Ronald Cohen, Ph.D., ABPP

Professor and Director, Clinical Translational Research in Cognitive Aging and Memory





Center for Cognitive Aging and Memory

Curriculum Vitae


  • Ph.D. Clinical Psychology, Louisiana State University
  • Clinical Internship, University of California Los Angeles, Clinical Psychology
  • Clinical Fellowship, University of Florida, Neuropsychology
  • B.Sc. Psychology, Tulane University

Research Focus

Clinical and Experimental Neuropsychology; Cognitive and clinical neuroscience; Neuropsychology of attention; Attention and memory; Anterior cingulate cortex, Short-duration timing; Reward systems and their influence on attention and other cognitive functions; Neuroimaging; Age-associated cognitive and brain dysfunction, Neurodegenerative disorders (e.g., Alzheimer’s disease, vascular dementia, MCI); HIV-associated neurocognitive dysfunction, Cardiovascular-associated brain dysfunction; Biomarker discovery.

Key Publications

Devlin, K, Gogvatana A, Clark U, Chassman J, Navia B, Tashima K, Cohen, RA. (2012). Neurocognitive effects of HIV, Hepatitis C, and substance use history. J Int Neuropsychol Soc.18(1):68-78. PMID:22132928  PubMed – in process.

Alosco ML, Spitznagel MB, Cohen R, et al. (2012). Cognitive Impairment Is Independently Associated With Reduced Instrumental Activities of Daily Living in Persons With Heart Failure. J Cardiovasc Nurs. May 9. 27(1):44-50. PMC 3175008.

Alosco, M. L.Spitznagel, M. B.Raz, N.Cohen, R. Sweet, L. H.van Dulmen, M.Colbert, L. H.Josephson, R.Waechter, D.Hughes, J.Rosneck, J.Gunstad, J.(2012). Cognitive reserve moderates the association between heart failure and cognitive impairment. J Clin Exp Neuropsychol, 34(1):1-10.

Knecht KM, Alosco ML, Spitznagel MB, Cohen R, et al. Gunstad J et al. Sleep Apnea and Cognitive Function in Heart Failure. Cardiovasc Psychiatry Neurol. 2012;2012: PMID: 22745901.

Alosco ML, Spitznagel MB, van Dulmen M, Raz N, Cohen R, Gunstad J. The additive effects of type-2 diabetes on cognitive function in older adults with heart failure. Cardiol Res Pract. 2012; PMID: 22701196.

Keary TA, Gunstad J, Benitez A, Spitznagel MB, McCaffery J, McGeary JE, Poppas A, Paul RH, Sweet LH, Cohen RATCF7L2 polymorphism and cognitive test performance in cardiovascular disease. Psychogeriatrics. 2012 Jun;12(2):93-8.

Miller LA, Spitznagel MB, Alosco ML, Cohen RA, Sweet LH, Josephson R, Hughes J, Gunstad J.Cognitive profiles in heart failure: a cluster analytic approach.  J Clin Exp Neuropsychol. 2012; 34(5):509-20. PMID: 22375800.

Galioto R, Spitznagel MB, Strain G, Devlin M, Cohen R, Paul R, Crosby RD, Mitchell JE, Gunstad J. Cognitive function in morbidly obese individuals with and without binge eating disorder. Compr Psychiatry. 2012 Jul;53(5):490-5. Epub 2011 Oct 28.

Hassenstab JJ, Sweet LH, Del Parigi A, McCaffery JM, Haley AP, Demos KE, Cohen RA, Wing RR. Cortical thickness of the cognitive control network in obesity and successful weight loss maintenance: A preliminary MRI study.Psychiatry Res. 2012 Apr 30;202(1):77-9. Epub 2012 May 16. PMID: 22595506

Sweet LH, Hassenstab JJ, McCaffery JM, Raynor HA, Bond DS, Demos KE, Haley AP, Cohen RA, Del Parigi A, Wing RR. Brain response to food stimulation in obese, normal weight, and successful weight loss maintainers. Obesity (Silver Spring). 2012 May 9. Epub ahead of print] PMID: 22569002.

Clark US, Cohen RA, Sweet LH, Gongvatana A, Devlin KN, Hana GN, Westbrook ML, Mulligan RC, Jerskey BA, White TL, Navia B, Tashima KT. Effects of HIV and Early Life Stress on Amygdala Morphometry and Neurocognitive Function. J Int Neuropsychol Soc. 2012:1-12. PMID: 22621973.

Miller LA, Gunstad J, Spitznagel MB, McCaffery J, McGeary J, Poppas A, Paul RH, Sweet LH, Cohen,RACAMTA1 T polymorphism is associated with neuropsychological test performance in older adults with cardiovascular disease. sychogeriatrics. 2011;11(3):135-40. PMID: 21951953

Spitznagel MB, Garcia S, Miller LA, Strain G, Devlin M, Wing R, Cohen R, Paul R, Crosby R, Mitchell JE, et al.  Cognitive function predicts weight loss after bariatric surgery. Surg Obes Relat Dis. 2011 Oct 29. [Epub ahead of print]  PMID:  22133580.

Garcia S, Spitznagel MB, Cohen R, Gunstad J et al. Depression is associated with cognitive dysfunction in older adults with heart failure.  Cardiovasc Psychiatry Neurol.2011;2011:  PMID: 22195274.

Okonkwo OC, Cohen RA, Gunstad J, Poppas A. (2011).  Cardiac Output, Blood Pressure Variability, and Cognitive Decline in Geriatric Cardiac Patients. J Cardiopulm Rehabil Prev. Jun 23 2011. [31(5):290-7. PMC 3171573.

Gongvatana, A, Cohen RA, Correia S, Devlin KN, Miles, J, Kang H, Ombao H, Navia B, Laidlaw DH,  Tashima K. (in press). Clinical contributors to cerebral white matter integrity in HIV-infected individuals. J Neurovirol. 17(5):477-86. PMID:21965122. Pubmed-in process.

Tate DF, Sampat M, Harezlak J, Cohen RA, Guttmann CR, Navia B. (2011). Regional areas and widths of the midsagittal  corpus callosum among HIV-infected patients on stable antiretroviral therapies.for the HIV Neuroimaging Consortium.J Neurovirol. 17(4):368-79. PMID:21556960.

Liu JCohen RAGongvatana ASheinkopf SJLester BM. (2011). Impact of Prenatal Exposure to Cocaine and Tobacco on Diffusion Tensor Imaging and Sensation Seeking in Adolescents. J Pediatr.159(5):771-5. PMID:21723565.

Gunstad J, Strain G, Devlin MJ, et al. (2011). Improved memory function 12 weeks after bariatric surgery. Surg Obes Relat Dis. Jul-Aug 7(4):465-472.  PMC 3117085.

Bunea F, She Y, Ombao H, Gongvatana A, Devlin K, Cohen R.(2011).  Penalized least squares regression methods and applications to neuroimaging. Neuroimage. Apr 15;55(4):1519-1527. PMID:21167288.

Lane EM, Paul RH, Moser DJ, Fletcher TD, Cohen RA. (2011). Influence of Education on Subcortical Hyperintensities and Global Cognitive Status in Vascular  Dementia..J Int Neuropsychol Soc. Mar 9:1-6. PMID:21385518.

Stanek KM, Grieve SM, Brickman AM, Korgaonkar MS, Paul RH, Cohen RA, Gunstad JJ. (2011). Obesity is associated with reduced white matter integrity in otherwise healthy adults. Obesity(Silver Spring). Mar;19(3):500-4. PMID:21183934.

Tate DF, Conley J, Paul RH, et al. Quantitative diffusion tensor imaging tractography metrics are associated with cognitive performance among HIV-infected patients. Brain Imaging Behav. Mar 2010;4(1):68-79. PMC 2909656.

Cohen RA, de la Monte S, Gongvatana A, et al. (2011). Plasma cytokine concentrations associated with HIV/hepatitis C coinfection are related to attention, executive and psychomotor functioning. J Neuroimmunol. Apr;233(1-2):204-210. PMC 3074016.

Harezlak J, Buchthal S, Taylor M, et al. (2011). Persistence of HIV-associated cognitive impairment, inflammation, and neuronal injury in era of highly active antiretroviral treatment. AIDS. Mar 13;25(5):625-633. PMID: 21297425.

Jefferson AL, Holland CM, Tate DF, et al. (2011). Atlas-derived perfusion correlates of white matterhyperintensities in patients with reduced cardiac output. Neurobiol Aging. Jan;32(1):133-139. PMC 889176.

Phelan S, Hassenstab J, McCaffery JM, Sweet L, Raynor HA, Cohen RA, Wing RR. (2011). Cognitive interference from food cues in weight loss maintainers, normal weight, and obese individuals. Obesity (Silver Spring). Jan;19(1):69-73. PMID:0539296.

Tate DF, Conley J, Paul RH, et al. (2010). Quantitative diffusion tensor imaging tractography metrics are associated with cognitive performance among HIV-infected patients. Brain Imaging Behav. Mar 4(1):68-79. PMC 2909656.

 Clark USCohen RA.(2010).  Brain dysfunction in the era of combination antiretroviral therapy: implications for the treatment of the aging population of HIV-infected individuals. Curr Opin Investig Drugs. Aug;11(8):884-900. PMID: 20721831.

Clark USCohen RAWestbrook MLDevlin KNTashima KT. (2010). Facial emotion recognition impairments in individuals with HIV. Int Neuropsychol Soc. Nov;16(6):1127-37. PMC 3070304.

Cohen RAHarezlak JGongvatana ABuchthal SSchifitto GClark UPaul RTaylor MThompson PTate DAlger JBrown MZhong JCampbell TSinger EDaar EMcMahon DTso YYiannoutsos CTNavia B; (2010). Cerebral metabolite abnormalities in human immunodeficiency virus are associated with cortical and subcortical volumes. Nov;16 J Neurovirol.6:435-44. PMID:20961212.

Cohen RA, Gongvatana A. (2010). The persistence of HIV-associated neurocognitive dysfunction and the effects of comorbidities. Neurology. Dec 7 ;75(23):2052-2053.  PMID:21135377.

Hoth KF, Poppas A, Ellison KE, et al. (2010). Link between change in cognition and left ventricular function following cardiac resynchronization therapy. J Cardiopulm Rehabil Prev. Nov-Dec;30(6):401-408. PMC 2978265.

Sweet LH, Vanderhill SD, Jerskey BA, Gordon NM, Paul RH, Cohen RA. (2010). Subvocal articulatory rehearsal during verbal working memory in multiple sclerosis. Neurocase. Oct;16(5):418-425. PMID:20401804.

Hitsman B, Shen BJ, Cohen RA, et al. (2010). Measuring smoking-related preoccupation and compulsive drive: evaluation of the obsessive compulsive smoking scale. Psychopharmacology (Berl). 211(4):377-87. PMC 2908436.

Dewey J, Hana G, Russell T, Cohen, RA  et al. (2010). Reliability and validity of MRI-based automated volumetry software relative to auto-assisted manual measurement of subcortical structures in HIV-infected patients from a multisite study. Neuroimage. 51(4):1334-1344. PMC 2884380

Paskavitz JF, Sweet LH, Wellen J, Helmer KG, Rao SM, Cohen RA.  (2010).Recruitment and stabilization of brain activation within a working memory task; an FMRI study. Brain Imaging Behav.4(1):5-21. PMID: 20503110.

Sweet LH, Mulligan RC, Finnerty CE, Cohen, RA et al. (2010).Effects of nicotine withdrawal on verbal working memory and associated brain response. Psychiatry Res. 183(1):69-74. PMC 2913712.

Jefferson AL, Holland CM, Tate DF, Cohen, RA et al.(2010).  Atlas-derived perfusion correlates of whitematter hyperintensities in patients with reduced cardiac output. Neurobiol Aging. PMC 2889176.

Cohen RA, Harezlak J, Schifitto G, et al. (2010). Effects of nadir CD4 count and duration of human immunodeficiency virus infection on brain volumes in the highly active antiretroviral therapy era. J Neurovirol.16(1):25-32. PMC 2995252.

Ott BR, Cohen RA, Gongvatana A, et al. (2010). Brain ventricular volume and cerebrospinal fluid biomarkers of Alzheimer’s disease. J Alzheimers Dis.20(2):647-657. PMC 3078034.

Okonkwo OC, Cohen RA Gunstad J, Tremont G, Alosco ML, Poppas A. (2010). Longitudinal trajectories  of cognitive decline among older adults with cardiovascular disease Cerebrovascular Disease. 30(4):362-373. PMC 3014862.

Cohen RA, Gongvatana A. (2009). HIV-associated brain dysfunction in the era of HAART: reasons for hope, but continued concern. Neurology. Aug 4;73(5):338-339. PMID:19553591.

Cohen RA, Poppas A, Forman DE, Hoth KF, Haley AP, Gunstad J, Jefferson AL, Tate DF, Paul RH, Sweet LH, Ono M, Jerskey BA, Gerhard-Herman M. (2009). Vascular and cognitive functions associated with cardiovascular disease in the elderly. J Clin Exp Neuropsychol, 31:96-110. PMC 2739675.

Holland D, Brewer JB, Hagler DJ, Cohen, RA et al. (2009).Subregional neuroanatomical change as a biomarker for Alzheimer’s disease. Proc Natl Acad Sci U S A. 6(49):20954-20959. PMC 2791580.

Gunstad J, Benitez A, Hoth KF, Cohen, RA et al. (2009). P-selectin 1087G/A polymorphism is associated with neuropsychological test performance in older adults with cardiovascular disease. Stroke.40(9):2969 2972. PMC 2752956.

Gunstad J, Keary TA, Spitznagel MB, Cohen, RA et al. (2009). Blood pressure and cognitive function in older adults with cardiovascular disease. Int J Neurosci. 119(12):2228-2242. PMC 2899480.

Haley AP, Hoth KF, Gunstad J, Cohen RA et al. (2009). Subjective cognitive complaints relate to white matter hyperintensities and future cognitive decline in patients with cardiovascular disease. Am J Geriatr Psychiatry. 7(11):976-985. PMC 2813459

Irani F, Sweet LH, Haley AP, Gunstad JJ, Jerskey BA, Mulligan RC, Jefferson AL, Poppas A, Cohen RA.(2009). A fMRI Study of Verbal Working Memory, Cardiac Output, and Ejection Fraction in Elderly             Patients with Cardiovascular Disease Brain Imaging Behav. 3(4):350-357.

Jerskey BA, Cohen RA, Jefferson AL, Hoth KF, Haley AP, Gunstad JJ, Forman DE, Sweet LH, Poppas A. (2009.Sustained attention is associated with left ventricular ejection fraction in older adults with heart disease. J Int Neuropsychol Soc. 15(1):137-141. PMC 2719846

McCaffery JM, Haley AP, Sweet LH, Cohen, RA et al. (2009). Differential functional magnetic resonance imaging response to food pictures in successful weight-loss maintainers relative to normal-weight and obese controls. Am J Clin Nutr. 90(4):928-934. PMC 2744621

Stanek KM, Gunstad J, Paul RH, Cohen, RA et al. (2009). Longitudinal cognitive performance in older adults with cardiovascular disease: evidence for improvement in heart failure. J Cardiovasc Nurs. 24(3):192-197. PMC 2700621

Forman DE, Cohen RA, Hoth KF, et al. Vascular Health and Cognitive Function in Older Adults with Cardiovascular Disease. Artery Res. Feb 1 2008;2(1):35-43. PMC 3004172.

Sweet LH, Paskavitz JF, Haley AP, Gunstad JJ, Mulligan RC, Nyalakanti PK, Cohen RA. (2008). Imaging phonological similarity effects on verbal working memory. Neuropsychologia46:1114-1123. PMID:18155074.

Paul RH, Grieve SM, Niaura R, David SP, Laidlaw DH, Cohen RA, Sweet L, Taylor G, Clark RC, Pogun           S, Gordon E. (2008). Chronic cigarette smoking and the microstructural integrity of white matter in healthy adults: Aiffusion tensor imaging study. Nicotine Tob Res 10(1):137-47. PMC 2276564.

Gunstad J, Spitznagel MB, Paul RH, Cohen RA, Kohn M, Luyster FS, Clark R, Williams LM, Gordon E. 2(2008). Body mass index and neuropsychological function in healthy children and adolescents. Appetite50:246-251. PMID: 17761359.

Stopa EG, Butala P, Salloway S, Johanson CE, Gonzalez L, Tavares R, Hovanesian V, Hulette CM, Vitek MP,Cohen RA.(2008). Cerebral Cortical Arteriolar Angiopathy, Vascular Beta-Amyloid, Smooth Muscle Actin, Braak Stage, and APOE Genotype. Stroke,39(3):814-21. PMID:18258839.

Paul RH, Ernst T, Brickman AM, Yiannoutsos CT, Tate DF, Cohen RA, Navia BA. (2008). Relative sensitivity of magnetic resonance spectroscopy and quantitative magnetic resonance imaging to cognitive function among nondemented individuals infected with hiv. J Int Neuropsychol Soc14:725-733. PMID:18764968.

Hoth KF, Haley AP, Gunstad J, Paul RH, Poppas A, Jefferson AL, Tate DF, Ono M, Jerskey BA, Cohen RA. (2008). Elevated c-reactive protein is related to cognitive decline in older adults with cardiovascular disease. J Am Geriatr Soc.56:1898-1903. PMC 2704859.

Haley AP, Gunstad JJ, Cohen RAJerskey BA, Mulligan RC,  Sweet LH. (2008). Neural Correlates       Of Visuospatial Working Memory in Healthy Young Adults at Risk for HypertensionBrain Imaging and Behavior, 2(3), 192-199.

Tate DF,  Jefferson AL, Brickman A, Hoth KF, Gunstad JJ, Kathryn Bramley K, Paul RH, Poppas A, Cohen RA. (2008). Regional White Matter Signal Abnormalities and Cognitive Correlates Among Geriatric Patients with Treated Cardiovascular Disease. Brain Imaging and Behavior, 2(3), 200-206. PMC 2753539

Gunstad J, Paul RH, Cohen RA, Tate DF. (2008). Spitznagel MB, Grieve S, Gordon E. Relationship between body mass index and brain volume in healthy adults. Int J Neurosci118:1582-1593. PIMD:18853335.


Hoth K, Poppas A, Moser DJ, Paul RH, Cohen RA. (2008). Cardiac dysfunction and cognition in older adults with Heart failure. Cogn Behav Neurol. 21(2):65-72.PMID:18541980.

Haley AP, Forman DE, Poppas A, Hoth KF, Gunstad J, Jefferson AL, Paul RH, Ler AS, Sweet LH, Cohen RA (2007). Carotid artery intima-media thickness and cognition in cardiovascular disease.Int J Cardiol.121(2):148-54. PMC 2042538.

Keary TAGunstad JPoppas APaul RHJefferson ALHoth KFSweet LHForman DECohen RA. (2007). Blood pressure variability and dementia rating scale performance in older adults with cardiovascular disease. Cogn Behav Neurol. 20(1):73-7. PMID:17356348.

Gunstad J, Spitznagel MB, Luyster F, Cohen RA, Paul RH.(2007). Handeness and cognition across the health lifespan. Int J Neurosci. 117(4):477-85. PMID:17365130.

Jefferson ALTate DFPoppas ABrickman AMPaul RHGunstad JCohen RA.(2007). Lower cardiac output is associated with greater white matter hyperintensities in older adults with cardiovascular disease. J Am Geriatr Soc. 55(7):1044-8.  PMC 2721459

Jefferson, A.L., A. Poppas, R.H. Paul, and Cohen RA. (2007).  Systemic hypoperfusion is associated with executive dysfunction in geriatric cardiac patients. Neurobiol Aging, 28(3):477-83  PMC 2741683.

David SP, Munafo MR, Johansen-Berg H, Mackillop J, Sweet LH, Cohen RA, Niaura R, Rogers RD, Matthews PM, Walton RT. (2007). Effects of acute nicotine abstinence on cue-elicited ventral striatum/nucleus accumbens activation in female cigarette smokers: A functional magnetic resonance imaging study. Brain Imaging Behav. 1:43-57. PMC 2367252.

Hoth KF, Tate DF, Poppas A, Forman DE, Gunstad J, Moser DJ, Paul RH, Jefferson AL, Haley AP, Cohen RA. (2007). Endothelial function and white matter hyperintensities in older adults with cardiovascular disease. Stroke 38(2):308-12.  PMC 2748266

Cohen RA. (2007). Hypertension and cerebral blood flow: Implications for the development of vascular cognitive impairment in the elderly. Stroke.38:1715-1717. PMID:17510446.


Paul RH, Yiannoutsos CT, Miller EN, Chang L, Marra CM, Schifitto G, Ernst T, Singer E, Richards T, Jarvik GJ, Price R, Meyerhoff DJ, Kolson D, Ellis RJ, Gonzalez G, Lenkinski RE, Cohen RA, Navia BA. (2007). Proton MRS And neuropsychological correlates in AIDS dementia complex: evidence of subcortical specificity. The Journal of neuropsychiatry and clinical neurosciences,19(3):283-92. PMID:17827413.

Gunstad JCohen RAPaul RHTate DFHoth KFPoppas A.(2006). Understanding reported cognitive dysfunction in older adults with cardiovascular disease. Neuropsychiatr Dis Treat. 2(2):213-8. PMC 2671782

Hoth KFPaul RHWilliams LMDobson-Stone CTodd ESchofield PRGunstad JCohen RAGordon E.(2006).Associations between the COMT Val/Met polymorphism, early life stress, and personality among healthy adults. Neuropsychiatr Dis Treat. 2(2):219-25. PMC 2671786

Brickman, A.M., M.E. Zimmerman, R.H. Paul, S.M. Grieve, D.F. Tate, Cohen RA, L.M. Williams, C.R.Clark, and E. Gordon. (2006). Regional white matter and neuropsychological functioning across the adult lifespan. BiolPsychiatry, 60(5): 444-53. PMID:16616725.

Cohen RA., R.H. Paul, L. Stroud, J. Gunstad, B.L. Hitsman, J. McCaffery, L. Sweet, R. Niaura, A. MacFarlane, R.A. Bryant, and E. Gordon. (2006).  Early life stress and adult emotional experience: an international perspective. Int J Psychiatry Med, 36(1): 35-52. PMID:16927577.

Cohen RA., S. Grieve, K.F. Hoth, R.H. Paul, L. Sweet, D. Tate, J. Gunstad, L. Stroud, J. McCaffery, B. Hitsman, R. Niaura, C.R. Clark, A. MacFarlane, R. Bryant, E. Gordon, and L.M. Williams. (2006).  Early life stress and morphometry of the adult anterior cingulate cortex and caudate nuclei. Biol Psychiatry, 59(10), 975-82. PMID:16616722.

Gunstad, J., A. Poppas, S. Smeal, R.H. Paul, D.F. Tate, A.L. Jefferson, D.E. Forman, and Cohen RA. (2006). Relation of brain natriuretic peptide levels to cognitive dysfunction in adults > 55 years of age with cardiovascular disease. Am J Cardiol, 98(4), 538-40. PMC 2748274

Gunstad, J., R.A. Cohen RA. Paul, and E. Gordon. (2006). Dissociation of the component processes of attention in healthy adults. Arch Clin Neuropsychol, 21(7), 645-50. PMID: 16887323.

Gunstad, J., R.H. Paul, Cohen RA, D.F. Tate, and E. Gordon. (2006).  Obesity is associated with memory deficits in young and middle-aged adults. Eat Weight Disord, 11(1), e15-9.PMID: 16801734.

Gunstad, J., L. Bausserman, R.H. Paul, D.F. Tate, K. Hoth, A. Poppas, A.L. Jefferson, and Cohen RA. (2006). C reactive protein, but not homocysteine, is related to cognitive dysfunction in older adults with cardiovascular disease. J Clin Neurosci, 13(5), 540-6. PMC 2748307

Gunstad, J., R.H. Paul, M.B. Spitznagel, R.A. Cohen, L.M. Williams, M. Kohn, and E. Gordon. (2006).  Exposure to early life trauma is associated with adult obesity. Psychiatry Res, 142(1), 31-7. PMID:16713630.

Gunstad, J., P. Schofield, R.H. Paul, M.B. Spitznagel, Cohen RA, L.M. Williams, M. Kohn, and E. Gordon.(2006).  BDNF Val66Met polymorphism is associated with body mass index in healthy adults.Neuropsychobiology, 53(3):153-6. PMID: 16707914.

Gunstad, J., R.H. Paul, A.M. Brickman, Cohen RA, M. Arns, D. Roe, J.J. Lawrence, and E. Gordon. (2006). Patterns of cognitive performance in middle-aged and older adults: A cluster analytic examination. J Geriatr Psychiatry Neurol, 19(2),  59-64. PMID:16690989.

Gunstad, J., Cohen RA, R.H. Paul, F.S. Luyster, and E. Gordon. (2006).  Age effects in time estimation: relationship to frontal brain morphometry. J Integr Neurosci, 5(1), 75-87.PMID: 16544367.

Jefferson, A.L., D. Cahn-Weiner, P. Boyle, R.H. Paul, D.J. Moser, N. Gordon, Cohen RA. (2006).  Cognitive predictors of functional decline in vascular dementia. Int J Geriatr Psychiatry, 21(8), 752-4. PMC 2746410.

Jefferson, A.L., R.H. Paul, A. Ozonoff, and Cohen RA. (2006).  Evaluating elements of executive functioning as predictors of instrumental activities of daily living (IADLs). Arch Clin Neuropsychol, 21(4): 311-20. PMC 2746400.

Paul, R.H., A.M. Brickman, Cohen RA, L.M. Williams, R. Niaura, S. Pogun, C.R. Clark, J. Gunstad, and E.Gordon. (2006).  Cognitive status of young and older cigarette smokers: data from the international brain database. J Clin Neurosci, 13(4), 457-65.PMID:16678725.

Sweet, L.H., S.M. Rao, M. Primeau, S. Durgerian, and Cohen RA. (2006).  Functional magnetic resonance imaging response to increased verbal working memory demands among patients with multiple sclerosis. Hum Brain Mapp, 27(1): 28-36. PMID:16001441.

Zimmerman, M.E., A.M. Brickman, R.H. Paul, S.M. Grieve, D.F. Tate, J. Gunstad, Cohen RA, M.S. Aloia, L.M.Williams, C.R. Clark, T.J. Whitford, and E. Gordon. (2006). The Relationship Between Frontal Gray Matter Volume and Cognition Varies Across the Healthy Adult Lifespan. Am J Geriatr Psychiatry, 14(10): 823-833. PMID:17001022.

Brickman, A.M., R.H. Paul, Cohen RA, L.M. Williams, K.L. MacGregor, A.L. Jefferson, D.F. Tate, J. Gunstad,and E. Gordon. (2005). Category and letter verbal fluency across the adult lifespan: relationship to EEG theta power. Arch Clin Neuropsychol, 20(5),  561-73. PMC 2758771

Gunstad, J., Cohen RA, D.F. Tate, R.H. Paul, A. Poppas, K. Hoth, K.L. Macgregor, and A.L. Jefferson. (2005). Blood pressure variability and white matter hyperintensities in older adults with cardiovascular disease. Blood Press,14(6),353-8. PMC 3215278.

Gunstad, J., K.L. Macgregor, R.H. Paul, A. Poppas, A.L. Jefferson, J.F. Todaro, and Cohen RA. (2005). Cardiac rehabilitation improves cognitive performance in older adults with cardiovascular disease. J Cardiopulm Rehabil, 25(3),173-6. PMC 3226758.

Gunstad, J., A.M. Brickman, R.H. Paul, J. Browndyke, D.J. Moser, B.R. Ott, N. Gordon, O.  Haque, and Cohen RA. (2005). Progressive morphometric and cognitive changes in vascular dementia. ArchClin Neuropsychol, 20(2), 229-41. PMID:15708732.

Paul, R.H., C.R. Clark, J. Lawrence, E. Goldberg, L.M. Williams, N. Cooper, Cohen RA, A.M. Brickman, and E.Gordon, (2005). Age-dependent change in executive function and gamma 40 Hz phase synchrony. J Integr  Neurosci,4(1), 63-76. PMID:16035141.

Paul, R.H., J. Gunstad, A. Poppas, D.F. Tate, D. Foreman, A.M. Brickman, A.L. Jefferson, K. Hoth, and Cohen RA. (2005).  Neuroimaging and cardiac correlates of cognitive function among patients with cardiac disease. Cerebrovasc Dis 20(2), 129-33. PMC 3222237.

Paul, R.H., O. Haque, J. Gunstad, D.F. Tate, S.M. Grieve, K. Hoth, A.M. Brickman, Cohen RA, K. Lange, A.L.Jefferson, K.L. MacGregor, and E. Gordon.(2005). Subcortical hyperintensities impact cognitive function among a select subset of healthy elderly. Arch Clin Neuropsychol 20(6), 697-704. PMC 2733246.

Paul, R.H., A.M. Brickman, B. Navia, C. Hinkin, P.F. Malloy, A.L. Jefferson, Cohen RA D.F. Tate, and T.P.Flanigan. (2005). Apathy is associated with volume of the nucleus accumbens in patients infected with HIV. J Neuropsychiatry Clin Neurosci, 17(2), 167-71. PMC  2725432.

Paul, R., T.P. Flanigan, K. Tashima, Cohen RA, J. Lawrence, E. Alt, D. Tate, C. Ritchie, and C. Hinkin. (2005). Apathy correlates with cognitive function but not CD4 status in patients with human immunodeficiency virus. J Neuropsychiatry Clin Neurosci.,17(1), 114-8.PMID: 15746491.

Sweet, L.H., J.F. Paskavitz, M.J. O’Connor, J.N. Browndyke, J.W. Wellen, and Cohen RA. (2005). FMRI correlates of the WAIS-III symbol search subtest. J Int Neuropsychol Soc, 11(4), 471-6. PMID:16209427.

Boyle, P.A., R.H. Paul, D.J. Moser, Cohen RA, (2004). Executive impairments predict functional declines in Vascular dementia. Clin Neuropsychol, 18(1),75-82. PMID:15595360.

Browndyke, J.N., K.A. Tucker, S.P. Woods, J. Beauvals, Cohen RA, P.C. Gottschalk, and T.R. Kosten.(2004).Examining the effect of cerebral perfusion abnormality magnitude on cognitive performance in recently abstinentchronic cocaine abusers. J Neuroimaging, 14(2), 162-9. PMID:15095563.

Davis Garrett, K., R.A. Cohen RA. Paul, D.J. Moser, P.F. Malloy, P. Shah, and O. Haque. (2004).  Computer-mediated measurement and subjective ratings of white matter hyperintensities in vascular dementia: relationships to neuropsychological performance. Clin Neuropsychol, 18(1, 50-62. PMID:15595358.

Garrett, K.D., R.H. Paul, D.J. Libon, and Cohen RA.(2004). Defining the diagnosis of vascular dementia. Appl Neuropsychol11(4), 204-9. PMID:15673492.

Garrett, K.D., J.N. Browndyke, W. Whelihan, R.H. Paul, M. DiCarlo, D.J. Moser, Cohen RA, and B.R. Ott.(2004). The neuropsychological profile of vascular cognitive impairment–no dementia: comparisons to patients at risk for cerebrovascular disease and vascular dementia. Arch Clin Neuropsychol, 19(6), 745-57. PMID:15288328.

Sweet, L.H., S.M. Rao, M. Primeau, A.R. Mayer, and Cohen RA.(2004).  Functional magnetic resonance imaging of working memory among multiple sclerosis patients. J Neuroimaging, 14(2), 150-7. PMID:15095561.

Tate, D., R.H. Paul, T.P. Flanigan, K. Tashima, J. Nash, C. Adair, R. Boland, and Cohen RA(2003). The impact of apathy and depression on quality of life in patients infected with HIV. AIDS Patient Care STDS, 17(3), 115-20. PMID:12724007.

Paul R, Cohen RA, Stern R (2003).  Neurocognitive Manifestations of Human Immunodeficiency Virus.  CNS Spectrums, 7(17), 860-866.

Paul R, Cohen RA, Moser D, Ott B, Zawacki T. (2003). Sensitivity and specificity of the Dementia Rating Scale in vascular dementia: Comparisons between two sets of criteria to define cognitive impairment.  Cerebrovascular Diseases 15(1-2),116-20. PMID:12499720.

Boyle PA, Paul R, Moser D, Zawacki T, Gordon N, Cohen RA.  (2003). Cognitive and neurologic predictors of functional impairment in vascular dementia. American  Journal of  Geriatric Psychiatry; 11(1),103-6. PMID:12527546.

Boyle PA, Malloy PF, Salloway S, Cahn-Weiner DA, Cohen R, Cummings JL. (2003). Executive dysfunction and apathy predict functional impairment in Alzheimer disease. American  Journal of Geriatric Psychiatry; 11(2), 214-221. PMID:12611751.

Paul R, Garret K, Cohen RA.  (2003).  Vascular dementia: A conundrum for the clinical neuropsychologist. Applied Neuropsychology, 10(3), 129-136. PMID:12890638.

Browndyke, J.N., D.J. Moser, Cohen RA, D.J. O’Brien, J.J. Algina, W.G. Haynes, E.D. Staples, J. Alexander,L.K. Davies, and  R.M. Bauer. (2002). Acute neuropsychological functioning following cardiosurgical interventions associated with the production of intraoperative cerebral microemboli. Clin Neuropsychol,16(4), 463-71. PMID:12822055.

Paul, R., Cohen RA., Gilchrist, J. (2002).  Ratings of subjective fatigue relate to cognitive performance in patients with myasthenia gravis.  Journal of Clinical Neuroscience, 9(3),243-6. PMID:12093127.

Zawacki T, Cohen RA, Paul, R, Ott, B, Grace, J, Moser, D.  (2002).  The relationship between apathy and activities of daily living in vascular dementia.  Journal of Neuropsychiatry and Clinical Neurosciences, 8(6), 635-641. PMID:12240738.

Paul RH, Cohen RA, Moser DJ, Zawacki T, Ott BR, Gordon N, Stone W. (2002).  The global deterioration scale relationships to neuropsychological performance and activities of daily living in patients with vascular dementia.Journal of  Geriatric Psychiatry and Neurolology; 15 (1),50-54. PMID:11936244.

Boyle, P.A., Cohen, RA., Paul, R., Moser, D., Gordon, N.  (2002). Cognitive and motor impairments predict functional declines in patients with vascular dementia.  International Journal of Geriatric Psychiatry, 17(2),164-169. PMID:11813280.

Paul, R., Cohen RA., Moser, D., Ott, B.  (2002). The serial position effect in vascular dementia.  Journal of the International Neuropsychological Society.8 (4): 584-587. PMID:12030311.

Browndyke, J.N., Albert, A.L., Malone, W., Schatz, P., Paul, R.H., Cohen RA., Tucker, K.A., & Gouvier, W.D. (2002).  Computer-related Anxiety: Examining the Impact of Technology-specific Affect on the Performance of a Computerized Neuropsychological Assessment Measure.  Applied Neuropsychology, 9(4), 210-219. PMID:12584075.

Cohen RA, Paul R, Ott B, et al. (2002).  The relationship of subcortical hyperintensities on MRI and brain volume to cognitive function in vascular dementia in vascular dementia. Journal of the International Neuropsychological Society, 8, 743-752. PMID:12240738.

Paul, R., Cohen, R, Navia, B, Tashima, K. (2002).  Relationships between neuropsychological function and neuroimaging in adults with human immunodeficiency virus type 1.  Neuroscience and Biobehavioral Reviews, 26(3), 353-359. PMID:12034135.

Paul, R., Cohen, R., Goldstein, J., Gilchrist, J. (2001).  Severity of mood, self-evaluative, and vegetative symptoms of depression in myasthenia gravis.  Journal of Neuropsychiatry and Clinical Neurosciences, 12(4), 499-501.

Paul RH. Nash JM. Cohen RA. Gilchrist JM. Goldstein JM. (2001). Quality of life and well-being of patients with myasthenia gravis. Muscle & Nerve. 24(4), 512-6. PMID:11268023.

Cohen RA, Paul R, Lohr I.  (2001).  Impairments of attention in patients with major affective disorder.  Journal of Neuropsychiatry and Clinical Neurosciences. 13, 385-395. PMID:11514646.

Cohen RA, Paul R, et al  (2001).  Single photon emission computed tomography imaging hyperintensities and cognitive impairment in patients with vascular dementia PECT and neuropsychological findings in vascular dementia. Journal of Neuroimaging, 11(3), 253-260. PMID:11462291.

Moser D, Cohen RA, Paul R, Gordon N, Ott BR.  (2001).  Executive function and magnetic resonance imaging subcortical hyperintensities in vascular dementia Neuropsychiatry, Neuropsychology and Behavioral Neurology 14, 89-92. PMID:11417671.

Paul, R.Cohen, R.Moser, D.Ott, B.Zawacki, T.Gordon, N.(2001). Performance on the Hooper Visual Organizational Test in patients diagnosed with subcortical vascular dementia: relation to naming performance Neuropsychiatry Neuropsychol Behav Neurol 14, 93-97. PMID:11417672.

Paul R, Cohen RA, Ott BR, Zawacki T, Gordon N.  (2001).  Performance on the Dementia Rating Scale in vascular dementia: Relationship to neuroimaging findings.  Journal of Geriatric Psychiatry and Neurology, 14, 33-36. PMID:11281314.

Paul RH. Cohen RA. Moser D. Ott BR. Zawacki T. Gordon N. Bell S. Stone W. (2001).  Performance on the Mattis Dementia Rating Scale in patients with vascular dementia: relationships to neuroimaging findings.  Journal of Geriatric Psychiatry & Neurology, 14(1), 3-6. PMID:11417672.

Paul R, Cohen RA. (2001).  Cognitive and functional status in two subtypes of vascular dementia. Neurorehabilitation, 15(3), 199-205.

Paul, RH, Cohen, R., Moser, D., Ott., Gordon, N.  (2001).  Dementia severity and pattern of cognitive performance in vascular dementia.  Applied Neuropsychology, 8(4), 211-217.

Cohen RA (2001).  From Theory to Application: Attention and Performance-XVII:  Cognitive Regulation of Performance:  Interaction of Theory and Application (Book Review).  Journal International Neuropsychological Society, 7(6), 779-780. PMID:11989724.

Cohen RA, Boland R, Paul R, Tashima K, Schoenbaum EE, Celentano DD, Schuman P, Smith DK, Carpenter C.  (2001).  Neurocognitive performance enhanced by highly active antiretroviral therapy in HIV-infected women.  AIDS 15, 341-345. PMID:11273214.

Cohen RA, Paul, R, Brumm, V, Zawacki T, Sweet L. (2001).  Emotional and personality changes following cingulotomy Emotion,1(1), 38-50. PMID:12894810.

Moser DJ. Cohen RA. Paul RH. Paulsen JS. Ott BR. Gordon NM. Bell S. Stone WM. (2001).  Executive function and magnetic resonance imaging subcortical hyperintensities in vascular dementia.  Neuropsychiatry, Neuropsychology, & Behavioral Neurology. 14(2),89-92. PMID:11417671.

Paul R, Cohen RA, Toder J.  (2000).  Late onset hypersensitivity.  Reply to Marino et al.  Arthritis Care and Research, 12 (6), 435-436.

Rapcsak, S Z,. Galper S R, Comer JF, Reminger SL, Nielsen L, Kaszniak, AW, Verfaellie M, Laguna JF, Labiner DM, Cohen RA (2000). Fear recognition deficits after focal brain damage: A cautionary note. Neurology. 54(3),575. PMID:10680785.

Moser DM, Cohen RA, Bauer RM, et al. (2000) Electroencephalographic, volumetric, and neuropsychological indicators of seizure focus lateralization in temporal lobe epilepsy Archives of Neurology, 57(5),707-12. PMID:10815137.

Lukatela KA. Cohen RA. Kessler HA. Jenkins MA. Moser DJ. Stone WF. Gordon NF. Kaplan RF. (2000) Dementia rating scale performance: a comparison of vascular and Alzheimer’s dementia.  Journal of Clinical & Experimental Neuropsychology. 22(4),445-54. PMID:10923054.

Paul R, Cohen RA, Ott BR, Zawacki T, Moser D, Gordon N.  (2000).  Cognitive and functional capacity in two subtypes of vascular dementia. Neurorehabilitation, 15,199-205. PMID: 11455096.

Paul R, Cohen RA, Gilchrist J, Aloia M, Goldstein J.  (2000).  Cognitive dysfunction in individuals with myasthenia gravis.  Journal of the Neurological Sciences. 179, 59-64. PMID:11054486.

Paul, R., CohenRA., Gilchrist, J., Goldstein, J. (2000).  Fatigue and its impact on patients with myasthenia gravis. Muscle and Nerve 23, 1402-1406. PMID:10951443.

Paul R, Cohen RA, Gilchrist J, Zawacki T, Aloia M.  (2000).  What have we learned about cognitive function in myasthenia gravis: A review of methods and results.  Neuroscience and Biobehavioral Reviews,25, 75-81.

Osoweicki D, Cohen RA, Morrow K, Paul R, Carpenter CJ, Flanigan T, Boland R. (2000).  Neurocognitive and psychological contributions to the quality of life in HIV-1 infected women.  AIDS 14, 1327-1332.

Cohen RA, Kaplan RF, Moser DJ, Jenkins MA, Wilkinson H. (1999).  Impairments of attention following cingulotomy.  Neurology, 53, 819-824.

Cohen RA, Kaplan RF, Moser DJ, Zuffante P, Jenkins MA (1999).  Attention and executive functioning Associated with bilateral anterior cingulotomy: Alteration of intention and self-initiated action. Journal of Neuropsychiatry andClinical Neuroscience, 11(4), 444-53.

Cohen RA, Rosenbaum A, Kane RL. Warnken WJ. Benjamin S. (1999) Neuropsychological correlates of domestic violence.  Violence and Victims, 14(4): 397-411.

Moser DJ, Cohen RA, Clark M, et al.  (1999) Neuropsychological functioning among cardiac rehabilitation patients. Journal of Cardiopulmonary Rehabilitation, 19 (2), 91-97.

Cohen RA, Moser DJ, Clark MM, Aloia MS, Cargill BR, Stefanik S, Albrecht A, Tilkemeier PL, Forman, DE.(1999). Neurocognitive Functioning and Improvement in Quality of Life Following Participation in Cardiac Rehabilitation, Am J Cardiology 83(9): 1374-1378.

Stern FA, Aruda JE, Sommerville JA, Cohen RA, et al. (1998).  Neurobehavioral functioning in asymptomatic HIV-1 infected women.  Journal of the International Neuropsychological Society, 4, 172-178.

Cohen RA. (1998) Disruption of short-duration timing associated with damage to the suprachiasmatic region of the hypothalamus: Reply from authors. Neurology, 51, 919-920.

Moser DJ, Cohen RA, Maloy P, et al. (1998).  Reduplicative paramnesia: A longitudinal neurobehavioral and neuroimaging analysis. Journal of Geriatric Psychiatry and Neurology.11(4):174-80.

Jenkins M, Cohen RA, Malloy P, et al. (1998).  Neuropsychological measures which discriminate among adults with residual symptoms of attention deficit disorder and other attentional complaints.  The Clinical Neuropsychologist,  12(1), 74-83.

Jenkins M, Malloy P, Salloway S, Cohen RA, Rogg J, Tung G, Kohn R, Westlake R, Johnson EG, Richardson E.(1998). Memory processes in depressed geriatric patients with and without subcortical hyperintensities on MRI. J Neuroimaging 8(1):20-6.

Lukatela K, Maloy P, Cohen RA. (1998). The naming deficits in early Alzheimer’s disease and vascular dementia. Neuropsychology, 12(4), 1-8.

Moser DJ, Cohen RA, Maloy P, et al. (1998).  Reduplicative paramnesia: A longitudinal neurobehavioral and neuroimaging analysis. J Geriatric Psychiatry & Neurology,11(4),174-180.

Jenkins MA, Langais PJ, Delis D., Cohen RA (1998).  Learning and memory in rape victims with posttraumatic stress disorder.  American Journal of Psychiatry, 155(2), 278-279.

Jenkins MA, Cimino C, Malloy PF, Salloway S, Cohen RA, Kohn R, Westlake R. (1997). Neuropsychiatricfactors in the illusion of visitors among geriatric patients: a case series. Journal of geriatric psychiatry and neurology 10(2):79-87.


Cohen RA, Barnes HJ, Jenkins M, Albers HE (1997).  Disruption of short-duration timing associated with damage to the suprachiasmatic nucleus of the hypothalamus. Neurology, 48, 1533-1539.

Cohen RA, Kaplan RF, Meadows M-E, et al (1996).  Comparison of the orienting response during the intracarotid and posterior cerebral artery amobarbital tests. Neurocase, 2, 93-98.

Cohen RA, O’Donnell BF, Meadows ME, Moonis M, Stone W, Drachman DA. (1995).  ERP indices and neuropsychological performance as predictors of functional outcome in dementia. J. Geriatric Psychiatry and Neurology, 8,217-225.

Kaplan RF, Cohen RA, Rosengard A, et al.(1995).  Extinction during time controlled direct retinal stimulation following recovery from right hemisphere stroke. Journal of Neurology, Psychiatry, Neurosurgery, 59, 534-536.

Kaplan RF, Meadows M-E, Verfaellie M, Kwan E, Ehrenberg BL, Bromfield EB, Cohen RA. (1994). Lateralization of memory for the visual attributes of objects: Evidence from the posterior cerebral artery amobarbital test. Neurology, 44(6):1069-1073.

O’Donnell, BF, Cohen RA, Hokama H, et al. (1994) Electrical source analysis of auditory ERPs in medial temporal lobe amnestic syndrome.  EEG Clin. Neurophysiol 87, 394-402.

Cohen, RA, Kaplan, RF, Meadows, ME, Wilkinson, H. (1994)  Habituation &  sensitization of the orienting response following bilateral anterior cingulotomy. Neuropsychologia, 32(5), 609-617.

CohenRA, Hasegawa, Y, Fisher, M. (1994).  Effects of a novel NMDA receptor antagonist on experimental stroke quantitatively assessed by spectral EEG and infarct volume. Neurological Research16, 443-448.

Cohen, RA, Kessler, HR, Fisher (1993).  The extended disability status scale (EDSS) as a predictor of impairments of functional activities of daily living in multiple sclerosis.  Journal of the Neurological Sciences, 48,112-116.

Kessler, HR, Cohen, RA, Lauer, K, Kausch, DF. (1992).  The relationship between disability and memory dysfunction in multiple sclerosis. International Journal of Neuroscience, 62, 17-34.

CohenRA and Albers, HE. (1991).  Disruptions of human circadian and cognitive regulation following discrete hypothalamic lesion. Neurology, 41,726-729.

Lippa, CF, CohenRA, Smith TW, Drachman, DA. (1991)  Primary progressive aphasia with focal neuronal achromasia.  Neurology, 41, 882-886.

Fisher M, Levine PH, Doyle EM, Arpano, MM, Bergeron, DA, CohenRA, Hoogasian, JJ.  (1991)  A 21 aminosteroid inhibits stimulated monocyte hydrogen peroxide and chemiluminescence measurements from MS patients and controls. Neurology, 41,297-299.

Roman, GC, Cohen, RA et al (1992) Vascular dementia: Diagnostic criteria for research studies.  Report of the NINDS-AIREN International Workshop. Neurology, 43,250-260.

Fisher, M, Levine PH, CohenRA. (1990).  The effects of a 21-aminosteroid on free radical production by human leukocytes.  Stroke, 21, 297-299.

Cohen RA, Fisher M. (1989).  Amantadine treatment of fatigue associated with Multiple Sclerosis.  Archives of Neurology, 46, 676-680.

Recht LD, McCarthy K, O’Donnell, BF, Cohen RA, Drachman DA. (1989). Tumor-associated aphasia in left hemisphere primary brain tumors: The importance of age and tumor Grade. Neurology 38:48-50.

Zaret, B, Cohen, RA (1986). Reversible Valproic Acid-Induced Dementia; A Case Report.  Epilepsia, 27(3):234-240.

Cohen, RA, Waters, WF. (1985).  Psychophysiological Correlates of Levels and States of Cognitive Processing, Neuropsychologia, 23(2):243-256.


Waters WF, Cohen RA, Bernard, BA, Buco, SM, Dreger, RM. (1984) ANRSI: An Autonomic Nervous System Response Inventory.  Journal of Behavioral Medicine, 7(3):315-341.

Cohen RA, Williamson D, Jarrell P, Monguillot J, Waters, WF. (1983). Psychophysiological response specificity and stereotopy for migraine and muscle contraction headache.  Journal of Behavioral Medicine, 6:240-265.


Williamson D, CohenRA, et al. (1983) A controlled evaluation of a self-help and therapist-assisted program for migraine and muscle contraction headache.  Headache.

Kunen S, CohenRA  (1981) A level of processing analysis of Bloom’s Taxonomy.  Journal of Educational Psychology.

Cohen RA, Izawa, C  (1977) The effects of phonetic symbolism in paired-associate learning. Bulletin of the Psychonomic Society.