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Retrieval-Induced Inhibition in Short-Term Memory

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Title
Retrieval-Induced Inhibition in Short-Term Memory
Author(s)
Min-Suk Kang; Joongrul Choi
Subject
short-term memory, visual memory, attention, forgetting, motion perception
Publication Date
2015-07
Journal
PSYCHOLOGICAL SCIENCE, v.26, no.7, pp.1014 - 1025
Publisher
SAGE PUBLICATIONS INC
Abstract
We used a visual illusion called motion repulsion as a model system for investigating competition between two mental representations. Subjects were asked to remember two random-dot-motion displays presented in sequence and then to report the motion directions for each. Remembered motion directions were shifted away from the actual motion directions, an effect similar to the motion repulsion observed during perception. More important, the item retrieved second showed greater repulsion than the item retrieved first. This suggests that earlier retrieval exerted greater inhibition on the other item being held in short-term memory. This retrieval-induced motion repulsion could be explained neither by reduced cognitive resources for maintaining short-term memory nor by continued inhibition between short-term memory representations. These results indicate that retrieval of memory representations inhibits other representations in short-term memory. We discuss mechanisms of retrieval-induced inhibition and their implications for the structure of memory.
URI
https://pr.ibs.re.kr/handle/8788114/1720
DOI
10.1177/0956797615577358
ISSN
0956-7976
Appears in Collections:
Center for Neuroscience Imaging Research (뇌과학 이미징 연구단) > 1. Journal Papers (저널논문)
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