Attention periodically samples competing stimuli during binocular rivalry

Matthew J. Davidson, David Alais, Jeroen Ja van Boxtel, Naotsugu Tsuchiya

Research output: Contribution to journalArticle

2 Citations (Scopus)
2 Downloads (Pure)

Abstract

The attentional sampling hypothesis suggests that attention rhythmically enhances sensory processing when attending to a single (~8 Hz), or multiple (~4 Hz) objects. Here, we investigated whether attention samples sensory representations that are not part of the conscious percept during binocular rivalry. When crossmodally cued toward a conscious image, subsequent changes in consciousness occurred at ~8 Hz, consistent with the rates of undivided attentional sampling. However, when attention was cued toward the suppressed image, changes in consciousness slowed to ~3.5 Hz, indicating the division of attention away from the conscious visual image. In the electroencephalogram, we found that at attentional sampling frequencies, the strength of inter-trial phase-coherence over fronto-temporal and parieto-occipital regions correlated with changes in perception. When cues were not task-relevant, these effects disappeared, confirming that perceptual changes were dependent upon the allocation of attention, and that attention can flexibly sample away from a conscious image in a task-dependent manner.

Original languageEnglish
Pages (from-to)1-25
Number of pages25
JournaleLife
Volume7
DOIs
Publication statusPublished - 3 Dec 2018

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Binoculars
Sampling
Electroencephalography
Consciousness
Occipital Lobe
Processing
Cues

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Davidson, Matthew J. ; Alais, David ; van Boxtel, Jeroen Ja ; Tsuchiya, Naotsugu. / Attention periodically samples competing stimuli during binocular rivalry. In: eLife. 2018 ; Vol. 7. pp. 1-25.
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Attention periodically samples competing stimuli during binocular rivalry. / Davidson, Matthew J.; Alais, David; van Boxtel, Jeroen Ja; Tsuchiya, Naotsugu.

In: eLife, Vol. 7, 03.12.2018, p. 1-25.

Research output: Contribution to journalArticle

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