Journal
CONSCIOUSNESS AND COGNITION
Volume 15, Issue 4, Pages 700-708Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.concog.2006.04.002
Keywords
consciousness; perception; awareness; scaling; measurement
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In a recent article, [Sergent, C. & Dehaene, S. (2004). Is consciousness a gradual phenomenon? Evidence for an all-or-none bifurcation during the attentional blink, Psychological Science, 15(11), 720-729] claim to give experimental support to the thesis that there is a clear transition between conscious and unconscious perception. This idea is opposed to theoretical arguments that we should think of conscious perception as a continuum of clarity, with e.g., fringe conscious states [Mangan, B. (2001). Sensation's ghost-the non-sensory fringe of consciousness, Psyche, 7, 18]. In the experimental study described in this article, we find support for this opposite notion that we should have a parsimonious account of conscious perception. Our reported finding relates to the hypothesis that there is more than one perceptual threshold [Merikle, P.M., Smilek, D. & Eastwood, J.D. (2001). Perception without awareness: perspectives from cognitive psychology, Cognition, 79, 115-134], but goes further to argue that there are different levels of conscious perception. (c) 2006 Elsevier Inc. All rights reserved.
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