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An epistemological study of visual selection processes is often characterized by a reference to the conception of W. James (1890). This reference also has for a long time characterized the dissociation between the various designs of vision. Thus, the « constructivist » theories of visual perception were opposed to the « sensory » conception of vision. This functional dichotomy found very naturally an impact to the studies of selection processes for action and perception. Recently, various works demonstrated by behavioral measurements, functional imagery and neurophysiology, a close relationship between the selection processes for saccade and perception. Overall, these studies demonstrated that the selection processes for action and perception could be dissociated spatially and temporally at some time of saccade preparation but being completely coupled at a few times before the saccade onset. Visual perception depends on the change of the relationship between the selection processes for action and perception.
