World's Best Scientists 2026 revealed!
Roger A. Dixon

Roger A. Dixon

D-Index & Metrics

Psychology

D-Index
74
Citations
18712
World Ranking
1898
National Ranking
102

Research.com Recognitions

  • 2014 - Fellow, National Academy of Inventors
  • 2007 - Member of the National Academy of Sciences

Overview

Roger A. Dixon is affiliated with the University of Alberta in Canada and has a significant body of research focused on medicine, particularly within the fields of psychiatry and mental health, neurology, cognitive neuroscience, physiology, and cardiology and cardiovascular medicine.

The scientist's primary research interests include dementia and cognitive impairment, Alzheimer's disease research and treatments, functional brain connectivity studies, frailty in older adults, Parkinson's disease mechanisms and treatments, neurological disease mechanisms and treatments, and blood pressure and hypertension studies.

Notable recent papers authored or co-authored by Roger A. Dixon include:

  • Association of sex differences in dementia risk factors with sex differences in memory decline in a population-based cohort spanning 20-76 years, 2021, Scientific Reports
  • Portals to frailty? Data-driven analyses detect early frailty profiles, 2021, Alzheimer s Research & Therapy
  • Future Directions for Dementia Risk Reduction and Prevention Research: An International Research Network on Dementia Prevention Consensus, 2020, Journal of Alzheimer s Disease
  • Association of plasma biomarkers with cognition, cognitive decline, and daily function across and within neurodegenerative diseases: Results from the Ontario Neurodegenerative Disease Research Initiative, 2023, Alzheimer s & Dementia
  • Comprehensive Serum Lipidomics for Detecting Incipient Dementia in Parkinson's Disease, 2021, Journal of Proteome Research

The scientist frequently publishes in several venues, including:

  • Journal of Alzheimer s Disease
  • Alzheimer s & Dementia
  • Brain Communications
  • Neuropsychology
  • Frontiers in Aging Neuroscience

Roger A. Dixon has collaborated extensively with other researchers. Frequent co-authors include:

  • G. Peggy McFall
  • Mario Masellis
  • Sandra E. Black
  • Kaarin J. Anstey
  • Linzy Bohn

Throughout the career, the scientist has received several recognitions, including:

  • Fellow, National Academy of Inventors, 2014
  • Member of the National Academy of Sciences, 2007

Best Publications

  • Use it or lose it: Engaged lifestyle as a buffer of cognitive decline in aging?

    David F. Hultsch;Christopher Hertzog;Brent J. Small;Roger A. Dixon

  • Variability in Reaction Time Performance of Younger and Older Adults

    David F. Hultsch;Stuart W. S. MacDonald;Roger A. Dixon

  • Gains and losses in development throughout adulthood as perceived by different adult age groups.

    Jutta Heckhausen;Roger A. Dixon;Paul B. Baltes

  • Age-related cognitive deficits mediated by changes in the striatal dopamine system.

    Lars Bäckman;Nathalie Ginovart;Roger A. Dixon;Tarja-Brita Robins Wahlin

  • Measurement properties of the Center for Epidemiological Studies Depression Scale (CES-D) in older populations.

    Christopher Hertzog;Judith Van Alstine;Paul D. Usala;David F. Hultsch

  • Psychological compensation: a theoretical framework.

    Lars Bäckman;Roger A. Dixon

  • The Metamemory in Adulthood (MIA) questionnaire

    R A Dixon;D F Hultsch;C Hertzog

  • Education Does Not Slow Cognitive Decline with Aging: 12-Year Evidence from the Victoria Longitudinal Study

    Laura B. Zahodne;M. Maria Glymour;Catharine Sparks;Daniel Bontempo

  • Relationships between metamemory, memory predictions, and memory task performance in adults.

    Christopher Hertzog;Roger A. Dixon;David F. Hultsch

  • Selective adult age differences in an age-invariant multifactor model of declarative memory.

    Lars Nyberg;Scott B. Maitland;Michael Rönnlund;Lars Bäckman

  • Performance variability is related to change in cognition: evidence from the Victoria Longitudinal Study.

    Stuart W S MacDonald;David F Hultsch;Roger A Dixon

  • Short-term longitudinal change in cognitive performance in later life.

    David F. Hultsch;Christopher Hertzog;Brent J. Small;Leslie McDonald-Miszczak

  • Latent change models of adult cognition: are changes in processing speed and working memory associated with changes in episodic memory?

    Christopher Hertzog;Roger A. Dixon;David F. Hultsch;Stuart W. S. MacDonald

  • Do Changes in Lifestyle Engagement Moderate Cognitive Decline in Normal Aging? Evidence from the Victoria Longitudinal Study

    Brent J. Small;Roger A. Dixon;John J. McArdle;Kevin J. Grimm

  • Neurocognitive markers of cognitive impairment: exploring the roles of speed and inconsistency.

    Roger A. Dixon;Douglas D. Garrett;Tanya L. Lentz;Stuart W. S. MacDonald

  • Stability and Change in Adult Personality Over 6 Years: Findings From the Victoria Longitudinal Study

    Brent J. Small;Christopher Hertzog;David F. Hultsch;Roger A. Dixon

  • Ability correlates of memory performance in adulthood and aging.

    David F. Hultsch;Christopher Hertzog;Roger A. Dixon

  • Structure and Development of Metamemory in Adulthood

    Unknown

  • Age differences in metamemory: resolving the inconsistencies.

    David F. Hultsch;Christopher Hertzog;Roger A. Dixon

  • Sampling and generalisability in developmental research: Comparison of random and convenience samples of older adults

    David F. Hultsch;Stuart W.S. MacDonald;Michael A. Hunter;Scott B. Maitland

  • Structure of four executive functioning tests in healthy older adults

    Cindy M. de Frias;Roger A. Dixon;Esther Strauss

Frequent Co-Authors

David F. Hultsch
David F. Hultsch University of Victoria
Stuart W. S. MacDonald
Stuart W. S. MacDonald University of Victoria
Christopher Hertzog
Christopher Hertzog Georgia Institute of Technology
Kaarin J. Anstey
Kaarin J. Anstey University of New South Wales
Lars Bäckman
Lars Bäckman Karolinska Institute
Brent J. Small
Brent J. Small University of South Florida
Sandra A. Wiebe
Sandra A. Wiebe University of Alberta
Esther Strauss
Esther Strauss University of Victoria
Åke Wahlin
Åke Wahlin Jönköping University
Scott M. Hofer
Scott M. Hofer University of Victoria

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring online psychology degree programs in the USA can open a wide range of career opportunities, from counseling to organizational psychology. Online degrees offer flexibility and accessibility, making them ideal for working professionals and those with diverse schedules.

When choosing a program, it’s important to consider factors such as accreditation, faculty expertise, and course format. For those searching for accessible options on the West Coast, the California easiest psychology master's degree online programs present flexible pathways to earn advanced credentials.

Students in the Northeast can explore the easiest online psychology master's programs in Pennsylvania, which combine academic rigor with affordable tuition. In the Midwest, there are several easiest online psychology degree programs in the Midwest for those prioritizing convenience and accessibility.

For learners based in Texas, the easiest online psychology programs in San Antonio provide plenty of options tailored to different interests and career goals. Graduates of these programs can pursue roles in mental health, education, research, and more, making online psychology degrees a versatile choice for personal and professional growth.

Best Scientists Citing Roger A. Dixon

Trending Scientists

Recently Published Articles