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The authors present neuropsychological evidence distinguishing binding between form, color, and size (cross-domain binding) and binding between form elements. They contrasted conjunctive search with difficult feature search using control participants and patients with unilateral parietal or fronto/temporal lesions. To rule out effects of task difficulty or loss of top-down guidance of search, the authors made conjunction search easier than feature search. Despite this, parietal patients were selectively impaired at detecting conjunction targets in their contralateral field. In contrast, the parietal patients performed like the other participants with form conjunctions, with form conjunctions being easier to detect than difficult feature targets. These data indicate a qualitative difference between binding in the form domain and binding across form, color, and size, consistent with theories that propose distinct binding processes in vision.

Original publication




Journal article


J Exp Psychol Hum Percept Perform

Publication Date





627 - 647


Adult, Aged, Association Learning, Attention, Brain Damage, Chronic, Brain Mapping, Color Perception, Discrimination Learning, Dominance, Cerebral, Female, Frontal Lobe, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Middle Aged, Orientation, Parietal Lobe, Pattern Recognition, Visual, Reaction Time, Reversal Learning, Size Perception, Temporal Lobe