Journal Article

FZJ-2023-01787

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Naturalistic viewing increases individual identifiability based on connectivity within functional brain networks

Kröll, J.-P. (Corresponding author)FZJ* ; Friedrich, P.FZJ* ; Li, X.FZJ* ; Patil, K. R.FZJ* ; Mochalski, L.FZJ* ; Waite, L.FZJ* ; Qian, X. ; Chee, M. W. ; Zhou, J. H. ; Eickhoff, S.FZJ* ; Weis, S.FZJ*

2023
Academic Press Orlando, Fla.

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Please use a persistent id in citations: http://hdl.handle.net/2128/34298  doi:10.1016/j.neuroimage.2023.120083  doi:10.34734/FZJ-2023-01787

Abstract: Naturalistic viewing (NV) is currently considered a promising paradigm for studying individual differences in functional brain organization. While whole brain functional connectivity (FC) under NV has been relatively well characterized, so far little work has been done on a network level.Here, we extend current knowledge by characterizing the influence of NV on FC in fourteen meta-analytically derived brain networks considering three different movie stimuli in comparison to resting-state (RS). We show that NV increases identifiability of individuals over RS based on functional connectivity in certain, but not all networks. Furthermore, movie stimuli including a narrative appear more distinct from RS. In addition, we assess individual variability in network FC by comparing within- and between-subject similarity during NV and RS. We show that NV can evoke individually distinct NFC patterns by increasing inter-subject variability while retaining within-subject similarity. Crucially, our results highlight that this effect is not observable across all networks, but rather dependent on the network-stimulus combination. Our results confirm that NV can improve the detection of individual differences over RS and underline the importance of selecting the appropriate combination of movie and cognitive network for the research question at hand.

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Contributing Institute(s):

1. Gehirn & Verhalten (INM-7)

Research Program(s):

1. 5251 - Multilevel Brain Organization and Variability (POF4-525) (POF4-525)

Appears in the scientific report 2023

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