Article (Scientific journals)
Cross-cohort replicability and generalizability of connectivity-based psychometric prediction patterns.
Wu, Jianxiao; Li, Jingwei; Eickhoff, Simon B et al.
2022In NeuroImage, 262, p. 119569
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Keywords :
Behavior prediction; Brain-behavior relationships; Fluid intelligence; Generalizability; Machine learning; Resting-state functional connectivity
Abstract :
[en] An increasing number of studies have investigated the relationships between inter-individual variability in brain regions' connectivity and behavioral phenotypes, making use of large population neuroimaging datasets. However, the replicability of brain-behavior associations identified by these approaches remains an open question. In this study, we examined the cross-dataset replicability of brain-behavior association patterns for fluid cognition and openness predictions using a previously developed region-wise approach, as well as using a standard whole-brain approach. Overall, we found moderate similarity in patterns for fluid cognition predictions across cohorts, especially in the Human Connectome Project Young Adult, Human Connectome Project Aging, and Enhanced Nathan Kline Institute Rockland Sample cohorts, but low similarity in patterns for openness predictions. In addition, we assessed the generalizability of prediction models in cross-dataset predictions, by training the model in one dataset and testing in another. Making use of the region-wise prediction approach, we showed that first, a moderate extent of generalizability could be achieved with fluid cognition prediction, and that, second, a set of common brain regions related to fluid cognition across cohorts could be identified. Nevertheless, the moderate replicability and generalizability could only be achieved in specific contexts. Thus, we argue that replicability and generalizability in connectivity-based prediction remain limited and deserve greater attention in future studies.
Disciplines :
Neurosciences & behavior
Author, co-author :
Wu, Jianxiao;  Institute for Systems Neuroscience, Medical Faculty, Heinrich-Heine University
Li, Jingwei;  Institute for Systems Neuroscience, Medical Faculty, Heinrich-Heine University
Eickhoff, Simon B;  Institute for Systems Neuroscience, Medical Faculty, Heinrich-Heine University
Hoffstaedter, Felix;  Institute for Systems Neuroscience, Medical Faculty, Heinrich-Heine University
Hanke, Michael;  Institute for Systems Neuroscience, Medical Faculty, Heinrich-Heine University
Yeo, B T Thomas;  Department of Electrical and Computer Engineering, National University of
Genon, Sarah ;  Université de Liège - ULiège > Département des sciences cliniques > Neuroimagerie des troubles de la mémoire et revalidation cognitive ; Institute for Systems Neuroscience, Medical Faculty, Heinrich-Heine University
Language :
English
Title :
Cross-cohort replicability and generalizability of connectivity-based psychometric prediction patterns.
Publication date :
17 August 2022
Journal title :
NeuroImage
ISSN :
1053-8119
eISSN :
1095-9572
Publisher :
Elsevier, Amsterdam, Nl
Volume :
262
Pages :
119569
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
Copyright © 2022. Published by Elsevier Inc.
Available on ORBi :
since 29 August 2022

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