David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Ezio Di Nucci
Jack Alan Reynolds
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Trends in Cognitive Sciences 10 (5):204-211 (2006)
Amidst the many brain events evoked by a visual stimulus, which are specifically associated with conscious perception, and which merely reflect non-conscious processing? Several recent neuroimaging studies have contrasted conscious and non-conscious visual processing, but their results appear inconsistent. Some support a correlation of conscious perception with early occipital events, others with late parieto-frontal activity. Here we attempt to make sense of those dissenting results. On the basis of a minimal neuro-computational model, the global neuronal workspace hypothesis, we propose a taxonomy which distinguishes between vigilance and access to conscious report, as well as between subliminal, preconscious and conscious processing. We suggest that these distinctions map onto different neural mechanisms, and that conscious perception is systematically associated with a sudden surge of parieto-frontal activity causing top-down amplification
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Ned Block (2007). Consciousness, Accessibility, and the Mesh Between Psychology and Neuroscience. Behavioral and Brain Sciences 30 (5):481--548.
James Stazicker (2011). Attention, Visual Consciousness and Indeterminacy. Mind and Language 26 (2):156-184.
Ned Block, David Carmel, Stephen M. Fleming, Robert W. Kentridge, Christof Koch, Victor A. F. Lamme, Hakwan Lau & David Rosenthal (2014). Consciousness Science: Real Progress and Lingering Misconceptions. Trends in Cognitive Sciences 18 (11):556-557.
Bert Windey & Axel Cleeremans (2015). Consciousness as a Graded and an All-or-None Phenomenon: A Conceptual Analysis. Consciousness and Cognition 35:185-191.
Peter Carruthers (2015). Block's Overflow Argument. Pacific Philosophical Quarterly 97 (1).
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