Movie viewing elicits rich and reliable brain state dynamics

Johan N. van der Meer (), Michael Breakspear, Luke J. Chang, Saurabh Sonkusare and Luca Cocchi ()
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Johan N. van der Meer: QIMR Berghofer Medical Research Institute, Brisbane
Michael Breakspear: University of Newcastle, University Drive
Luke J. Chang: Dartmouth College
Saurabh Sonkusare: QIMR Berghofer Medical Research Institute, Brisbane
Luca Cocchi: QIMR Berghofer Medical Research Institute, Brisbane

Nature Communications, 2020, vol. 11, issue 1, 1-14

Abstract: Abstract Adaptive brain function requires that sensory impressions of the social and natural milieu are dynamically incorporated into intrinsic brain activity. While dynamic switches between brain states have been well characterised in resting state acquisitions, the remodelling of these state transitions by engagement in naturalistic stimuli remains poorly understood. Here, we show that the temporal dynamics of brain states, as measured in fMRI, are reshaped from predominantly bistable transitions between two relatively indistinct states at rest, toward a sequence of well-defined functional states during movie viewing whose transitions are temporally aligned to specific features of the movie. The expression of these brain states covaries with different physiological states and reflects subjectively rated engagement in the movie. In sum, a data-driven decoding of brain states reveals the distinct reshaping of functional network expression and reliable state transitions that accompany the switch from resting state to perceptual immersion in an ecologically valid sensory experience.

Date: 2020
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DOI: 10.1038/s41467-020-18717-w

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