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Journal Article

Temporal integration windows for naturalistic visual sequences

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Fairhall, S. L., Albi, A., & Melcher, D. (2014). Temporal integration windows for naturalistic visual sequences. PLoS One, 9(7): e102248. doi:10.1371/journal.pone.0102248.

Cite as: https://hdl.handle.net/21.11116/0000-0005-A3D0-7
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.