Constructing events across perception, action, and thought.

Authors

Dasom Kwon, Jiwoong Park, Won Mok Shim

Published in

Trends in neurosciences. Nov 06, 2026. Epub Nov 06, 2026.

Abstract

The brain organizes continuous experience into events that structure episodic memory and guide behavior. Traditional accounts have primarily focused on sensory discontinuities and prediction errors that trigger updates of event models. Here, we broaden this view to consider event boundaries arising during goal-directed behavior, spontaneous thought, and memory recall, including transitions generated in the absence of corresponding changes in sensory input. We propose that prediction error and uncertainty provide complementary signals for event model updating: prediction errors signal a violation of current expectations, whereas uncertainty may promote updating when upcoming states become difficult to predict. We further suggest that the hippocampus may serve as a candidate hub linking boundary-related representational changes across perception, action, and thought. Together, this framework offers an integrative account of how the brain detects and generates event structure in continuous experience to support memory and behavior.

PMID:
42995135
Bibliographic data and abstract were imported from PubMed on 07 Nov 2026.

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