Subjective contour illusion: sex-related effect of unilateral brain damage

Anna Grabowska , A Nowicka , O. Szymańska , I Szatkowska


The aim of the study was to investigate the effect of unilateral brain lesions on the perception of subjective contours. Brain damage resulted in a reduced ability to perceive the illusion. The effect, however, was hemisphere and sex dependent. In women an illusion decrement due to either the left or right hemisphere damage was observed, while in men only right hemisphere damage caused a decrement. No specific effect of intrahemispheric localisation of lesion was found. We conclude that mechanisms contributing to subjective contour perception are right hemisphere dependent in males whereas in females they are bilaterally represented.;
Author Anna Grabowska (Wydział Psychologii)
Anna Grabowska,,
- Wydział Psychologii
, A Nowicka
A Nowicka,,
, O. Szymańska
O. Szymańska,,
, I Szatkowska
I Szatkowska,,
Journal seriesNeuroreport: For Rapid Communication of Neuroscience Research, ISSN 0959-4965, (A 15 pkt)
Issue year2001
Pages2289 - 2292
Publication size in sheets0.5
Keywords in EnglishSex Characteristics*, Form Perception/*physiology, Functional Laterality/*physiology, Hypoxia, Brain/*physiopathology, Illusions/*physiology, Adult, Aged, Analysis of Variance, Female, Humans, Male, Middle Aged
ASJC Classification2800 General Neuroscience
Languageen angielski
Score (nominal)20
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2014 = 0.508; WoS Impact Factor: 2006 = 2.137 (2) - 2007=2.484 (5)
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