Tracking the processes behind conscious perception: A review of event-related potential correlates of visual consciousness [Book Review]
David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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Consciousness and Cognition 20 (3):972-983 (2011)
Event-related potential studies have attempted to discover the processes that underlie conscious visual perception by contrasting ERPs produced by stimuli that are consciously perceived with those that are not. Variability of the proposed ERP correlates of consciousness is considerable: the earliest proposed ERP correlate of consciousness coincides with sensory processes and the last one marks postperceptual processes. A negative difference wave called visual awareness negativity , typically observed around 200 ms after stimulus onset in occipitotemporal sites, gains strong support for reflecting the processes that correlate with, and possibly enable, aware visual perception. Research suggests that the early parts of conscious processing can proceed independently of top-down attention, although top-down attention may modulate visual processing even before consciousness. Evidence implies that the contents of consciousness are provided by interactions in the ventral stream, but indispensable contributions from dorsal regions influence already low-level visual responses.
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References found in this work BETA
Ned Block (2007). Consciousness, Accessibility, and the Mesh Between Psychology and Neuroscience. Behavioral and Brain Sciences 30 (5):481--548.
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Stanislas Dehaene, Jean-Pierre Changeux, Lionel Naccache, Jérôme Sackur & Claire Sergent (2006). Conscious, Preconscious, and Subliminal Processing: A Testable Taxonomy. Trends in Cognitive Sciences 10 (5):204-211.
Victor A. F. Lamme (2003). Why Visual Attention and Awareness Are Different. Trends in Cognitive Sciences 7 (1):12-18.
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Citations of this work BETA
Valtteri Arstila (forthcoming). Theories of Apparent Motion. Phenomenology and the Cognitive Sciences:1-22.
M. A. Cox, K. A. Lowe, R. Blake & A. Maier (2014). Sustained Perceptual Invisibility of Solid Shapes Following Contour Adaptation to Partial Outlines. Consciousness and Cognition 26:37-50.
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