Changes in pairwise functional connectivity associated with changes in cognitive performance in cognitively normal older individuals: A two-year observational study.
Cognitive change
Cognitively normal
Default mode network
Resting-state functional magnetic resonance imaging
Salience network
Journal
Neuroscience letters
ISSN: 1872-7972
Titre abrégé: Neurosci Lett
Pays: Ireland
ID NLM: 7600130
Informations de publication
Date de publication:
11 06 2022
11 06 2022
Historique:
received:
07
12
2021
revised:
15
03
2022
accepted:
03
04
2022
pubmed:
11
4
2022
medline:
15
6
2022
entrez:
10
4
2022
Statut:
ppublish
Résumé
Neurobiological substrates of cognitive decline in cognitively normal older individuals have been investigated by resting-state functional magnetic resonance imaging, but little is known about the relationship between longitudinal changes in the whole brain. In this study, we examined two-year changes in functional connectivity among 80 gray matter areas and investigated the relationship to two-year changes in cognitive performance. A cross-validated permutation variable importance measure was applied to select features related to a change in cognitive performance. Age-corrected changes in eleven pairs of functional connections were selected as important features, all related to brain areas that belong to the default mode network. A linear regression model with cross-validation demonstrated a mean correlation coefficient of 0.55 between measured and predicted changes in the cognitive composite score. These results suggest that intra- and inter-network connections in the default mode network are associated with cognitive changes over two years among cognitively normal individuals.
Identifiants
pubmed: 35398188
pii: S0304-3940(22)00175-6
doi: 10.1016/j.neulet.2022.136618
pmc: PMC9990522
mid: NIHMS1868880
pii:
doi:
Types de publication
Journal Article
Observational Study
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
136618Subventions
Organisme : NIA NIH HHS
ID : P30 AG066507
Pays : United States
Organisme : NINDS NIH HHS
ID : R01 NS084957
Pays : United States
Organisme : NIA NIH HHS
ID : U19 AG033655
Pays : United States
Informations de copyright
Copyright © 2022 Elsevier B.V. All rights reserved.
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