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 Jasmeer Chhatwal.
Connection Strength

4.989
  1. Temporal T807 binding correlates with CSF tau and phospho-tau in normal elderly. Neurology. 2016 Aug 30; 87(9):920-6.
    View in: PubMed
    Score: 0.691
  2. Plasma N-terminal tau fragment levels predict future cognitive decline and neurodegeneration in healthy elderly individuals. Nat Commun. 2020 11 27; 11(1):6024.
    View in: PubMed
    Score: 0.233
  3. Longitudinal degradation of the default/salience network axis in symptomatic individuals with elevated amyloid burden. Neuroimage Clin. 2020; 26:102052.
    View in: PubMed
    Score: 0.216
  4. Associations of Physical Activity and ß-Amyloid With Longitudinal Cognition and Neurodegeneration in Clinically Normal Older Adults. JAMA Neurol. 2019 Oct 01; 76(10):1203-1210.
    View in: PubMed
    Score: 0.215
  5. Association of Amyloid and Tau With Cognition in Preclinical Alzheimer Disease: A Longitudinal Study. JAMA Neurol. 2019 Aug 01; 76(8):915-924.
    View in: PubMed
    Score: 0.213
  6. Anticholinergic Amnesia is Mediated by Alterations in Human Network Connectivity Architecture. Cereb Cortex. 2019 07 22; 29(8):3445-3456.
    View in: PubMed
    Score: 0.212
  7. The impact of amyloid-beta and tau on prospective cognitive decline in older individuals. Ann Neurol. 2019 02; 85(2):181-193.
    View in: PubMed
    Score: 0.205
  8. Vascular Risk and ß-Amyloid Are Synergistically Associated with Cortical Tau. Ann Neurol. 2019 02; 85(2):272-279.
    View in: PubMed
    Score: 0.205
  9. Regional Tau Correlates of Instrumental Activities of Daily Living and Apathy in Mild Cognitive Impairment and Alzheimer's Disease Dementia. J Alzheimers Dis. 2019; 67(2):757-768.
    View in: PubMed
    Score: 0.204
  10. Interactive Associations of Vascular Risk and ß-Amyloid Burden With Cognitive Decline in Clinically Normal Elderly Individuals: Findings From the Harvard Aging Brain Study. JAMA Neurol. 2018 09 01; 75(9):1124-1131.
    View in: PubMed
    Score: 0.200
  11. Preferential degradation of cognitive networks differentiates Alzheimer's disease from ageing. Brain. 2018 05 01; 141(5):1486-1500.
    View in: PubMed
    Score: 0.195
  12. Hierarchical Organization of Tau and Amyloid Deposits in the Cerebral Cortex. JAMA Neurol. 2017 07 01; 74(7):813-820.
    View in: PubMed
    Score: 0.184
  13. Functional network integrity presages cognitive decline in preclinical Alzheimer disease. Neurology. 2017 Jul 04; 89(1):29-37.
    View in: PubMed
    Score: 0.183
  14. Fluorodeoxyglucose metabolism associated with tau-amyloid interaction predicts memory decline. Ann Neurol. 2017 Apr; 81(4):583-596.
    View in: PubMed
    Score: 0.181
  15. In Vivo Tau, Amyloid, and Gray Matter Profiles in the Aging Brain. J Neurosci. 2016 07 13; 36(28):7364-74.
    View in: PubMed
    Score: 0.172
  16. Tau positron emission tomographic imaging in aging and early Alzheimer disease. Ann Neurol. 2016 Jan; 79(1):110-9.
    View in: PubMed
    Score: 0.166
  17. Impaired default network functional connectivity in autosomal dominant Alzheimer disease. Neurology. 2013 Aug 20; 81(8):736-44.
    View in: PubMed
    Score: 0.140
  18. Plasma IL-12/IFN-? axis predicts cognitive trajectories in cognitively unimpaired older adults. Alzheimers Dement. 2021 Jun 23.
    View in: PubMed
    Score: 0.061
  19. Longitudinal Accumulation of Cerebral Microhemorrhages in Dominantly Inherited Alzheimer Disease. Neurology. 2021 03 23; 96(12):e1632-e1645.
    View in: PubMed
    Score: 0.059
  20. The neurophysiology and seizure outcomes of late onset unexplained epilepsy. Clin Neurophysiol. 2020 11; 131(11):2667-2672.
    View in: PubMed
    Score: 0.058
  21. Resting-state functional connectivity and amyloid burden influence longitudinal cortical thinning in the default mode network in preclinical Alzheimer's disease. Neuroimage Clin. 2020; 28:102407.
    View in: PubMed
    Score: 0.057
  22. Serum neurofilament light chain levels are associated with white matter integrity in autosomal dominant Alzheimer's disease. Neurobiol Dis. 2020 08; 142:104960.
    View in: PubMed
    Score: 0.056
  23. Inferior temporal tau is associated with accelerated prospective cortical thinning in clinically normal older adults. Neuroimage. 2020 10 15; 220:116991.
    View in: PubMed
    Score: 0.056
  24. Amyloid-beta burden predicts prospective decline in body mass index in clinically normal adults. Neurobiol Aging. 2020 09; 93:124-130.
    View in: PubMed
    Score: 0.055
  25. Amyloid imaging of dutch-type hereditary cerebral amyloid angiopathy carriers. Ann Neurol. 2019 10; 86(4):616-625.
    View in: PubMed
    Score: 0.053
  26. Sex Differences in the Association of Global Amyloid and Regional Tau Deposition Measured by Positron Emission Tomography in Clinically Normal Older Adults. JAMA Neurol. 2019 05 01; 76(5):542-551.
    View in: PubMed
    Score: 0.052
  27. Associations between baseline amyloid, sex, and APOE on subsequent tau accumulation in cerebrospinal fluid. Neurobiol Aging. 2019 06; 78:178-185.
    View in: PubMed
    Score: 0.052
  28. An UNC5C Allele Predicts Cognitive Decline and Hippocampal Atrophy in Clinically Normal Older Adults. J Alzheimers Dis. 2019; 68(3):1161-1170.
    View in: PubMed
    Score: 0.051
  29. Tau Accumulation in Clinically Normal Older Adults Is Associated with Hippocampal Hyperactivity. J Neurosci. 2019 01 16; 39(3):548-556.
    View in: PubMed
    Score: 0.051
  30. Nonlinear Distributional Mapping (NoDiM) for harmonization across amyloid-PET radiotracers. Neuroimage. 2019 02 01; 186:446-454.
    View in: PubMed
    Score: 0.051
  31. Sex, amyloid, and APOE e4 and risk of cognitive decline in preclinical Alzheimer's disease: Findings from three well-characterized cohorts. Alzheimers Dement. 2018 09; 14(9):1193-1203.
    View in: PubMed
    Score: 0.049
  32. PET staging of amyloidosis using striatum. Alzheimers Dement. 2018 10; 14(10):1281-1292.
    View in: PubMed
    Score: 0.049
  33. White matter hyperintensities and the mediating role of cerebral amyloid angiopathy in dominantly-inherited Alzheimer's disease. PLoS One. 2018; 13(5):e0195838.
    View in: PubMed
    Score: 0.049
  34. The association between tau PET and retrospective cortical thinning in clinically normal elderly. Neuroimage. 2017 08 15; 157:612-622.
    View in: PubMed
    Score: 0.046
  35. Memory self-awareness in the preclinical and prodromal stages of Alzheimer's disease. Neuropsychologia. 2017 05; 99:343-349.
    View in: PubMed
    Score: 0.045
  36. Phases of Hyperconnectivity and Hypoconnectivity in the Default Mode and Salience Networks Track with Amyloid and Tau in Clinically Normal Individuals. J Neurosci. 2017 04 19; 37(16):4323-4331.
    View in: PubMed
    Score: 0.045
  37. Early and late change on the preclinical Alzheimer's cognitive composite in clinically normal older individuals with elevated amyloid ß. Alzheimers Dement. 2017 Sep; 13(9):1004-1012.
    View in: PubMed
    Score: 0.045
  38. 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
  39. Alzheimer's Disease Biomarkers and Future Decline in Cognitive Normal Older Adults. J Alzheimers Dis. 2017; 60(4):1451-1459.
    View in: PubMed
    Score: 0.045
  40. Massachusetts Alzheimer's Disease Research Center: progress and challenges. Alzheimers Dement. 2015 Oct; 11(10):1241-5.
    View in: PubMed
    Score: 0.040
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.