title: EFFECTS OF SYMMETRY ON THE PERCEPTION OF TACHISTOSCOPIC PATTERNS.
mesh_terms: D001288:Attention; D005556:Form Perception; D006801:Humans; D010465:Perception; D011603:Psychophysiology; D014794:Visual Fields; D014796:Visual Perception
keywords: ATTENTION; FORM PERCEPTION; PSYCHOPHYSIOLOGY; VISUAL FIELDS; VISUAL PERCEPTION