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Cognitive and neural state dynamics of narrative comprehension

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Title
Cognitive and neural state dynamics of narrative comprehension
Author(s)
Hayoung Song; Bo-Yong Park; Hyunjin Park; Won Mok Shim
Publication Date
2021-10-27
Journal
Journal of Neuroscience, v.41, no.43, pp.8972 - 8990
Publisher
Society for Neuroscience
Abstract
Copyright © 2021 the authorsNarrative comprehension involves a constant interplay of the accumulation of incoming events and their integration into a coherent structure. This study characterizes cognitive states during narrative comprehension and the network-level reconfiguration occurring dynamically in the functional brain. We presented movie clips of temporally scrambled sequences to human participants (male and female), eliciting fluctuations in the subjective feeling of comprehension. Comprehension occurred when processing events that were highly causally related to the previous events, suggesting that comprehension entails the integration of narratives into a causally coherent structure. The functional neuroimaging results demonstrated that the integrated and efficient brain state emerged during the moments of narrative integration with the increased level of activation and across-modular connections in the default mode network. Underlying brain states were synchronized across individuals when comprehending novel narratives, with increased occurrences of the default mode network state, integrated with sensory processing network, during narrative integration. A model based on time-resolved functional brain connectivity predicted changing cognitive states related to comprehension that are general across narratives. Together, these results support adaptive reconfiguration and interaction of the functional brain networks on causal integration of the narratives.
URI
https://pr.ibs.re.kr/handle/8788114/10868
DOI
10.1523/JNEUROSCI.0037-21.2021
ISSN
0270-6474
Appears in Collections:
Center for Neuroscience Imaging Research (뇌과학 이미징 연구단) > 1. Journal Papers (저널논문)
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