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Physical Activity and Mobility Differentially Predict Nondemented Executive Function Trajectories: Do Sex and APOE Moderate These Associations?
Published in:
2019
By:
- Thibeau, Sherilyn;
- McFall, G. Peggy;
- Camicioli, Richard;
- Dixon, Roger A.;
- McFall, G Peggy;
- Dixon, Roger A
Publication type:
journal article
Performance on the Hayling and Brixton tests in older adults: Norms and correlates
Published in:
Archives of Clinical Neuropsychology, 2006, v. 21, n. 2, p. 141, doi. 10.1016/j.acn.2005.08.006
By:
- Bielak, Allison A.M.;
- Mansueti, Laura;
- Strauss, Esther;
- Dixon, Roger A.
Publication type:
Article
The Dutch Memory Compensation Questionnaire: Psychometric Properties and Regression-Based Norms.
Published in:
Assessment, 2011, v. 18, n. 4, p. 517, doi. 10.1177/1073191110370116
By:
- Van der Elst, Wim;
- Hoogenhout, Esther M.;
- Dixon, Roger A.;
- De Groot, Renate H. M.;
- Jolles, Jelle
Publication type:
Article
Associations between Differential Aging and Lifestyle, Environment, Current, and Future Health Conditions: Findings from Canadian Longitudinal Study on Aging.
Published in:
Gerontology, 2023, v. 69, n. 12, p. 1394, doi. 10.1159/000534015
By:
- Song, Yipeng;
- Liu, Yang S.;
- Talarico, Fernanda;
- Zhang, Yanbo;
- Hayward, Jake;
- Wang, Mengzhe;
- Stroulia, Eleni;
- Dixon, Roger A.;
- Greiner, Russell;
- Li, Xinmin;
- Greenshaw, Andrew;
- Jie, Sui;
- Cao, Bo
Publication type:
Article
Sex‐specific neuropsychological correlates of apathy and depression across neurodegenerative disorders.
Published in:
International Journal of Geriatric Psychiatry, 2024, v. 39, n. 3, p. 1, doi. 10.1002/gps.6080
By:
- Kapustin, Daniel;
- Tumati, Shankar;
- Wong, Melissa;
- Herrmann, Nathan;
- Dixon, Roger A.;
- Seitz, Dallas;
- Rapoport, Mark J.;
- Lanctôt, Krista L.
Publication type:
Article
A Multimodal Risk Network Predicts Executive Function Trajectories in Non-demented Aging.
Published in:
Frontiers in Aging Neuroscience, 2021, v. 13, p. 1, doi. 10.3389/fnagi.2021.621023
By:
- Sapkota, Shraddha;
- McFall, G. Peggy;
- Masellis, Mario;
- Dixon, Roger A.
Publication type:
Article
A multiomics approach to heterogeneity in Alzheimer's disease: focused review and roadmap.
Published in:
2020
By:
- Badhwar, AmanPreet;
- McFall, G Peggy;
- Sapkota, Shraddha;
- Black, Sandra E;
- Chertkow, Howard;
- Duchesne, Simon;
- Masellis, Mario;
- Li, Liang;
- Dixon, Roger A;
- Bellec, Pierre
Publication type:
journal article
Association of plasma biomarkers with cognition, cognitive decline, and daily function across and within neurodegenerative diseases: Results from the Ontario Neurodegenerative Disease Research Initiative.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2024, v. 20, n. 3, p. 1753, doi. 10.1002/alz.13560
By:
- Sanchez, Erlan;
- Wilkinson, Tim;
- Coughlan, Gillian;
- Mirza, Saira;
- Baril, Andrée‐Ann;
- Ramirez, Joel;
- Binns, Malcolm A.;
- Black, Sandra E.;
- Borrie, Michael;
- Dilliott, Allison A.;
- Dixon, Roger A.;
- Dowlatshahi, Dar;
- Farhan, Sali;
- Finger, Elizabeth;
- Fischer, Corinne E.;
- Frank, Andrew;
- Freedman, Morris;
- Goncalves, Rafaella A.;
- Grimes, David A.;
- Hassan, Ayman
Publication type:
Article
Predictors of Alzheimer's disease risk in women with bilateral oophorectomy from the UK Biobank.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2022, v. 18, n. 11, p. 1, doi. 10.1002/alz.063188
By:
- Reuben, Rebekah;
- McFall, G. Peggy;
- Dixon, Roger A.;
- Einstein, Gillian
Publication type:
Article
Standardized preprocessed derivatives for the Comprehensive Assessment of Neurodegeneration and Dementia (COMPASS‐ND) Study.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2022, v. 18, n. 5, p. 1, doi. 10.1002/alz.065619
By:
- Lussier, Désirée;
- Clarke, Natasha;
- Wang, Hao‐Ting;
- Boré, Arnaud;
- Tetrel, Loic;
- Duchesne, Simon;
- Devenyi, Gabriel A.;
- Chakravarty, M. Mallar;
- Descoteaux, Maxime;
- Dixon, Roger A.;
- Badhwar, AmanPreet;
- Bellec, Pierre
Publication type:
Article
Evaluation of blood pressure and cognitive function using individual participant data meta‐analysis: The Life‐Course Blood Pressure Cognition (LCBP‐COG) study.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2021, v. 17, p. 1, doi. 10.1002/alz.055833
By:
- Xu, Ying;
- McFall, G. Peggy;
- Rydén, Lina;
- Skoog, Johan;
- Tully, Phillip J;
- Anderson, Craig S;
- Anstey, Kaarin J;
- Cherbuin, Nicolas;
- Dixon, Roger A;
- Skoog, Ingmar;
- Peters, Ruth
Publication type:
Article
Association of ventricular size on executive function and attention is modified by Apolipoprotein E and moderated by pulse pressure in Alzheimer's disease: Neuroimaging / imaging and genetics.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2020, v. 16, n. 11, p. 1, doi. 10.1002/alz.046729
By:
- Sapkota, Shraddha;
- McFall, G. Peggy;
- Dixon, Roger A.;
- Masellis, Mario;
- Black, Sandra E.
Publication type:
Article
P1‐381: TRAJECTORY ANALYSES OF MORPHOMETRIC IMAGING MEASURES PROVIDE NOVEL INSIGHTS INTO THE DYNAMICS OF BRAIN AGING AS MODERATED BY SEX AND APOE.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2019, v. 15, p. P401, doi. 10.1016/j.jalz.2019.06.936
By:
- McFall, G. Peggy;
- Potvin, Olivier;
- Dieumegarde, Louis;
- Drouin, Shannon;
- Camicioli, Richard;
- Collins, Louis;
- Bellec, Pierre;
- Duchesne, Simon;
- Dixon, Roger A.
Publication type:
Article
Gender specific factors contributing to cognitive resilience in APOE ɛ4 positive older adults in a population-based sample.
Published in:
Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-34485-1
By:
- Zheng, Lidan;
- Eramudugolla, Ranmalee;
- Cherbuin, Nicolas;
- Drouin, Shannon M.;
- Dixon, Roger A.;
- Anstey, Kaarin J.
Publication type:
Article
Properties of Impact-Related Pseudotachylite and Associated Shocked Zircon and Monazite in the Upper Levels of a Large Impact Basin: A Case Study from the Vredefort Impact Structure.
Published in:
Minerals (2075-163X), 2020, v. 10, n. 12, p. 1053, doi. 10.3390/min10121053
By:
- Kovaleva, Elizaveta;
- Dixon, Roger
Publication type:
Article
APOE and COMT polymorphisms are complementary biomarkers of status, stability, and transitions in normal aging and early mild cognitive impairment.
Published in:
Frontiers in Aging Neuroscience, 2014, v. 6, p. 1, doi. 10.3389/fnagi.2014.00236
By:
- Dixon, Roger A.;
- DeCarlo, Correne A.;
- MacDonald, Stuart W. S.;
- Vergote, David;
- Jhamandas, Jack;
- Westaway, David
Publication type:
Article
Portals to frailty? Data-driven analyses detect early frailty profiles.
Published in:
Alzheimer's Research & Therapy, 2021, v. 13, n. 1, p. 1, doi. 10.1186/s13195-020-00736-w
By:
- Bohn, Linzy;
- Zheng, Yao;
- McFall, G. Peggy;
- Dixon, Roger A.
Publication type:
Article
Frailty effects on non-demented cognitive trajectories are moderated by sex and Alzheimer's genetic risk.
Published in:
Alzheimer's Research & Therapy, 2019, v. 11, n. 1, p. N.PAG, doi. 10.1186/s13195-019-0509-9
By:
- Thibeau, Sherilyn;
- McDermott, Kirstie;
- McFall, G. Peggy;
- Rockwood, Kenneth;
- Dixon, Roger A.
Publication type:
Article
Integrating Three Characteristics of Executive Function in Non-Demented Aging: Trajectories, Classification, and Biomarker Predictors.
Published in:
Journal of the International Neuropsychological Society, 2021, v. 27, n. 2, p. 158, doi. 10.1017/S1355617720000703
By:
- Caballero, H. Sebastian;
- McFall, G. Peggy;
- Wiebe, Sandra A.;
- Dixon, Roger A.
Publication type:
Article
APOE Moderates the Association between Lifestyle Activities and Cognitive Performance: Evidence of Genetic Plasticity in Aging.
Published in:
Journal of the International Neuropsychological Society, 2014, v. 20, n. 5, p. 478, doi. 10.1017/S1355617714000356
By:
- Runge, Shannon K.;
- Small, Brent J.;
- McFall, G. Peggy;
- Dixon, Roger A.
Publication type:
Article
Neurocognitive Speed and Inconsistency in Parkinson's Disease with and without Incipient Dementia: An 18-Month Prospective Cohort Study.
Published in:
Journal of the International Neuropsychological Society, 2012, v. 18, n. 4, p. 764, doi. 10.1017/S1355617712000422
By:
- de Frias, Cindy M.;
- Dixon, Roger A.;
- Camicioli, Richard
Publication type:
Article
TOWARD DISCOVERY OF MULTI-OMICS BIOTYPES OF ALZHEIMER’S DISEASE: A FOCUSED REVIEW AND PROPOSED ROADMAP.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2017, v. 13, p. P757, doi. 10.1016/j.jalz.2017.06.1007
By:
- Badhwar, AmanPreet;
- McFall, G. Peggy;
- Sapkota, Shraddha;
- Chertkow, Howard;
- Dixon, Roger A.;
- Bellec, Pierre
Publication type:
Article
TOWARD DISCOVERY OF MULTI-OMICS BIOTYPES OF ALZHEIMER’S DISEASE: A FOCUSED REVIEW AND PROPOSED ROAD MAP.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2017, v. 13, p. P42, doi. 10.1016/j.jalz.2017.06.2322
By:
- Badhwar, AmanPreet;
- McFall, G. Peggy;
- Sapkota, Shraddha;
- Chertkow, Howard;
- Dixon, Roger A.;
- Bellec, Pierre
Publication type:
Article
ALZHEIMER’S BIOMARKERS INTERACT DYNAMICALLY TO PREDICT COGNITIVE TRAJECTORIES DIFFERENTIALLY FOR COGNITIVELY EXCEPTIONAL, NORMAL, AND IMPAIRED GROUPS.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2017, v. 13, p. P1287, doi. 10.1016/j.jalz.2017.06.1942
By:
- McFall, G. Peggy;
- Dixon, Roger A.
Publication type:
Article
MEMORY RESILIENCE IN CARRIERS OF ALZHEIMER'S GENETIC RISK: PREDICTORS VARY FOR FEMALE AND MALE OLDER ADULTS.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2016, v. 12, p. P398, doi. 10.1016/j.jalz.2016.06.752
By:
- McDermott, Kirstie L.;
- McFall, G. Peggy;
- Andrews, Shea J.;
- Anstey, Kaarin J.;
- Dixon, Roger A.
Publication type:
Article
A SCALPEL NOT AN AXE: NUANCES IN APOE RISK EFFECTS IN NON-DEMENTED COGNITIVE AGING.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2016, v. 12, p. P1034, doi. 10.1016/j.jalz.2016.06.2142
By:
- McFall, G. Peggy;
- Dixon, Roger A.;
- Bäckman, Lars
Publication type:
Article
A NETWORK OF GENETIC EFFECTS ON NON-DEMENTED COGNITIVE AGING: ALZHEIMER'S GENETIC RISK (CLU + CR1 + PICALM) INTENSIFIES COGNITIVE AGING GENETIC RISK (COMT + BDNF) SELECTIVELY FOR APOE E4+ CARRIERS.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2016, v. 12, p. P1034, doi. 10.1016/j.jalz.2016.06.2141
By:
- Sapkota, Shraddha;
- Dixon, Roger A.
Publication type:
Article
An Alzheimer's genetic risk composite, but not ApoE, intensifies diabetes-related neurocognitive slowing in nondemented older adults.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2015, v. 11, n. 7, p. P627, doi. 10.1016/j.jalz.2015.06.885
By:
- McFall, G. Peggy;
- Sapkota, Shraddha;
- Wiebe, Sandra A.;
- Anstey, Kaarin J.;
- Dixon, Roger A.
Publication type:
Article
Metabolomics analyses of salivary samples discriminate normal aging, mild cognitive impairment, and Alzheimer’s disease groups and produce biomarkers predictive of neurocognitive performance.
Published in:
Alzheimer's & Dementia: The Journal of the Alzheimer's Association, 2015, v. 11, n. 7, p. P654, doi. 10.1016/j.jalz.2015.06.957
By:
- Sapkota, Shraddha;
- Tran, Tran;
- Huan, Tao;
- Lechelt, Katherine;
- MacDonald, Stuart;
- Camicioli, Richard;
- Li, Liang;
- Dixon, Roger A.
Publication type:
Article
Predicting mild cognitive impairment status with markers of cognitive and physiological change
Published in:
2010
By:
- Braslavsky, Anna;
- Dixon, Roger A.;
- Tuokko, Holly;
- MacDonald, Stuart W.S.
Publication type:
Abstract
Machine learning analyses identify multi-modal frailty factors that selectively discriminate four cohorts in the Alzheimer's disease spectrum: a COMPASS-ND study.
Published in:
BMC Geriatrics, 2023, v. 23, n. 1, p. 1, doi. 10.1186/s12877-023-04546-1
By:
- Bohn, Linzy;
- Drouin, Shannon M.;
- McFall, G. Peggy;
- Rolfson, Darryl B.;
- Andrew, Melissa K.;
- Dixon, Roger A.
Publication type:
Article
Concurrent Indicators of Gait Velocity and Variability Are Associated with 25-Year Cognitive Change: A Retrospective Longitudinal Investigation.
Published in:
Frontiers in Aging Neuroscience, 2017, v. 9, p. 1, doi. 10.3389/fnagi.2017.00017
By:
- MacDonald, Stuart W. S.;
- Hundza, Sandra;
- Love, Janet A.;
- DeCarlo, Correne A.;
- Halliday, Drew W. R.;
- Brewster, Paul W. H.;
- Lukyn, Timothy V.;
- Camicioli, Richard;
- Dixon, Roger A.
Publication type:
Article
Memory Resilience to Alzheimer's Genetic Risk: Sex Effects in Predictor Profiles.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2017, v. 72, n. 6, p. 937, doi. 10.1093/geronb/gbw161
By:
- McDermott, Kirstie L.;
- McFall, G. Peggy;
- Andrews, Shea J.;
- Anstey, Kaarin J.;
- Dixon, Roger A.
Publication type:
Article
Vascular Health and Genetic Risk Affect Mild Cognitive Impairment Status and 4-Year Stability: Evidence From the Victoria Longitudinal Study.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2016, v. 71, n. 6, p. 1004, doi. 10.1093/geronb/gbv043
By:
- DeCarlo, Correne A.;
- MacDonald, Stuart W. S.;
- Vergote, David;
- Jhamandas, Jack;
- Westaway, David;
- Dixon, Roger A.
Publication type:
Article
Aging and the Shape of Cognitive Change Before Death: Terminal Decline Or Terminal Drop?
Published in:
2011
By:
- MacDonald, Stuart W. S.;
- Hultsch, David F.;
- Dixon, Roger A.
Publication type:
Journal Article
Aging and the Shape of Cognitive Change Before Death: Terminal Decline Or Terminal Drop?
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2011, v. 66B, n. 3, p. 292, doi. 10.1093/geronb/gbr001
By:
- MacDonald, Stuart W. S.;
- Hultsch, David F.;
- Dixon, Roger A.
Publication type:
Article
Tracking Cognition–Health Changes From 55 to 95 Years of Age.
Published in:
2011
By:
- Small, Brent J.;
- Dixon, Roger A.;
- McArdle, John J.
Publication type:
Journal Article
Linking Biological and Cognitive Aging: Toward Improving Characterizations of Developmental Time.
Published in:
2011
By:
- MacDonald, Stuart W. S.;
- DeCarlo, Correne A.;
- Dixon, Roger A.
Publication type:
Journal Article
Tracking Cognition–Health Changes From 55 to 95 Years of Age.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2011, v. 66B, p. i153, doi. 10.1093/geronb/gbq093
By:
- Small, Brent J.;
- Dixon, Roger A.;
- McArdle, John J.
Publication type:
Article
Linking Biological and Cognitive Aging: Toward Improving Characterizations of Developmental Time.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2011, v. 66B, p. i59, doi. 10.1093/geronb/gbr039
By:
- MacDonald, Stuart W. S.;
- DeCarlo, Correne A.;
- Dixon, Roger A.
Publication type:
Article
It's Never Too Late to Engage in Lifestyle Activities: Significant Concurrent but not Change Relationships Between Lifestyle Activities and Cognitive Speed.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2007, v. 62, n. 6, p. P331, doi. 10.1093/geronb/62.6.P331
By:
- Bielak, Allison A. M.;
- Hughes, Tiffany F.;
- Small, Brent J.;
- Dixon, Roger A.
Publication type:
Article
Stability and Change in Adult Personality Over 6 Years: Findings From the Victoria Longitudinal Study.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2003, v. 58, n. 3, p. P166, doi. 10.1093/geronb/58.3.P166
By:
- Small, Brent J.;
- Hertzog, Christopher;
- Hultsch, David F.;
- Dixon, Roger A.
Publication type:
Article
Age-Related Slowing of Digit Symbol Substitution Revisited: What Do Longitudinal Age Changes Reflect?
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2003, v. 58, n. 3, p. P187, doi. 10.1093/geronb/58.3.P187
By:
- MacDonald, Stuart W.S.;
- Hultsch, David F.;
- Strauss, Esther;
- Dixon, Roger A.
Publication type:
Article
Use of Memory Compensation Strategies Is Related to Psychosocial and Health Indicators.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2003, v. 58, n. 1, p. P12, doi. 10.1093/geronb/58.1.P12
By:
- de Frias, Cindy M.;
- Dixon, Roger A.;
- Bäckman, Lars
Publication type:
Article
Variability in Reaction Time Performance of Younger and Older Adults.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2002, v. 57, n. 2, p. P101, doi. 10.1093/geronb/57.2.P101
By:
- Hultsch, David F.;
- MacDonald, Stuart W.S.;
- Dixon, Roger A.
Publication type:
Article
Well-Being as a Moving Target: Measurement Equivalence of the Bradburn Affect Balance Scale.
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 2001, v. 56, n. 2, p. P69, doi. 10.1093/geronb/56.2.P69
By:
- Maitland, Scott B.;
- Dixon, Roger A.;
- Hultsch, David F.;
- Hertzog, Christopher
Publication type:
Article
Longitudinal changes in quantitative and qualitative indicators of word and story recall...
Published in:
Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 1999, v. 54B, n. 2, p. P107, doi. 10.1093/geronb/54B.2.P107
By:
- Small, Brent J.;
- Dixon, Roger A.
Publication type:
Article
Dementia Risk Prediction in a Longitudinal Geriatric Parkinson's Disease Cohort: Evaluation and Application of the Montreal Parkinson Risk of Dementia Scale.
Published in:
Canadian Geriatrics Journal, 2023, v. 26, n. 1, p. 176, doi. 10.5770/cgj.26.617
By:
- Bohn, Linzy;
- McFall, G. Peggy;
- Gee, Myrlene;
- Postuma, Ronald B.;
- Dixon, Roger A.;
- Camicioli, Richard
Publication type:
Article
Identifying key multi-modal predictors of incipient dementia in Parkinson's disease: a machine learning analysis and Tree SHAP interpretation.
Published in:
Frontiers in Aging Neuroscience, 2023, p. 01, doi. 10.3389/fnagi.2023.1124232
By:
- McFall, G. Peggy;
- Bohn, Linzy;
- Gee, Myrlene;
- Drouin, Shannon M.;
- Fah, Harrison;
- Wei Han;
- Liang Li;
- Camicioli, Richard;
- Dixon, Roger A.
Publication type:
Article
Dynamic Associations of Change in Physical Activity and Change in Cognitive Function: Coordinated Analyses of Four Longitudinal Studies.
Published in:
Journal of Aging Research, 2012, p. 1, doi. 10.1155/2012/493598
By:
- Lindwall, Magnus;
- Cimino, Cynthia R.;
- Gibbons, Laura E.;
- Mitchell, Meghan B.;
- Benitez, Andreana;
- Brown, Cassandra L.;
- Kennison, Robert F.;
- Shirk, Steven D.;
- Atri, Alireza;
- Robitaille, Annie;
- S. MacDonald, StuartW.;
- Zelinski, Elizabeth M.;
- Willis, Sherry L.;
- Schaie, K. Warner;
- Johansson, Boo;
- Praetorius, Marcus;
- Dixon, Roger A.;
- Mungas, Dan M.;
- Hofer, ScottM.;
- Piccinin, AndreaM.
Publication type:
Article

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