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 Rebecca Amariglio.
Connection Strength

5.075
  1. Unsupervised mobile cognitive testing for use in preclinical Alzheimer's disease. Alzheimers Dement (Amst). 2021; 13(1):e12243.
    View in: PubMed
    Score: 0.247
  2. 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: 0.223
  3. Examining Cognitive Decline Across Black and White Participants in the Harvard Aging Brain Study. J Alzheimers Dis. 2020; 75(4):1437-1446.
    View in: PubMed
    Score: 0.219
  4. Using subjective cognitive decline to identify high global amyloid in community-based samples: A cross-cohort study. Alzheimers Dement (Amst). 2019 Dec; 11:670-678.
    View in: PubMed
    Score: 0.215
  5. 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
  6. 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
  7. Amyloid-associated increases in longitudinal report of subjective cognitive complaints. Alzheimers Dement (N Y). 2018; 4:444-449.
    View in: PubMed
    Score: 0.200
  8. Structural tract alterations predict downstream tau accumulation in amyloid-positive older individuals. Nat Neurosci. 2018 03; 21(3):424-431.
    View in: PubMed
    Score: 0.192
  9. Region-Specific Association of Subjective Cognitive Decline With Tauopathy Independent of Global ß-Amyloid Burden. JAMA Neurol. 2017 12 01; 74(12):1455-1463.
    View in: PubMed
    Score: 0.190
  10. The influence of demographic factors on subjective cognitive concerns and beta-amyloid. Int Psychogeriatr. 2017 04; 29(4):645-652.
    View in: PubMed
    Score: 0.175
  11. A Conceptualization of the Utility of Subjective Cognitive Decline in Clinical Trials of Preclinical Alzheimer's Disease. J Mol Neurosci. 2016 Nov; 60(3):354-361.
    View in: PubMed
    Score: 0.173
  12. 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
  13. Cognitive activity relates to cognitive performance but not to Alzheimer disease biomarkers. Neurology. 2015 Jul 07; 85(1):48-55.
    View in: PubMed
    Score: 0.160
  14. Subjective cognitive concerns, amyloid-ß, and neurodegeneration in clinically normal elderly. Neurology. 2015 Jul 07; 85(1):56-62.
    View in: PubMed
    Score: 0.160
  15. Apathy is associated with increased amyloid burden in mild cognitive impairment. J Neuropsychiatry Clin Neurosci. 2013; 25(4):302-7.
    View in: PubMed
    Score: 0.135
  16. Subjective cognitive complaints and amyloid burden in cognitively normal older individuals. Neuropsychologia. 2012 Oct; 50(12):2880-2886.
    View in: PubMed
    Score: 0.132
  17. Association of cortical microstructure with amyloid-ß and tau: impact on cognitive decline, neurodegeneration, and clinical progression in older adults. Mol Psychiatry. 2021 Sep 29.
    View in: PubMed
    Score: 0.062
  18. Diminished Learning Over Repeated Exposures (LORE) in preclinical Alzheimer's disease. Alzheimers Dement (Amst). 2020; 12(1):e12132.
    View in: PubMed
    Score: 0.059
  19. Instrumental activities of daily living, amyloid, and cognition in cognitively normal older adults screening for the A4 Study. Alzheimers Dement (Amst). 2020; 12(1):e12118.
    View in: PubMed
    Score: 0.058
  20. Decline in cognitively complex everyday activities accelerates along the Alzheimer's disease continuum. Alzheimers Res Ther. 2020 10 29; 12(1):138.
    View in: PubMed
    Score: 0.058
  21. Identifying Sensitive Measures of Cognitive Decline at Different Clinical Stages of Alzheimer's Disease. J Int Neuropsychol Soc. 2021 05; 27(5):426-438.
    View in: PubMed
    Score: 0.058
  22. The Latin American Spanish version of the Face-Name Associative Memory Exam is sensitive to cognitive and pathological changes in preclinical autosomal dominant Alzheimer's disease. Alzheimers Res Ther. 2020 09 10; 12(1):104.
    View in: PubMed
    Score: 0.057
  23. Sex Mediates Relationships Between Regional Tau Pathology and Cognitive Decline. Ann Neurol. 2020 11; 88(5):921-932.
    View in: PubMed
    Score: 0.057
  24. Multiple markers contribute to risk of progression from normal to mild cognitive impairment. Neuroimage Clin. 2020; 28:102400.
    View in: PubMed
    Score: 0.057
  25. Clinical meaningfulness of subtle cognitive decline on longitudinal testing in preclinical AD. Alzheimers Dement. 2020 03; 16(3):552-560.
    View in: PubMed
    Score: 0.055
  26. Association of subjective cognitive decline with markers of brain pathology in preclinical autosomal dominant Alzheimer's disease. J Neurol Neurosurg Psychiatry. 2020 03; 91(3):330-332.
    View in: PubMed
    Score: 0.055
  27. Decreased meta-memory is associated with early tauopathy in cognitively unimpaired older adults. Neuroimage Clin. 2019; 24:102097.
    View in: PubMed
    Score: 0.054
  28. 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: 0.053
  29. 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
  30. Inferior and medial temporal tau and cortical amyloid are associated with daily functional impairment in Alzheimer's disease. Alzheimers Res Ther. 2019 01 31; 11(1):14.
    View in: PubMed
    Score: 0.051
  31. 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: 0.051
  32. 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
  33. 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
  34. PET staging of amyloidosis using striatum. Alzheimers Dement. 2018 10; 14(10):1281-1292.
    View in: PubMed
    Score: 0.049
  35. Anosognosia for memory deficits in mild cognitive impairment: Insight into the neural mechanism using functional and molecular imaging. Neuroimage Clin. 2017; 15:408-414.
    View in: PubMed
    Score: 0.046
  36. Hippocampal hypometabolism in older adults with memory complaints and increased amyloid burden. Neurology. 2017 May 02; 88(18):1759-1767.
    View in: PubMed
    Score: 0.045
  37. 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
  38. Cued memory decline in biomarker-defined preclinical Alzheimer disease. Neurology. 2017 Apr 11; 88(15):1431-1438.
    View in: PubMed
    Score: 0.045
  39. 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
  40. 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
  41. 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
  42. Association of Higher Cortical Amyloid Burden With Loneliness in Cognitively Normal Older Adults. JAMA Psychiatry. 2016 Dec 01; 73(12):1230-1237.
    View in: PubMed
    Score: 0.044
  43. Heterogeneity in Suspected Non-Alzheimer Disease Pathophysiology Among Clinically Normal Older Individuals. JAMA Neurol. 2016 Oct 01; 73(10):1185-1191.
    View in: PubMed
    Score: 0.044
  44. Lower Late-Life Body-Mass Index is Associated with Higher Cortical Amyloid Burden in Clinically Normal Elderly. J Alzheimers Dis. 2016 06 18; 53(3):1097-105.
    View in: PubMed
    Score: 0.043
  45. The Harvard Automated Phone Task: new performance-based activities of daily living tests for early Alzheimer's disease. J Prev Alzheimers Dis. 2015 Dec; 2(4):242-253.
    View in: PubMed
    Score: 0.041
  46. Biomarker validation of a decline in semantic processing in preclinical Alzheimer's disease. Neuropsychology. 2016 07; 30(5):624-30.
    View in: PubMed
    Score: 0.041
  47. Free and cued memory in relation to biomarker-defined abnormalities in clinically normal older adults and those at risk for Alzheimer's disease. Neuropsychologia. 2015 Jul; 73:169-75.
    View in: PubMed
    Score: 0.040
  48. Odor identification and Alzheimer disease biomarkers in clinically normal elderly. Neurology. 2015 May 26; 84(21):2153-60.
    View in: PubMed
    Score: 0.040
  49. Harvard Aging Brain Study: Dataset and accessibility. Neuroimage. 2017 01; 144(Pt B):255-258.
    View in: PubMed
    Score: 0.039
  50. Amyloid-ß deposition in mild cognitive impairment is associated with increased hippocampal activity, atrophy and clinical progression. Brain. 2015 Apr; 138(Pt 4):1023-35.
    View in: PubMed
    Score: 0.039
  51. Depressive Symptoms and Biomarkers of Alzheimer's Disease in Cognitively Normal Older Adults. J Alzheimers Dis. 2015; 46(1):63-73.
    View in: PubMed
    Score: 0.039
  52. Neuropsychiatric Symptoms and Functional Connectivity in Mild Cognitive Impairment. J Alzheimers Dis. 2015; 46(3):727-35.
    View in: PubMed
    Score: 0.039
  53. 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
  54. 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
  55. Apathy is associated with lower inferior temporal cortical thickness in mild cognitive impairment and normal elderly individuals. J Neuropsychiatry Clin Neurosci. 2015; 27(1):e22-7.
    View in: PubMed
    Score: 0.038
  56. Synergistic effect of ß-amyloid and neurodegeneration on cognitive decline in clinically normal individuals. JAMA Neurol. 2014 Nov; 71(11):1379-85.
    View in: PubMed
    Score: 0.038
  57. 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
  58. 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: 0.036
  59. 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: 0.036
  60. Cognitive profile of amyloid burden and white matter hyperintensities in cognitively normal older adults. J Neurosci. 2012 Nov 14; 32(46):16233-42.
    View in: PubMed
    Score: 0.033
  61. Face-name associative memory performance is related to amyloid burden in normal elderly. Neuropsychologia. 2011 Jul; 49(9):2776-83.
    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.