Scanning the visual field without eye movements—A sex difference

Subjects identified the location of a briefly exposed target pattern in the presence of five other patterns. Right-handed females, but not males, exhibited a significantly higher error rate in correctly localizing the target pattern when it was in the left visual field, particularly for the left par...

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Bibliographic Details
Published in:Neuropsychologia 1987, Vol.25 (4), p.637-644
Main Authors: Efron, R., Yund, E.W., Nichols, D.R.
Format: Article
Language:English
Subjects:
Adult
Behavioral psychophysiology
Biological and medical sciences
Eye Movements
Female
Form Perception - physiology
Functional Laterality - physiology
Fundamental and applied biological sciences. Psychology
Humans
Male
Pattern Recognition, Visual - physiology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Sex Factors
Time Factors
Visual Fields
Visual Pathways - physiology
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Summary:Subjects identified the location of a briefly exposed target pattern in the presence of five other patterns. Right-handed females, but not males, exhibited a significantly higher error rate in correctly localizing the target pattern when it was in the left visual field, particularly for the left parafoveal region. This unexpected distribution of errors as a function of target location can be accounted for by a sequential (serial) mechanism which scans the visual field. Since the exposure time was too brief for eye movements to have occured, the results must reflect an internal scan of the neural representation of the information retained in the visual system following the brief stimulus presentation.
ISSN:0028-3932
1873-3514
DOI:10.1016/0028-3932(87)90054-6