Neural substrates of visual percepts, imagery, and hallucinations
Behavioral and Brain Sciences 25 (2):194-195 (2002)
| Abstract | Recent neural models clarify many properties of mental imagery as part of the process whereby bottom-up visual information is influenced by top-down expectations, and how these expectations control visual attention. Volitional signals can transform modulatory top-down signals into supra-threshold imagery. Visual hallucinations can occur when the normal control of these volitional signals is lost. | |||||||||
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