[Asymmetry of visual perception].
In healthy adult subjects recognition was studied of geometrical figures presented unilaterally, and of separate letters presented unilaterally and dichoptically to the right and left visual fields. At near-threshold exposition, separate letters are better recognized in the right visual field, than in the left one, regardless of the method of presentation. There is no asymmetry in recognition of geometrical figures. In conditions of backward masking asymmetry of perception of separate letters is likewise observed, but they are better recognized in the left visual field. This suggests that the perception time of separate letters is shorter when they are addressed "directly" to the right hemisphere.
D000328:Adult; D001931:Brain Mapping; D004292:Dominance, Cerebral; D005556:Form Perception / Q000502:physiology*; D007839:Functional Laterality; D006801:Humans; D008875:Middle Aged; D010470:Perceptual Masking / Q000502:physiology; D014705:Verbal Behavior / Q000502:physiology; D014794:Visual Fields; D014796:Visual Perception / Q000502:physiology*
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