Visual Imagery and Visual Perception: The Role of Memory and Conscious Awareness
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author = {Alumit Ishai and Dov Sagi},
title = {Visual Imagery and Visual Perception: The Role of Memory and Conscious Awareness},
year = {}
}
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Abstract:
Introduction This review addresses several aspects of visual imagery, as an example for the interactions between perception, memory and consciousness 1 . Visual imagery is the natural ability to invent or recreate an experience that resembles the experience of actually perceiving an object or an event, in the absence of retinal input. Visual imagery and perception share several functional properties, and apparently share common underlying brain structures. The involvement of cortical structures common to visual imagery and perception is supported by studies on evoked potentials (Farah et al., 1988), regional cerebral blood flow (Goldenberg et al., 1989), positron emission tomography (Kosslyn et al., 1993; Kosslyn et al., 1995; Roland et al., 1987; Roland and Gulyas, 1995), and functional magnetic resonance imaging (Bihan et al., 1993). Neuropsychological case studies provide support for the hypothesis that visual imagery and perception share the same neural s
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