Cross-modal prediction changes the timing of conscious access during motion-induced blindness

Chang, Acer Y C, Kanai, Ryota and Seth, Anil K (2015) Cross-modal prediction changes the timing of conscious access during motion-induced blindness. Consciousness and Cognition, 31. pp. 139-147. ISSN 1053-8100

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Despite accumulating evidence that perceptual predictions influence perceptual content, the relations between these predictions and conscious contents remain unclear, especially for cross-modal predictions. We examined whether predictions of visual events by auditory cues can facilitate conscious access to the visual stimuli. We trained participants to learn associations between auditory cues and colour changes. We then asked whether congruency between auditory cues and target colours would speed access to consciousness. We did this by rendering a visual target subjectively invisible using motion-induced blindness and then gradually changing its colour while presenting congruent or incongruent auditory cues. Results showed that the visual target gained access to consciousness faster in congruent than in incongruent trials; control experiments excluded potentially confounding effects of attention and motor response. The expectation effect was gradually established over blocks suggesting a role for extensive training. Overall, our findings show that predictions learned through cross-modal training can facilitate conscious access to visual stimuli.

Item Type: Article
Keywords: Motion induced blindness; Predictive coding; Audiovisual association
Schools and Departments: School of Engineering and Informatics > Informatics
Subjects: Q Science > Q Science (General)
Depositing User: Marianne Cole
Date Deposited: 20 Aug 2015 11:35
Last Modified: 20 Aug 2015 11:35
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