Collinear contextual suppression

The context of a target can modulate behavioral as well as neural responses to that target. For example, target processing can be suppressed by iso-oriented surrounds whereas it can be facilitated by collinear contextual elements. Here, we present experiments in which collinear elements exert strong...

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Bibliographic Details
Published inVision research (Oxford) Vol. 43; no. 27; pp. 2915 - 2925
Main Authors Herzog, Michael H, Schmonsees, Ulrike, Fahle, Manfred
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.12.2003
Elsevier Science
Subjects
Afterimage - physiology
Biological and medical sciences
Contrast Sensitivity - physiology
Discrimination (Psychology) - physiology
Fundamental and applied biological sciences. Psychology
Humans
Optical Illusions - physiology
Perception
Perceptual Masking - physiology
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Sensory Thresholds
Vision
Visual Perception - physiology
Human
Spatial frequency
Visual stimulus
Vision
Perception
Masking
Experimental study
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Summary:The context of a target can modulate behavioral as well as neural responses to that target. For example, target processing can be suppressed by iso-oriented surrounds whereas it can be facilitated by collinear contextual elements. Here, we present experiments in which collinear elements exert strong suppression whereas iso-oriented contextual surrounds yield no contextual modulation––contrary to most studies in this field. We suggest that contextual suppression depends strongly on the spatial arrangement of the context pointing to the influence of Gestalt factors in contextual modulation.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0042-6989
1878-5646
DOI:10.1016/j.visres.2003.07.004