Cited by 359Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsCancer-related cognitive impairment studies

Atrophy of the medial occipitotemporal, inferior, and middle temporal gyri in non-demented elderly predict decline to Alzheimer’s disease☆

Convit, A, de Asis, J, de Leon, M.J, Tarshish, C.Y, De Santi, S, Rusinek, H·2000·Neurobiology of Aging

Abstract

Our goal was to ascertain, among normal elderly and individuals with mild cognitive impairment, which temporal lobe neocortical regions predicted decline to dementia of the Alzheimer's type (DAT). Individuals received an MRI at baseline and a clinical and cognitive evaluation at baseline and follow-up. By using the baseline MRI we assessed the anatomical subdivisions of the temporal lobe: anteromedial temporal lobe (hippocampus and parahippocampal gyrus), medial occipitotemporal (fusiform) gyrus, middle and inferior temporal gyri, and superior temporal gyrus. We studied two groups of carefully screened age- and education-matched elderly individuals: 26 normal elderly (NL) and 20 individuals with mild cognitive impairment (MCI). Fourteen individuals (12 from the MCI group and two from the NL group) declined to DAT within the 3.2-year follow-up interval. We used logistic regression analyses to ascertain whether the baseline brain volumes were useful predictors of decline to DAT at follow-up after accounting for age, gender, individual differences in brain size, and other variables known to predict DAT. After accounting for age, gender, and head size, adding the volume of the anteromedial temporal lobe (the aggregate of hippocampus and parahippocampal gyrus) and an index of global atrophy raised the accuracy of overall classification to 80.4%. However, the ability to detect those individuals who declined (sensitivity) was low at 57%. When baseline medial occipitotemporal and the combined middle and inferior temporal gyri were added to the logistic model, the overall classification accuracy reached 95.6% and, most importantly, the sensitivity rose to 92.8%. These data indicate that the medial occipitotemporal and the combined middle and inferior temporal gyri may be the first temporal lobe neocortical sites affected in AD; atrophy in these areas may herald the presence of future AD among nondemented individuals. No other clinical baseline variables examined predicted decline with sensitivities above 71%. The apolipoprotein APOE epsilon4 genotype was not associated with decline.

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Crossref · 10.1016/s0197-4580(99)00107-4

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Authors
Convit, A., de Asis, J., de Leon, M. J., Tarshish, C. Y., De Santi, S., & Rusinek, H.
Affiliations
  • Nathan Kline Institute for Psychiatric Research (US)
  • NYU Langone Health (US)
Corresponding author
Convit, A
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2000-01
Volume
21
Issue
1
Pages
19-26
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2148046162
Cited by
359
References
46
Citations by year
2026: 7 · 2025: 19 · 2024: 16 · 2023: 10 · 2022: 11 · 2021: 15 · 2020: 14 · 2019: 26 · 2018: 14 · 2017: 5 · 2016: 10 · 2015: 14 · 2014: 17 · 2013: 13 · 2012: 14
FWCI
8.60
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Aging (P30 AG 08051, AG 12101, P30AG008051, R01AG013616, AG 13616)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cancer-related cognitive impairment studies
Keywords
Alzheimer's disease, mild cognitive impairment, inferior temporal gyrus, middle temporal gyrus, temporal lobe atrophy, hippocampus, parahippocampal gyrus, dementia prediction, brain volume, APOE ε4, non-demented elderly
MeSH terms
Age Factors, Aged, Alzheimer Disease, Atrophy, Cognition Disorders, Female, Follow-Up Studies, Hippocampus, Humans, Magnetic Resonance Imaging, Male, Neuropsychological Tests, Severity of Illness Index, Sex Factors, Temporal Lobe, Multivariate Analysis, Parahippocampal Gyrus

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