David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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Trends in Cognitive Sciences 3 (7):254-264 (1999)
Traditional explanations of multistable visual phenomena (e.g. ambiguous figures, perceptual rivalry) suggest that the basis for spontaneous reversals in perception lies in antagonistic connectivity within the visual system. In this review, we suggest an alternative, albeit speculative, explanation for visual multistability – that spontaneous alternations reflect responses to active, programmed events initiated by brain areas that integrate sensory and non-sensory information to coordinate a diversity of behaviors. Much evidence suggests that perceptual reversals are themselves more closely related to the expression of a behavior than to passive sensory responses: (1) they are initiated spontaneously, often voluntarily, and are influenced by subjective variables such as attention and mood; (2) the alternation process is greatly facilitated with practice and compromised by lesions in non-visual cortical areas; (3) the alternation process has temporal dynamics similar to those of spontaneously initiated behaviors; (4) functional imaging reveals that brain areas associated with a variety of cognitive behaviors are specifically activated when vision becomes unstable. In this scheme, reorganizations of activity throughout the visual cortex, concurrent with perceptual reversals, are initiated by higher, largely non-sensory brain centers. Such direct intervention in the processing of the sensory input by brain structures associated with planning and motor programming might serve an important role in perceptual organization, particularly in aspects related to selective attention
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Nicoletta Orlandi (2011). Embedded Seeing-As: Multi-Stable Visual Perception Without Interpretation. Philosophical Psychology 25 (4):1-19.
Nicoletta Orlandi (2012). Visual Switching: The Illusion of Instantaneity and Visual Search. Review of Philosophy and Psychology 3 (4):469-480.
Andy Clark (2013). Whatever Next? Predictive Brains, Situated Agents, and the Future of Cognitive Science. Behavioral and Brain Sciences 36 (3):181-204.
Shruti Baijal & Narayanan Srinivasan (2009). Types of Attention Matter for Awareness: A Study with Color Afterimages. Consciousness and Cognition 18 (4):1039-1048.
John-Dylan Haynes (2009). Decoding Visual Consciousness From Human Brain Signals. Trends in Cognitive Sciences 13 (5):194-202.
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