Dr. Maiya R. Geddes

  1. Friedman, NH, Hallot, S, Itzhak, I, Camicioli, R, Henri-Bhargava, A, Pettersen, JA et al.. Red flags for remote cognitive diagnostic assessment: A Delphi expert consensus study by the Canadian Consortium on Neurodegeneration in Aging. J Alzheimers Dis. 2025;106 (2):527-536. doi: 10.1177/13872877251338186. PubMed PMID:40336264 PubMed Central PMC12227809.
  2. Iturria-Medina, Y, Poole, VN, Zammit, AR, Yu, L, Tasaki, S, Hong, JH et al.. Translating the Post-Mortem Brain Multi-Omics Molecular Taxonomy of Alzheimer’s Dementia to Living Humans. bioRxiv. 2025; :. doi: 10.1101/2025.03.20.644323. PubMed PMID:40196602 PubMed Central PMC11974700.
  3. Ai, M, Thovinakere, N, Walker, CS, Ordway, C, Quinoñez, E, Melsky, E et al.. A technology-based randomized controlled trial of self-affirmation and gain-framed health messaging to reduce sedentary behavior in older adults. medRxiv. 2025; :. doi: 10.1101/2025.02.18.25322482. PubMed PMID:40034793 PubMed Central PMC11875261.
  4. Walker, CS, Noriega de la Colina, AE, Li, L, Boulanger, C, Thovinakere, N, Noly-Gandon, A et al.. Protocol for an intergenerational randomized controlled trial to enhance physical activity in older adults at risk for Alzheimer’s disease. J Prev Alzheimers Dis. 2025;12 (3):100039. doi: 10.1016/j.tjpad.2024.100039. PubMed PMID:40015754 PubMed Central PMC11868723.
  5. Yakoub, Y, Gonzalez-Ortiz, F, Ashton, NJ, Déry, C, Strikwerda-Brown, C, St-Onge, F et al.. Plasma p-tau217 identifies cognitively normal older adults who will develop cognitive impairment in a 10-year window. Alzheimers Dement. 2025;21 (2):e14537. doi: 10.1002/alz.14537. PubMed PMID:40008832 PubMed Central PMC11863240.
  6. Thovinakere, N, Ghosh, SS, Itturia-Medina, Y, Geddes, MR. Social Determinants of Health and Functional Brain Connectivity Predict Long-Term Physical Activity in Older Adults with a New Cardiovascular Diagnosis. medRxiv. 2025; :. doi: 10.1101/2024.09.30.24314678. PubMed PMID:39830285 PubMed Central PMC11741470.
  7. Wiesman, AI, Madge, V, Fon, EA, Dagher, A, Collins, DL, Baillet, S et al.. Associations between neuromelanin depletion and cortical rhythmic activity in Parkinson’s disease. Brain. 2025;148 (3):875-885. doi: 10.1093/brain/awae295. PubMed PMID:39282945 PubMed Central PMC11884654.
  8. Yakoub, Y, Gonzalez-Ortiz, F, Ashton, NJ, Déry, C, Strikwerda-Brown, C, St-Onge, F et al.. Plasma p-tau217 predicts cognitive impairments up to ten years before onset in normal older adults. medRxiv. 2024; :. doi: 10.1101/2024.05.09.24307120. PubMed PMID:38766113 PubMed Central PMC11100946.
  9. Walker, CS, Li, L, Baracchini, G, Tremblay-Mercier, J, Spreng, RN, PREVENT-AD Research Group et al.. Neurobehavioral Mechanisms Influencing the Association Between Generativity, the Desire to Promote Well-Being of Younger Generations, and Purpose in Life in Older Adults at Risk for Alzheimer’s Disease. J Gerontol B Psychol Sci Soc Sci. 2024;79 (6):. doi: 10.1093/geronb/gbae060. PubMed PMID:38623965 PubMed Central PMC11138215.
  10. Noriega de la Colina, A, Morris, TP, Kramer, AF, Kaushal, N, Geddes, MR. Your move: A precision medicine framework for physical activity in aging. NPJ Aging. 2024;10 (1):16. doi: 10.1038/s41514-024-00141-9. PubMed PMID:38413658PubMed Central PMC10899613.
  11. Ai, M, Morris, TP, Noriega de la Colina, A, Thovinakere, N, Tremblay-Mercier, J, Villeneuve, S et al.. Midlife physical activity engagement is associated with later-life brain health. Neurobiol Aging. 2024;134 :146-159. doi: 10.1016/j.neurobiolaging.2023.11.004. PubMed PMID:38091752 .
  12. Quesnel, MJ, Labonté, A, Picard, C, Zetterberg, H, Blennow, K, Brinkmalm, A et al.. Insulin-like growth factor binding protein-2 in at-risk adults and autopsy-confirmed Alzheimer brains. Brain. 2024;147 (5):1680-1695. doi: 10.1093/brain/awad398. PubMed PMID:37992295 PubMed Central PMC11068109.
  13. Ai, M, Morris, TP, Zhang, J, de la Colina, AN, Tremblay-Mercier, J, Villeneuve, S et al.. Resting-state MRI functional connectivity as a neural correlate of multidomain lifestyle adherence in older adults at risk for Alzheimer’s disease. Sci Rep. 2023;13 (1):7487. doi: 10.1038/s41598-023-32714-1. PubMed PMID:37160915 PubMed Central PMC10170147.
  14. Walker, CS, Li, L, Baracchini, G, Tremblay-Mercier, J, Spreng, RN, PREVENT-AD Research Group et al.. The influence of generativity on purpose in life is mediated by social support and moderated by prefrontal functional connectivity in at-risk older adults. bioRxiv. 2023; :. doi: 10.1101/2023.02.26.530089. PubMed PMID:36909532 PubMed Central PMC10002691.
  15. Intzandt, B, Sanami, S, Huck, J, PREVENT-AD Research group, Villeneuve, S, Bherer, L et al.. Sex-specific relationships between obesity, physical activity, and gray and white matter volume in cognitively unimpaired older adults. Geroscience. 2023;45 (3):1869-1888. doi: 10.1007/s11357-023-00734-4. PubMed PMID:36781598 PubMed Central PMC10400512.
  16. Noonan, MP, Geddes, MR, Mars, RB, Fellows, LK. Characterization of structural and functional network organization after focal prefrontal lesions in humans in proof of principle study. Brain Struct Funct. 2022;227 (9):3027-3041. doi: 10.1007/s00429-022-02570-2. PubMed PMID:36207644 PubMed Central PMC9653359.
  17. Morris, TP, Kucyi, A, Anteraper, SA, Geddes, MR, Nieto-Castañon, A, Burzynska, A et al.. Resting state functional connectivity provides mechanistic predictions of future changes in sedentary behavior. Sci Rep. 2022;12 (1):940. doi: 10.1038/s41598-021-04738-y. PubMed PMID:35042916 PubMed Central PMC8766514.
  18. Geddes, MR, O’Connell, ME, Fisk, JD, Gauthier, S, Camicioli, R, Ismail, Z et al.. Remote cognitive and behavioral assessment: Report of the Alzheimer Society of Canada Task Force on dementia care best practices for COVID-19. Alzheimers Dement (Amst). 2020;12 (1):e12111. doi: 10.1002/dad2.12111. PubMed PMID:32999916 PubMed Central PMC7507991.
  19. Wang, D, Belden, A, Hanser, SB, Geddes, MR, Loui, P. Resting-State Connectivity of Auditory and Reward Systems in Alzheimer’s Disease and Mild Cognitive Impairment. Front Hum Neurosci. 2020;14 :280. doi: 10.3389/fnhum.2020.00280. PubMed PMID:32765244 PubMed Central PMC7380265.
  20. Geddes, MR, Mattfeld, AT, Angeles, CL, Keshavan, A, Gabrieli, JDE. Human aging reduces the neurobehavioral influence of motivation on episodic memory. Neuroimage. 2018;171 :296-310. doi: 10.1016/j.neuroimage.2017.12.053. PubMed PMID:29274503 .
  21. Arnold Anteraper, S, Guell, X, Whitfield-Gabrieli, S, Triantafyllou, C, Mattfeld, AT, Gabrieli, JD et al.. Resting-State Functional Connectivity of the Subthalamic Nucleus to Limbic, Associative, and Motor Networks. Brain Connect. 2018;8 (1):22-32. doi: 10.1089/brain.2017.0535. PubMed PMID:29160088 .
  22. Geddes, MR, Tie, Y, Gabrieli, JD, McGinnis, SM, Golby, AJ, Whitfield-Gabrieli, S et al.. Altered functional connectivity in lesional peduncular hallucinosis with REM sleep behavior disorder. Cortex. 2016;74 :96-106. doi: 10.1016/j.cortex.2015.10.015. PubMed PMID:26656284 PubMed Central PMC4820074.
  23. Geddes, MR. Memory and Mechanism. Neurology. 2015;85 (13):1180. doi: 10.1212/WNL.0000000000001980. PubMed PMID:26416800 PubMed Central PMC4603884.
  24. Geddes, MR, Tsuchida, A, Ashley, V, Swick, D, Fellows, LK. Material-specific interference control is dissociable and lateralized in human prefrontal cortex. Neuropsychologia. 2014;64 :310-9. doi: 10.1016/j.neuropsychologia.2014.09.024. PubMed PMID:25261153 .
  25. Geddes, MR, Sinnreich, M, Chalk, C. Minocycline-induced dermatomyositis. Muscle Nerve. 2010;41 (4):547-9. doi: 10.1002/mus.21487. PubMed PMID:20120014 .

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