Multivariate Identification of Functional Neural Networks Underpinning Humorous Movie Viewing

Fa Hsuan Lin, Hsin Ju Lee, Wen Jui Kuo*, Iiro P. Jääskeläinen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

While univariate functional magnetic resonance imaging (fMRI) data analysis methods have been utilized successfully to map brain areas associated with cognitive and emotional functions during viewing of naturalistic stimuli such as movies, multivariate methods might provide the means to study how brain structures act in concert as networks during free viewing of movie clips. Here, to achieve this, we generalized the partial least squares (PLS) analysis, based on correlations between voxels, experimental conditions, and behavioral measures, to identify large-scale neuronal networks activated during the first time and repeated watching of three ∼5-min comedy clips. We identified networks that were similarly activated across subjects during free viewing of the movies, including the ones associated with self-rated experienced humorousness that were composed of the frontal, parietal, and temporal areas acting in concert. In conclusion, the PLS method seems to be well suited for the joint analysis of multi-subject neuroimaging and behavioral data to quantify a functionally relevant brain network activity without the need for explicit temporal models.

Original languageEnglish
Article number547353
JournalFrontiers in Psychology
Volume11
DOIs
Publication statusPublished - 9 Feb 2021
MoE publication typeA1 Journal article-refereed

Keywords

  • comedy
  • functional connectivity
  • humor
  • movie
  • networks

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