Publications by authors named "Roger Dixon"

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Developing Topics.
Sebastian Caballero, Shea J Andrews, Jack H Jhamandas, Richard Camicioli, Mario Masellis, Roger A Dixon

Alzheimers Dement· December 2025

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Public Health.
Roger A Dixon, Linzy Bohn

Alzheimers Dement· December 2025

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Biomarkers.
Richard Camicioli, Sandra E Black, Michael J Borrie, Howard Chertkow, Jennifer G Cooper, Roger A Dixon

Alzheimers Dement· December 2025

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Biomarkers.
Roger A Dixon, Shannon M Drouin, Linzy Bohn, Shuang Zhao, Liang Li

Alzheimers Dement· December 2025

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Regional free-water diffusion is more strongly related to neuroinflammation than neurodegeneration.
Vishaal Sumra, Mohsen Hadian, Allison A Dilliott, Sali M K Farhan, Andrew R Frank, Roger A Dixon

J Neurol· June 2025

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Frailty in motion: Amnestic mild cognitive impairment and Alzheimer's disease cohorts display heterogeneity in multimorbidity classification and longitudinal transitions.
Linzy Bohn, Yao Zheng, G Peggy McFall, Melissa K Andrew, Roger A Dixon

J Alzheimers Dis· April 2025

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Comparing machine learning classifier models in discriminating cognitively unimpaired older adults from three clinical cohorts in the Alzheimer's disease spectrum: demonstration analyses in the COMPASS-ND study.
Harrison Fah, Linzy Bohn, Russell Greiner, Roger A Dixon

Front Aging Neurosci· March 2025

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Homocysteine, neurodegenerative biomarkers, and APOE ε4 in neurodegenerative diseases.
William Z Lin, Di Yu, Lisa Y Xiong, Julia Zebarth, Ruoding Wang, Roger A Dixon

Alzheimers Dement· January 2025

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Impact of a national dementia research consortium: The Canadian Consortium on Neurodegeneration in Aging (CCNA).
Howard Chertkow, Natalie Phillips, Kenneth Rockwood, Nicole Anderson, Melissa K Andrew, Roger A Dixon

J Alzheimers Dis· December 2024

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Cumulative blood pressure load and cognitive decline in older adults: An observational analysis of two large cohorts.
Ying Xu, G Peggy McFall, Lina Rydén, Johan Skoog, Edward Chang, Roger A Dixon

Cereb Circ Cogn Behav· December 2024

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Associated risk and resilience factors of Alzheimer's disease in women with early bilateral oophorectomy: Data from the UK Biobank.
Noelia Calvo, G Peggy McFall, Shreeyaa Ramana, Michelle Galper, Esme Fuller-Thomson, Roger A Dixon

J Alzheimers Dis· November 2024

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Gender Selectively Mediates the Association Between Sex and Memory in Cognitively Normal Older Adults.
Linzy Bohn, Astrid Y Han, G Peggy McFall, Shannon M Drouin, Jacqueline A Pettersen, Roger A Dixon

Innov Aging· October 2024

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Cognitive Speed in Neurodegenerative Disease: Comparing Mean Rate and Inconsistency Within and Across the Alzheimer's and Lewy Body Spectra in the COMPASS-ND Study.
H Sebastian Caballero, G Peggy McFall, Myrlene Gee, Stuart MacDonald, Natalie A Phillips, Roger A Dixon

J Alzheimers Dis· July 2024

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A Metabolomics Analysis of a Novel Phenotype of Older Adults at Higher Risk of Dementia.
Munira Sultana, Richard Camicioli, Roger A Dixon, Shawn Whitehead, Frederico Pieruccini-Faria

J Alzheimers Dis· May 2024

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Association of plasma biomarkers with cognition, cognitive decline, and daily function across and within neurodegenerative diseases: Results from the Ontario Neurodegenerative Disease Research Initiative.
Erlan Sanchez, Tim Wilkinson, Gillian Coughlan, Saira Mirza, Andrée-Ann Baril, Roger A Dixon

Alzheimers Dement· March 2024

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Sex-specific neuropsychological correlates of apathy and depression across neurodegenerative disorders.
Daniel Kapustin, Shankar Tumati, Melissa Wong, Nathan Herrmann, Roger A Dixon

Int J Geriatr Psychiatry· March 2024

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The Return of Biomarker Results in Research: Balancing Complexity, Precision, and Ethical Responsibility.
Julie M Robillard, Mario Masellis, Susanna E Martin, Ara S Khachaturian, Roger A Dixon

J Alzheimers Dis· February 2024

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Associations between Differential Aging and Lifestyle, Environment, Current, and Future Health Conditions: Findings from Canadian Longitudinal Study on Aging.
Yipeng Song, Yang S Liu, Fernanda Talarico, Yanbo Zhang, Jake Hayward, Roger A Dixon

Gerontology· December 2023

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Machine learning analyses identify multi-modal frailty factors that selectively discriminate four cohorts in the Alzheimer's disease spectrum: a COMPASS-ND study.
Linzy Bohn, Shannon M Drouin, G Peggy McFall, Darryl B Rolfson, Melissa K Andrew, Roger A Dixon

BMC Geriatr· December 2023

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Identifying key multi-modal predictors of incipient dementia in Parkinson's disease: a machine learning analysis and Tree SHAP interpretation.
G Peggy McFall, Linzy Bohn, Myrlene Gee, Shannon M Drouin, Harrison Fah, Roger A Dixon

Front Aging Neurosci· June 2023

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Gender specific factors contributing to cognitive resilience in APOE ɛ4 positive older adults in a population-based sample.
Lidan Zheng, Ranmalee Eramudugolla, Nicolas Cherbuin, Shannon M Drouin, Roger A Dixon

Sci Rep· May 2023

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Dementia Risk Prediction in a Longitudinal Geriatric Parkinson's Disease Cohort: Evaluation and Application of the Montreal Parkinson Risk of Dementia Scale.
Linzy Bohn, G Peggy McFall, Myrlene Gee, Ronald B Postuma, Roger A Dixon

Can Geriatr J· March 2023

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Bridging Integrator 1 (BIN1, rs6733839) and Sex Are Moderators of Vascular Health Predictions of Memory Aging Trajectories.
Mackenzie Heal, G Peggy McFall, David Vergote, Jack H Jhamandas, David Westaway, Roger A Dixon

J Alzheimers Dis· September 2022

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Data-Driven Analyses of Longitudinal Hippocampal Imaging Trajectories: Discrimination and Biomarker Prediction of Change Classes.
Shannon M Drouin, G Peggy McFall, Olivier Potvin, Pierre Bellec, Mario Masellis, Roger A Dixon

J Alzheimers Dis· July 2022

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Ageing Together: Interdependence in the Memory Compensation Strategies of Long-Married Older Couples.
Celia B Harris, John Sutton, Paul G Keil, Nina McIlwain, Sophia A Harris, Roger A Dixon

Front Psychol· April 2022

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