Article (Scientific journals)
Empirical facts from search for replicable associations between cortical thickness and psychometric variables in healthy adults.
Kharabian Masouleh, Shahrzad; Eickhoff, Simon B; Maleki Balajoo, Somayeh et al.
2022In Scientific Reports, 12 (1), p. 13286
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Keywords :
Brain; Brain Mapping; Gray Matter/diagnostic imaging; Humans; Magnetic Resonance Imaging; Psychometrics; Young Adult
Abstract :
[en] The study of associations between inter-individual differences in brain structure and behaviour has a long history in psychology and neuroscience. Many associations between psychometric data, particularly intelligence and personality measures and local variations of brain structure have been reported. While the impact of such reported associations often goes beyond scientific communities, resonating in the public mind, their replicability is rarely evidenced. Previously, we have shown that associations between psychometric measures and estimates of grey matter volume (GMV) result in rarely replicated findings across large samples of healthy adults. However, the question remains if these observations are at least partly linked to the multidetermined nature of the variations in GMV, particularly within samples with wide age-range. Therefore, here we extended those evaluations and empirically investigated the replicability of associations of a broad range of psychometric variables and cortical thickness in a large cohort of healthy young adults. In line with our observations with GMV, our current analyses revealed low likelihood of significant associations and their rare replication across independent samples. We here discuss the implications of these findings within the context of accumulating evidence of the general poor replicability of structural-brain-behaviour associations, and more broadly of the replication crisis.
Disciplines :
Neurosciences & behavior
Author, co-author :
Kharabian Masouleh, Shahrzad;  Institute of Neuroscience and Medicine (INM-7: Brain and Behaviour), Research  ; Institute of Systems Neuroscience, Heinrich Heine University Düsseldorf,
Eickhoff, Simon B;  Institute of Neuroscience and Medicine (INM-7: Brain and Behaviour), Research  ; Institute of Systems Neuroscience, Heinrich Heine University Düsseldorf,
Maleki Balajoo, Somayeh;  Institute of Neuroscience and Medicine (INM-7: Brain and Behaviour), Research  ; Institute of Systems Neuroscience, Heinrich Heine University Düsseldorf,
Nicolaisen-Sobesky, Eliana;  Institute of Neuroscience and Medicine (INM-7: Brain and Behaviour), Research  ; Institute of Systems Neuroscience, Heinrich Heine University Düsseldorf,
Thirion, Bertrand;  Inria, CEA, Université Paris-Saclay, Palaiseau, France.
Genon, Sarah ;  Université de Liège - ULiège > Département des sciences cliniques > Neuroimagerie des troubles de la mémoire et revalidation cognitive ; Institute of Neuroscience and Medicine (INM-7: Brain and Behaviour), Research  ; Institute of Systems Neuroscience, Heinrich Heine University Düsseldorf,
Language :
English
Title :
Empirical facts from search for replicable associations between cortical thickness and psychometric variables in healthy adults.
Publication date :
02 August 2022
Journal title :
Scientific Reports
eISSN :
2045-2322
Publisher :
Nature Publishing Group, London, Gb
Volume :
12
Issue :
1
Pages :
13286
Peer reviewed :
Peer Reviewed verified by ORBi
Funding number :
816/4-1/Deutsche Forschungsgemeinschaft/; 2835/1-1/Deutsche Forschungsgemeinschaft/; 785907/Horizon 2020 Framework Programme/
Commentary :
© 2022. The Author(s).
Available on ORBi :
since 29 August 2022

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