Intersubject consistent dynamic connectivity during natural vision revealed by functional MRI.

ABSTRACT: The functional communications between brain regions are thought to be dynamic. However, it is usually difficult to elucidate whether the observed dynamic connectivity is functionally meaningful or simply due to noise during unconstrained task conditions such as resting-state. During naturalistic conditions, such as watching a movie, it has been shown that local brain activities, e.g. in the visual cortex, are consistent across subjects. Following similar logic, we propose to study intersubject correlations of the time courses of dynamic connectivity during naturalistic conditions to extract functionally meaningful dynamic connectivity patterns. We analyzed a functional MRI (fMRI) dataset when the subjects watched a short animated movie. We calculated dynamic connectivity by using sliding w

SUBMITTER: Di X 

PROVIDER: S-EPMC10635736 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature