Disruption of visual feature binding in working memory.
In a series of five experiments, we studied the effect of a visual suffix on the retention in short-term visual memory of both individual visual features and objects involving the binding of two features. Experiments 1A, 1B, and 2 involved suffixes consisting of features external to the to-be-remembered set and revealed a modest but equivalent disruption on individual and bound feature conditions. Experiments 3A and 3B involved suffixes comprising features that could potentially have formed part of the to-be-remembered set (but did not on that trial). Both experiments showed greater disruption of retention for objects comprising bound features than for their individual features. The results are interpreted as differentiating two components of suffix interference, one affecting memory for features and bindings equally, the other affecting memory for bindings. The general component is tentatively identified with the attentional cost of operating a filter to prevent the suffix from entering visual working memory, whereas the specific component is attributed to the particular fragility of bound representations when the filter fails.
Neuroscience and Aphasia Research Unit (NARU), School of Psychological Sciences, University of Manchester, Room T4, 3rd Floor, Zochonis Building, Brunswick Street, Manchester, M13 9PL, United Kingdom. taiji.ueno@postgrad.manchester.ac.uk
Taiji
T
Ueno
Richard J
RJ
Allen
Alan D
AD
Baddeley
Graham J
GJ
Hitch
Satoru
S
Saito
D000293:Adolescent; D000328:Adult; D001245:Association Learning; D001288:Attention; D003118:Color Perception; D004192:Discrimination, Psychological; D005260:Female; D006801:Humans; D008297:Male; D008570:Memory, Short-Term; D010364:Pattern Recognition, Visual; D011930:Reaction Time; D012153:Retention, Psychology; D014705:Verbal Behavior; D055815:Young Adult
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