Corinne E. Fischer



Research Programs


Dr. Fischer is a staff psychiatrist with the Mental Health Service at St. Michael’s Hospital and director of Geriatric Psychiatry at St. Michael’s Hospital, Unity Health. She is an associate scientist and co-director of Neurodegenerative Research, Division of Neuroscience Research, at the Keenan Research Centre for Biomedical Science, the Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto, Canada. She has an academic appointment as Associate Professor at the University of Toronto in the Division of Geriatric Psychiatry and is a full member of the Institute of Medical Science where she supervises graduate students, research fellows, residents and medical students. She is an associate editor of the Journal of Alzheimer’s disease and immediate past academic co-chair of the Neuropsychiatric Symptom Professional Interest Area ISTAART in addition to being a member of several national/international organizations including CAGP, AAGP, IPA and ISTAART.  Dr. Fischer’s main clinical and research focus centres around neuropsychiatric symptoms in Alzheimer’s disease and their clinical, imaging and pathological correlates. She is a principal investigator for a number of peer-reviewed and industry sponsored grants, including a multi-centred study of photobiomodulation therapy in moderate to severe Alzheimer’s disease.

Recent Publications

  1. Miller, DS, Robert, P, Ereshefsky, L, Adler, L, Bateman, D, Cummings, J et al.. Diagnostic criteria for apathy in neurocognitive disorders. Alzheimers Dement. 2021; :. doi: 10.1002/alz.12358. PubMed PMID:33949763 .
  2. Zukotynski, K, Black, SE, Kuo, PH, Bhan, A, Adamo, S, Scott, CJM et al.. Exploratory Assessment of K-means Clustering to Classify 18F-Flutemetamol Brain PET as Positive or Negative. Clin Nucl Med. 2021; :. doi: 10.1097/RLU.0000000000003668. PubMed PMID:33883495 .
  3. Chandramouleeshwaran, S, Ahsan, N, Raymond, R, Nobrega, JN, Wang, W, Fischer, CE et al.. Relationships Between a New Cultured Cell-Based Serum Anticholinergic Activity Assay and Anticholinergic Burden Scales or Cognitive Performance in Older Adults. Am J Geriatr Psychiatry. 2021; :. doi: 10.1016/j.jagp.2021.03.002. PubMed PMID:33846084 .
  4. Diniz, BS, Vieira, EM, Mendes-Silva, AP, Bowie, CR, Butters, MA, Fischer, CE et al.. Mild cognitive impairment and major depressive disorder are associated with molecular senescence abnormalities in older adults. Alzheimers Dement (N Y). 2021;7 (1):e12129. doi: 10.1002/trc2.12129. PubMed PMID:33816758 PubMed Central PMC8012242.
  5. Karameh, WK, Kortebi, I, Kumar, S, Gallagher, D, Golas, A, Lanctôt, KL et al.. Comparing cardiovascular risk factors in older persons with mild cognitive impairment and lifetime history of major depressive disorder. Int Psychogeriatr. 2021; :1-7. doi: 10.1017/S1041610221000259. PubMed PMID:33775259 .
  6. Tang-Wai, DF, Smith, EE, Bruneau, MA, Burhan, AM, Chatterjee, A, Chertkow, H et al.. CCCDTD5 recommendations on early and timely assessment of neurocognitive disorders using cognitive, behavioral, and functional scales. Alzheimers Dement (N Y). 2020;6 (1):e12057. doi: 10.1002/trc2.12057. PubMed PMID:33209972 PubMed Central PMC7657153.
  7. Kumar, S, Zomorrodi, R, Ghazala, Z, Goodman, MS, Blumberger, DM, Daskalakis, ZJ et al.. Effects of repetitive paired associative stimulation on brain plasticity and working memory in Alzheimer's disease: a pilot randomized double-blind-controlled trial. Int Psychogeriatr. 2020; :1-13. doi: 10.1017/S1041610220003518. PubMed PMID:33190659 .
  8. Mundluru, J, Subhan, A, Lo, TWB, Churchill, N, Fornazzari, L, Munoz, DG et al.. Neuropsychiatric Presentations due to Traumatic Brain Injury in Cognitively Normal Older Adults. J Neurotrauma. 2021;38 (5):566-572. doi: 10.1089/neu.2020.7282. PubMed PMID:32977734 PubMed Central PMC8020506.
  9. Cummings, J, Pinto, LC, Cruz, M, Fischer, CE, Gerritsen, DL, Grossberg, GT et al.. Criteria for Psychosis in Major and Mild Neurocognitive Disorders: International Psychogeriatric Association (IPA) Consensus Clinical and Research Definition. Am J Geriatr Psychiatry. 2020;28 (12):1256-1269. doi: 10.1016/j.jagp.2020.09.002. PubMed PMID:32958332 PubMed Central PMC7669601.
  10. Brooks, H, Goodman, MS, Bowie, CR, Zomorrodi, R, Blumberger, DM, Butters, MA et al.. Theta-gamma coupling and ordering information: a stable brain-behavior relationship across cognitive tasks and clinical conditions. Neuropsychopharmacology. 2020;45 (12):2038-2047. doi: 10.1038/s41386-020-0759-z. PubMed PMID:32682324 PubMed Central PMC7547084.
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Affiliations & Other Activities

  • Director of Geriatric Psychiatry, Psychiatry, St. Michael’s Hospital
  • Director of Memory Disorders Clinic, Psychiatry, St. Michael’s Hospital
  • Director of the Geriatric Mental Health Outreach Program, Psychiatry, St. Michael’s Hospital
  • Associate Professor, Department of Psychiatry, University of Toronto
  • Associate Member, IMS