Centre for Cognitive Neuroscience and Cognitive Systems

CCNCS Seminar Details

All-or-none conscious perception and the Attentional Blink

Speaker: Srivas Chennu
Date/Time: Wednesday 18 November 2009, 4.15pm
Location: SB110B, Computing Laboratory, Cornwallis

Abstract

There is evidence that conscious perception during the attentional blink is all-or-none, which contrasts with the finding of a continuum of perceptual strength in masking experiments. This seems to reveal the underlying representation of strength that can be found in the brain in the absence of attentional enhancement. We provide electrophysiological support for this all-or-none theory. Then, using principles from the ST2 model of temporal attention and working memory, we show how this all-or-none pattern can be explained by the delayed target consolidation that is known to arise during the attentional blink.


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Last Updated: 24/05/2013