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Selective Association between Cortical Thickness and Reference Abilities in Normal Aging

Seonjoo Lee; Christian G. Habeck; Qolamreza R. Razlighi; Timothy Salthouse; Yaakov Stern

Title:
Selective Association between Cortical Thickness and Reference Abilities in Normal Aging
Author(s):
Lee, Seonjoo
Habeck, Christian G.
Razlighi, Qolamreza R.
Salthouse, Timothy
Stern, Yaakov
Date:
Type:
Articles
Department(s):
Neurology
Volume:
142
Persistent URL:
Book/Journal Title:
Neuroimage
Abstract:
A previous study of reference abilities and cortical thickness reported that association between reference abilities and cortical thickness summarized over large ROIs suppressed was suppressed after controlling for mean cortical thickness and global cognition. In this manuscript, we showed that preserving detailed spatial patterns of cortical thickness can identify reference-ability-specific association besides the association explained by global cognition and mean cortical thickness. We identified associations between cortical thickness and 3 cognitive reference abilities after controlling for mean thickness, global cognition, and linear chronological age: (1) memory, (2) perceptual speed, and (3) vocabulary. Global cognition was correlated with mean overall thickness but also was found to have a regionally specific pattern of associations. Nonlinear associations between cortical thickness and cognition were not observed, neither were nonlinear age effects. Age-by-thickness interactions were also absent. This implies that all thickness-cognition relations and age associations are independent of age and that consequently no age range is inherently special, since brain-behavioral findings are invariant across the whole age range.
Subject(s):
Neurosciences
Aging
Cerebral cortex
Cognition--Age factors
Principal components analysis
Publisher DOI:
https://doi.org/10.1016/j.neuroimage.2016.06.041
Item views
28
Metadata:
text | xml
Suggested Citation:
Seonjoo Lee, Christian G. Habeck, Qolamreza R. Razlighi, Timothy Salthouse, Yaakov Stern, , Selective Association between Cortical Thickness and Reference Abilities in Normal Aging, Columbia University Academic Commons, .

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