Hauptseite > Publikationsdatenbank > Interindividual differences in matrix reasoning are linked to functional connectivity between brain regions nominated by Parieto-Frontal Integration Theory > print

001     893932
005     20210930133539.0
024 7 _ |a 10.1016/j.intell.2021.101545
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024 7 _ |a 0160-2896
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024 7 _ |a 1873-7935
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024 7 _ |a 2128/28660
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037 _ _ |a FZJ-2021-02942
082 _ _ |a 150
100 1 _ |a Fraenz, Christoph
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|e Corresponding author
245 _ _ |a Interindividual differences in matrix reasoning are linked to functional connectivity between brain regions nominated by Parieto-Frontal Integration Theory
260 _ _ |a Greenwich, Conn.
|c 2021
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500 _ _ |a This work was supported by the following grants: GU 227/16-1; GE 2777/2-1; An-2015-0044 and 1U54MH091657
520 _ _ |a The Parieto-Frontal Integration Theory (P-FIT) predicts that human intelligence is closely linked to structural and functional properties of several brain regions mainly located in the parietal and frontal cortices. It also proposes that solving abstract reasoning tasks involves multiple processing stages and thus requires the harmonic interplay of these brain regions. However, empirical studies directly investigating the relationship between intellectual performance and the strength of individual functional connections related to the P-FIT network are scarce. Here we demonstrate, in two independent samples comprising a total of 1489 healthy individuals, that fMRI resting- state connectivity, especially between P-FIT regions, is associated with interindividual differences in matrix reasoning performance. Interestingly, respective associations were only present in the overall samples and the female subsamples but not in the male subsamples, indicating a sex-specific effect. We found five statistically significant connections which replicated across both samples. These were constituted by BAs 8, 10, 22, 39, 46, and 47 in the left as well as BAs 44 and 45 in the right hemisphere. Given that many of these brain regions are predominantly involved in language processing, we hypothesized that our results reflect the importance of inner speech for solving matrix reasoning tasks. Complementary to previous research investigating the association between intelligence and functional brain connectivity by means of comprehensive network metrics, our study is the first to identify specific connections from the P-FIT network whose functional connectivity strength at rest can be considered an indicator of intellectual capability.
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700 1 _ |a Schlüter, Caroline
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700 1 _ |a Friedrich, Patrick
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700 1 _ |a Jung, Rex E.
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700 1 _ |a Güntürkün, Onur
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700 1 _ |a Genç, Erhan
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773 _ _ |a 10.1016/j.intell.2021.101545
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|t Intelligence
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|x 0160-2896
856 4 _ |y Published on 2021-05-24. Available in OpenAccess from 2023-05-24.
|u https://juser.fz-juelich.de/record/893932/files/Manuscript_Revision_author_information.pdf
856 4 _ |y Published on 2021-05-24. Available in OpenAccess from 2023-05-24.
|u https://juser.fz-juelich.de/record/893932/files/Manuscript_Revision_final.pdf
856 4 _ |y Published on 2021-05-24. Available in OpenAccess from 2023-05-24.
|u https://juser.fz-juelich.de/record/893932/files/Supplementary_Material_final.pdf
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