Temporal Integration Windows for Naturalistic Visual Sequences

Scott L Fairhall, Angela Albi and David Melcher

PLOS ONE, 2014, vol. 9, issue 7, 1-6

Abstract: There is increasing evidence that the brain possesses mechanisms to integrate incoming sensory information as it unfolds over time-periods of 2–3 seconds. The ubiquity of this mechanism across modalities, tasks, perception and production has led to the proposal that it may underlie our experience of the subjective present. A critical test of this claim is that this phenomenon should be apparent in naturalistic visual experiences. We tested this using movie-clips as a surrogate for our day-to-day experience, temporally scrambling them to require (re-) integration within and beyond the hypothesized 2–3 second interval. Two independent experiments demonstrate a step-wise increase in the difficulty to follow stimuli at the hypothesized 2–3 second scrambling condition. Moreover, only this difference could not be accounted for by low-level visual properties. This provides the first evidence that this 2–3 second integration window extends to complex, naturalistic visual sequences more consistent with our experience of the subjective present.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0102248

DOI: 10.1371/journal.pone.0102248

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