- Abstract:
-
MRI scans measured white matter lesion prevalence (WMLP) in 65 people ages 65-84 years who also took 17 cognitive tests: 3 tests of general fluid intelligence, 3 of vocabulary, 2 of episodic and 3 of working memory, 2 of processing speed, and 4 of frontal and executive function. Entry of age with WMLP into regression equations as predictors of test scores showed that inferences about the functional relationships between markers of brain aging and cognitive impairments are seriously misleading...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1037/0894-4105.21.3.363
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- Journal:
- Neuropsychology
- Volume:
- 21
- Issue:
- 3
- Pages:
- 363-370
- Publication date:
- 2007-05-05
- DOI:
- EISSN:
-
1931-1559
- ISSN:
-
0894-4105
- URN:
-
uuid:dfc5e3db-3dcb-41ae-a384-518f49bb304d
- Source identifiers:
-
4583
- Local pid:
- pubs:4583
- Copyright date:
- 2007
Journal article
White matter lesions account for all age-related declines in speed but not in intelligence.
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