Former Postdoctoral Fellows
Cheryl Roberts, PhD
Cheryl Roberts, PhD, earned a master’s in public administration from Harvard University and a Ph.D. in sociology from the University of North Carolina, Chapel-Hill. Her mentors were Professors Kathie Harris and Glen Elder, Jr. Looking at the intersections of race, gender, and class, Roberts’ dissertation used the National Longitudinal Study of Adolescent Health to investigate the relationships among family disadvantage, school context, and educational attainment among African American males. Roberts’ mentor in the Duke RTP will be Professor Angela O’Rand in the Sociology Department. Her postdoctoral research will explore how earlier life disadvantages affect later life health, mental health, and well-being, and processes associated with risk and resilience.
Dan Hatch, PhD
Dan Hatch, PhD, earned his PhD in Psychological Science at Utah State University under the mentor ship of his dissertation chair, Professor Maria Norton. In his dissertation, “The Influence of Widowhood and Sociodemographic Moderators on Dementia and Alzheimer’s Disease Risk”, Hatch used data from a longitudinal cohort to examine how psychosocial stressors experienced throughout the life span altered risk for Alzheimer’s disease. Hatch began his postdoctoral fellowship at the Duke Aging Center with his mentor, Dr. Guy Potter of the Department of Psychiatry and Behavioral Sciences; Dr. Carl Pieper of the Department of Biostatistics and Bioinformatics will also act as a secondary mentor. Hatch’s research will examine the relationship between job strain and depression in a longitudinal cohort of workers at risk for occupational stress and will assess how this link is moderated by age-related executive functioning.
LaBarron Hill, PhD
LaBarron Hill, Ph.D. earned his PhD in Clinical Psychology, with a specialization in Health from The Ohio State University (Chair: Julian F. Thayer, Ph.D.). His dissertation, “The Influence of State and Trait Perseverative Cognition on Autonomic & Hemodynamic Regulation,” focused on the impact of psychological factors on cardiac functioning. LaBarron’s postdoctoral mentor is Dr. Keith Whitfield, Vice Provost of Academic Affairs and Professor of Psychology and Neuroscience. His postdoctoral research will examine the independent and interactive influence of psychosocial factors and underlying hemodynamic mechanisms on cognitive health and aging in African Americans. Dr. Hill is currently a Postdoctoral Scholar at SSRI, Duke University.
Nichole Lighthall, PhD
Nichole Lighthall earned a B.A. (2003) in psychology from UC Berkeley and a Ph.D. (2012) in Gerontology from the University of Southern California (Chair: Mara Mather, Ph.D.). In her dissertation, “Mechanisms of stress effects on learning and decision making in younger and older adults,” Nichole used biophysiological markers and functional MRI to determine how acute stress alters risk taking and reinforcement learning in early and late adulthood. Nichole’s postdoctoral research with Dr. Roberto Cabeza and Dr. Scott Huettel at the Center for Cognitive Neuroscience, will focus on determining how age-related changes to memory function affect economic decision making using neuroimaging techniques. Nichole is also interested in how emotion and motivation impact decision making across the life course. Dr. Lighthall is currently Assistant Professor of Psychology, University of Central Florida.
Abby Schwartz, MGS, MSW, PhD
Abby Schwartz, Ph.D. earned a master’s in Gerontology from Miami University (2005) and an MSW (2010) and PhD (2013) in Social Work from Boston College (Chair: Kathleen Mcinnis-Dittrich, Ph.D.) . Her dissertation, “Moderators of the impact of sociodemographic and economic factors on the well-being of caregiving men: implications for social work practice and policy,” explored issues of caregiving and men. Her postdoctoral co-mentors are Dr. Cristina Hendrix from DUSON and Dr. Deborah Gold. Dr. Schwartz’s projects during her postdoc will include exploring the various predictors of caregiver psychological well-being and the conditions under which these predictor/well-being relationships may vary. Following the secondary data analysis, Abby will translate the quantitative findings into a qualitative exploration of the lived experience of cancer caregiving on the psychological well-being of the caregiver. This will include exploring why such significant relationships exist in the study model. Dr. Schwartz is currently Assistant Professor of Social Work, East Carolina University.
Dan Belsky, PhD
Dan received his Ph.D. in Health Policy & Management in 2012 from the Gillings School of Public Health at the University of North Carolina at Chapel Hill. His postdoctoral mentors are professors Avshalom Caspi and Terrie Moffitt. Dan’s research leverages cutting edge genome science and longitudinal data from population-based cohort studies to identify mechanisms in the etiology of chronic disease, with the aim of mobilizing policy and clinical practice to target these mechanisms for intervention. A key focus in his research is to identify modifiable features of the environment that mitigate or exacerbate genetic risks. Dr. Belsky is currently Assistant Professor, Division of Geriatrics, Duke University Medical Center.
Brandon Berry, PhD
Brandon received his PhD from the Sociology Department at UCLA in 2012 after completing a dissertation on the social psychology of losing everyday objects. His postdoctoral research project will examine the experience of age-related cognitive decline through a study of the informal social psychological process by which individuals discern ‘normal’ cognitive aging from pathological forms and then seek medical intervention. Dr. Berry’s primary mentor will be Professor Lynn Smith-Lovin in the Department of Sociology, while his secondary mentors will be Dr. Kathleen Welsh-Bohmer and Dr. Deborah T. Gold. Dr. Berry is currently a Postdoctoral Scholar at the Betty Irene Moore School of Nursing, University of California at Davis.
Natalia (Natasha) Dmitrieva, Ph.D.
Natasha Dmitrieva is an NIA-sponsored postdoctoral scholar, working under the mentorship of Dr. Carl Pieper at Center for the Study of Aging and Human Development, Duke University Medical Center. She holds a Ph.D. in Human Development and Family Studies from The Pennsylvania State University–University Park.
The substantive interest driving Natasha’s work is the examination of the stress-disease link among individuals in middle and older adulthood. In her dissertation, she examined individual differences in within-day and day-to-day variability in salivary cortisol. In her postdoctoral training, she is expanding this work by examining (1) dyadic co-trajectories in vascular health conditions and risk factors among older adult couples, (2) the effects of a mindfulness-based-weight-loss-maintenance intervention on self-reported and biological indicators of health, and (3) the effects of health behaviors related to management of Type 1 Diabetes on self-reported and biological indicators of disease activity. She is proficient in a number of statistical methods that are relevant to the developmental approach to the study of health in adulthood, including multilevel modeling, mixture modeling, and structural equation modeling. Dr. Dmitrieva is currently Assistant Professor of Psychology, Northern Arizona University.
Liza Genao, MD
Liza Genao received her medical degree in 2004 from UNPHU School of Medicine in the Dominican Republic. She completed training in Internal Medicine at Mayo Clinic in 2009 and Clinical Geriatrics at Duke University in 2011. Dr. Genao’s long term career is to improve the quality and equality of care of older adults with end-stage lung disease (ESLD). Her research seeks to understand the impact of aging and multi-morbidity on the functional status and quality of life of this population and derive specific multidisciplinary interventions targeted to those factors found to jeopardize these outcomes. The available medical treatments for ESLD minimally impact symptoms or change the disease progression, and involve challenges and barriers to which older patients are particularly vulnerable. Lung Transplantation (LT) and pulmonary rehabilitation (PR) are the best-demonstrated interventions to improve quality of life. As a result of the introduction of a new lung allocation scoring system (LAS) in the U.S. in 2005, the annual number of LT recipients 65 and older quadrupled. Having trained at Duke University, a leading center of excellence in LT, Dr. Genao became interested on analyzing how the lives of these older Americans changed by the gift of a new lung. During her first post-doctoral training year, under the mentorship of Drs. Kenneth Schmader, Heather Whitson and David Zaas, she completed an analysis of the difference in functional trajectories after transplant between older and younger recipients. This retrospective cohort study used data from the United Network for Organ Sharing (UNOS) registry on all adults that received their first LT after the LAS. The key findings of this study, recently published in the American Journal of Transplantation, were that on average, the functional status at 1-year was higher than at transplantation for all recipients, age was not associated with different rates of decline over time, and even the older recipients rarely reached significant disability at 48-months post LT. Dr. Genao ongoing studies include: survival benefit for older adults with LT compared to remaining on wait-list, causes of death after LT and healthcare utilization before and after LT in older Medicare Beneficiaries. In January of 2012, Dr. Genao’s participated, in a multidisciplinary workshop held by the Association of Specialty Professors, National Institutes of Health (including NHLBI, NIA, NIAID, NIDDK) and the American Geriatrics Society (AGS), to address issues related to kidney, liver, heart and lung transplantation in older adults and propose the agenda for future research. Also during this year she became an awardee of the Hartford Scholar in the Center of Excellence in Geriatric Medicine and Training program at Duke University. She has served in the AGS Junior Faculty Research Special Interest Group Steering Committee and the Duke Institutional Review Board since 2011. Dr. Genao is currently Medical Instructor, Department of Medicine, Duke University Medical Center.
Lydia K. Manning, MGS, PhD
Lydia is a postdoctoral scholar at Duke University’s Center for Aging, and her is postdoctoral mentor is Dr. Linda K. George. Lydia holds a PhD in Social Gerontology from Miami University in Oxford, OH. Her current areas of research interests include exploring resilience as a developmental process and the effect of resilience and religion on self-rated health and subjective well-being in later life. Lydia has presented research at the Gerontological Society of America and the Association for Gerontology in Higher Education. Topics of these presentations include spirituality and aging, volunteering in third age, gender and religious differences in older women, and religion as a pathway to emotional resilience. Furthermore, she has published several peer-reviewed articles in journals on similar topics in The Gerontologist, Gerontology and Geriatrics Education, Journal of Religion, Spiritualty and Aging, Journal of Women and Aging, and Journal of Religion and Health. In addition Lydia is a member of the Gerontological Society of America, the American Sociological Society, and the Association for Anthropology and Gerontology. Dr. Manning is currently Associate Professor and Program Faculty Leader for Gerontology, Concordia University Chicago.
Adrienne T. Aiken Morgan, PhD
Adrienne is a Postdoctoral Fellow at the Center for the Study of Aging and Human Development and the Center on Biobehavioral Health Disparities. She received her PhD in clinical psychology, with a concentration in neuropsychology and graduate certificate in gerontology, at the University of Florida. Her dissertation was entitled “Effects of Improved Physical Fitness on Cognitive/Psychological Functioning in Community-Dwelling, Sedentary Middle-Aged and Older Adults.” Dr. Aiken Morgan’s primary fellowship mentor is Dr. Keith Whitfield, Vice Provost of Academic Affairs and Professor of Psychology and Neuroscience. The focus of her research during her fellowship will be to understand the influence of health and sociocultural factors on cognitive aging among African Americans. Dr. Aiken-Morgan is currently Lecturing Fellow, Social Science Research Institute, Duke University.
Kathryn Starr, PhD, RD
Kathryn earned her PhD in Nutrition from the Department of Foods and Nutrition at the University of Georgia, and is mentored by Dr. Connie W. Bales in the Nutrition Laboratory at the Center for Aging. Her postdoctoral research focusing on examining the influences of diet and exercise interventions in older adults for two randomized clinical trials. One examines metabolic responses to exercise alone (differing in amount and intensity) and exercise plus weight loss, and she will be focusing on age-related differences in metabolic responses in these pre-diabetic subjects, looking at changes in insulin sensitivity and metabolic syndrome scores, body composition, intervention adherence, reported energy intake, and nutrient intake. She also works on a weight loss intervention trial in “fat and frail” older adults that uses protein supplementation to help protect lean body mass; functional status and lean body mass are the primary outcomes in this trial. Kathryn is also a Registered Dietitian and received her Certificate in Gerontology at the University of Georgia’s Institute of Gerontology. Dr. Starr is currently an Advanced Geriatric Fellow at the Durham VA Medical Center