on crack-cocaine, or crack-cocaine and alcohol, at 6 weeks and 6 months of abstinenceVictoria Di Sclafani
Neurobehavioral Research Inc, 201 Tamal Vista Boulevard, Corte Madera, CA 94925, USA
Drug Alcohol Depend 66:161-71. 2002..The strongest predictor of brain damage associated with substance dependence in this sample was dose (particularly quantity and duration of peak dose)...
Treatment-naive active alcoholics have greater psychiatric comorbidity than normal controls but less than treated abstinent alcoholicsVictoria Di Sclafani
Neurobehavioral Research, Inc, 2800 Woodlawn Drive, Suite 129, Honolulu, HI 96822, USA
Drug Alcohol Depend 98:115-22. 2008..We compared untreated versus treated alcoholics, in order to ascertain whether both groups belonged to the same population with regard to psychiatric comorbidity...
Event-related oscillations versus event-related potentials in a P300 task as biomarkers for alcoholismColin Andrew
Neurobehavioral Research Inc, Honolulu, Hawaii 96814, USA
Alcohol Clin Exp Res 34:669-80. 2010..This study examines this question in a group of long-term abstinent alcoholics (LTAAs)...
Persistent but less severe ataxia in long-term versus short-term abstinent alcoholic men and women: a cross-sectional analysisSTAN SMITH
Neurobehavioral Research, Inc, Honolulu, Hawaii 96814, USA
Alcohol Clin Exp Res 35:2184-92. 2011..However, abstinence durations reported have been limited, and their power and generalizability have suffered from small sample sizes...
Cognitive performance in treatment-naïve active alcoholicsSTAN SMITH
Neurobehavioral Research, Inc, Honolulu, Hawaii 96814, USA
Alcohol Clin Exp Res 34:2097-105. 2010..In addition, a goal of the present study was to assess potential differential effects of alcohol dependence on cognitive performance in TNAD men and women...
Subcortical volumes in long-term abstinent alcoholics: associations with psychiatric comorbidityMohammad Sameti
Neurobehavioral Research, Inc, 1585 Kapiolani Blvd, Honolulu, HI 96814, USA
Alcohol Clin Exp Res 35:1067-80. 2011..Most studies have focused on active or recently detoxified alcoholics, while subcortical structures in long-term abstinent alcoholics (LTAA) have remained relatively uninvestigated...
Methamphetamine users show greater than normal age-related cortical gray matter lossHelenna Nakama
University of Hawaii, John A Burns School of Medicine, Department of Psychiatry, Honolulu, HI 96813, USA
Addiction 106:1474-83. 2011..Methamphetamine (Meth) abuse continues to be a major illicit drug of abuse. Neuroimaging findings suggest that Meth is neurotoxic and may alter various brain structures, but the effect of Meth on the aging brain has not been studied...
Age effect on subcortical structures in healthy adultsMatt Goodro
Neurobehavioral Research, Inc, 1585 Kapiolani Blvd, Ste 1030, Honolulu, HI 96814, USA
Psychiatry Res 203:38-45. 2012..This agreement lends support to the validity of the image-analysis tools and procedures used in the present study...
Induced theta oscillations as biomarkers for alcoholismColin Andrew
Neurobehavioral Research Inc, Honolulu, HI 96814, USA
Clin Neurophysiol 121:350-8. 2010..This study investigates the discriminatory power of non-phase-locked oscillations in a group of long-term abstinent alcoholics (LTAAs) and non-alcoholic controls (NACs)...
N400 event-related potential reduction indexes: early central nervous system impairment in HIVLynn Nielsen-Bohlman
Department of Psychiatry, Vanderbilt University, 1500 21st Avenue South, Suite 1100, Nashville, TN 37212, USA
J NeuroAIDS 2:51-65. 2002....
Alpha2-noradrenergic effects on ERP and behavioral indices of auditory information processingBruce I Turetsky
Department of Cognitive Science, University of California, San Diego, La Jolla 92093 0515, USA
Psychophysiology 39:147-57. 2002..Our results offer a possible link between these two sets of findings, suggesting that some patients with schizophrenia may have dysfunctional noradrenergic systems...
Research Grants
- Effects of heavy alcohol abuse on adolescent brain structure and functionGeorge Fein; Fiscal Year: 2007..We will be uniquely able to isolate the effects of AUDs on brain structure and function in adolescence. ..
- Effects of heavy alcohol abuse on adolescent brain structure and functionGeorge Fein; Fiscal Year: 2009..We will be uniquely able to isolate the effects of AUDs on brain structure and function in adolescence. ..
- Brain Morbidity in Treatment-Naive AlcoholicsGeorge Fein; Fiscal Year: 2009..Since most studies of alcoholism in the U.S. use convenience samples of alcoholics in treatment (a minority of all alcoholics), the proposed studies are essential to understand the impact of AD on the US population. ..
- Long-Term Abstinence Clinical Issues and CNS DisinhibitionGeorge Fein; Fiscal Year: 2009..which represent selection variables determining which individuals are able to achieve long-term abstinence. ..
- Effects of heavy alcohol abuse on adolescent brain structure and functionGeorge Fein; Fiscal Year: 2010..We will be uniquely able to isolate the effects of AUDs on brain structure and function in adolescence. ..
- Long-Term Abstinence Clinical Issues and CNS DisinhibitionGeorge Fein; Fiscal Year: 2010..It is only by understanding the successes in dealing with chronic alcoholism among treated samples with significant comorbidity that society will be able to make significant progress in facilitating such successes in the future. ..
- Brain Morbidity in Treatment-Naive AlcoholicsGeorge Fein; Fiscal Year: 2006..abstract_text> ..
- EFFECTS OF ALCOHOL ABUSE ON THE AGING BRAINGeorge Fein; Fiscal Year: 2004..g., brain "functional reserve," presence of the APOE-epsilon4 allele) that may modulate the effects of chronic alcohol abuse/dependence and age on brain structure and function. ..
- CHRONIC COCAINE ABUSE EFFECTS ON P50 AND P3A ERPSGeorge Fein; Fiscal Year: 2001..Finally, samples of active cocaine abusers will be studied. ..
- CORE--CLINICALGeorge Fein; Fiscal Year: 2002..The Core will be responsible for a CSF substudy comparing viral load and anti-viral drug levels in CSF versus blood. . The Core will be responsible for data management and design and coordination of statistical analyses across the PPG. ..
- Brain Morbidity in Treatment-Naive AlcoholicsGeorge Fein; Fiscal Year: 2010..Since most studies of alcoholism in the U.S. use convenience samples of alcoholics in treatment (a minority of all alcoholics), the proposed studies are essential to understand the impact of AD on the US population. ..
