Harvard Catalyst Profiles

Contact, publication, and social network information about Harvard faculty and fellows.

Keith Alan Johnson, M.D.

Co-Author

This page shows the publications co-authored by Keith Johnson and Joseph Locascio.
Connection Strength

1.804
  1. The presubiculum links incipient amyloid and tau pathology to memory function in older persons. Neurology. 2020 05 05; 94(18):e1916-e1928.
    View in: PubMed
    Score: 0.226
  2. Tau Positron Emission Tomographic Imaging in the Lewy Body Diseases. JAMA Neurol. 2016 Nov 01; 73(11):1334-1341.
    View in: PubMed
    Score: 0.178
  3. Maternal dementia age at onset in relation to amyloid burden in non-demented elderly offspring. Neurobiol Aging. 2016 Apr; 40:61-67.
    View in: PubMed
    Score: 0.168
  4. Cognitive activity relates to cognitive performance but not to Alzheimer disease biomarkers. Neurology. 2015 Jul 07; 85(1):48-55.
    View in: PubMed
    Score: 0.162
  5. Cognition, reserve, and amyloid deposition in normal aging. Ann Neurol. 2010 Mar; 67(3):353-64.
    View in: PubMed
    Score: 0.112
  6. 18F-AV-1451 positron emission tomography in neuropathological substrates of corticobasal syndrome. Brain. 2021 02 12; 144(1):266-277.
    View in: PubMed
    Score: 0.060
  7. The neurophysiology and seizure outcomes of late onset unexplained epilepsy. Clin Neurophysiol. 2020 11; 131(11):2667-2672.
    View in: PubMed
    Score: 0.058
  8. Longitudinal Association of Depression Symptoms With Cognition and Cortical Amyloid Among Community-Dwelling Older Adults. JAMA Netw Open. 2019 08 02; 2(8):e198964.
    View in: PubMed
    Score: 0.054
  9. Measuring instrumental activities of daily living in non-demented elderly: a comparison of the new performance-based Harvard Automated Phone Task with other functional assessments. Alzheimers Res Ther. 2019 01 10; 11(1):4.
    View in: PubMed
    Score: 0.052
  10. Longitudinal Association of Amyloid Beta and Anxious-Depressive Symptoms in Cognitively Normal Older Adults. Am J Psychiatry. 2018 06 01; 175(6):530-537.
    View in: PubMed
    Score: 0.048
  11. Regional 18F-Fluorodeoxyglucose Hypometabolism is Associated with Higher Apathy Scores Over Time in Early Alzheimer Disease. Am J Geriatr Psychiatry. 2017 Jul; 25(7):683-693.
    View in: PubMed
    Score: 0.045
  12. Depressive Symptoms and Tau Accumulation in the Inferior Temporal Lobe and Entorhinal Cortex in Cognitively Normal Older Adults: A Pilot Study. J Alzheimers Dis. 2017; 59(3):975-985.
    View in: PubMed
    Score: 0.045
  13. Activities of daily living measured by the Harvard Automated Phone Task track with cognitive decline over time in non-demented elderly. J Prev Alzheimers Dis. 2017; 4(2):81-86.
    View in: PubMed
    Score: 0.045
  14. PET Radioligands Reveal the Basis of Dementia in Parkinson's Disease and Dementia with Lewy Bodies. Neurodegener Dis. 2016; 16(1-2):118-24.
    View in: PubMed
    Score: 0.042
  15. The Apathy Evaluation Scale: A Comparison of Subject, Informant, and Clinician Report in Cognitively Normal Elderly and Mild Cognitive Impairment. J Alzheimers Dis. 2015; 47(2):421-32.
    View in: PubMed
    Score: 0.039
  16. Functional Activities Questionnaire Items that Best Discriminate and Predict Progression from Clinically Normal to Mild Cognitive Impairment. Curr Alzheimer Res. 2015; 12(5):493-502.
    View in: PubMed
    Score: 0.039
  17. Vascular disease and risk factors are associated with cognitive decline in the alzheimer disease spectrum. Alzheimer Dis Assoc Disord. 2015 Jan-Mar; 29(1):18-25.
    View in: PubMed
    Score: 0.039
  18. Striatal and extrastriatal dopamine transporter levels relate to cognition in Lewy body diseases: an (11)C altropane positron emission tomography study. Alzheimers Res Ther. 2014; 6(5-8):52.
    View in: PubMed
    Score: 0.038
  19. Subjective cognitive concerns and neuropsychiatric predictors of progression to the early clinical stages of Alzheimer disease. Am J Geriatr Psychiatry. 2014 Dec; 22(12):1642-51.
    View in: PubMed
    Score: 0.037
  20. Regional cortical thinning and cerebrospinal biomarkers predict worsening daily functioning across the Alzheimer's disease spectrum. J Alzheimers Dis. 2014; 41(3):719-28.
    View in: PubMed
    Score: 0.037
  21. Regional fluorodeoxyglucose metabolism and instrumental activities of daily living across the Alzheimer's disease spectrum. J Alzheimers Dis. 2014; 42(1):291-300.
    View in: PubMed
    Score: 0.037
  22. SIST-M-IR activities of daily living items that best discriminate clinically normal elderly from those with mild cognitive impairment. Curr Alzheimer Res. 2014; 11(8):785-91.
    View in: PubMed
    Score: 0.037
  23. Everyday cognition scale items that best discriminate between and predict progression from clinically normal to mild cognitive impairment. Curr Alzheimer Res. 2014; 11(9):853-61.
    View in: PubMed
    Score: 0.037
  24. Regional cortical thinning predicts worsening apathy and hallucinations across the Alzheimer disease spectrum. Am J Geriatr Psychiatry. 2014 Nov; 22(11):1168-79.
    View in: PubMed
    Score: 0.036
  25. Amyloid is linked to cognitive decline in patients with Parkinson disease without dementia. Neurology. 2013 Jan 01; 80(1):85-91.
    View in: PubMed
    Score: 0.034
  26. Neuropsychiatric symptoms and global functional impairment along the Alzheimer's continuum. Dement Geriatr Cogn Disord. 2012; 34(2):96-111.
    View in: PubMed
    Score: 0.033
  27. Brain amyloid and cognition in Lewy body diseases. Mov Disord. 2012 Jul; 27(8):965-73.
    View in: PubMed
    Score: 0.033
  28. Executive function and instrumental activities of daily living in mild cognitive impairment and Alzheimer's disease. Alzheimers Dement. 2011 May; 7(3):300-8.
    View in: PubMed
    Score: 0.030
Connection Strength
The connection strength for co-authors is the sum of the scores for each of their shared publications.

Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.
Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.