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Journal Article

Citation

Ding X, Gao Z, Shen M. Psychol. Sci. 2017; 28(9): 1311-1320.

Affiliation

Department of Psychology and Behavioral Sciences, Zhejiang University.

Copyright

(Copyright © 2017, Association for Psychological Science, Publisher John Wiley and Sons)

DOI

10.1177/0956797617707318

PMID

28719763

Abstract

Every day, people perceive other people performing interactive actions. Retaining these actions of human agents in working memory (WM) plays a pivotal role in a normal social life. However, whether the semantic knowledge embedded in the interactive actions has a pervasive impact on the storage of the actions in WM remains unknown. In the current study, we investigated two opposing hypotheses: (a) that WM stores the interactions individually (the individual-storage hypothesis) and (b) that WM stores the interactions as chunks (the chunk-storage hypothesis). We required participants to memorize a set of individual actions while ignoring the underlying social interactions. We found that although the social-interaction aspect was task irrelevant, the interactive actions were stored in WM as chunks that were not affected by memory load (Experiments 1 and 2); however, inverting the human actions vertically abolished this chunking effect (Experiment 3). These results suggest that WM automatically and efficiently used semantic knowledge about interactive actions to store them and support the chunk-storage hypothesis.


Language: en

Keywords

chunk; interactive action; open data; open materials; working memory

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