期刊
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE
卷 40, 期 5, 页码 1832-1848出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0037449
关键词
actions; semantic memory; manipulable objects; tool use; tools
资金
- Albert Einstein Society of the Albert Einstein Healthcare Network
- National Institutes of Health (NIH) [R01-NS065049]
Despite research suggesting that stored sensorimotor information about tool use is a component of the semantic representations of tools, little is known about the action features or organizing principles that underlie this knowledge. We used methods similar to those applied in other semantic domains to examine the architecture of action semantic knowledge. In Experiment 1, participants sorted photographs of tools into groups according to the similarity of their associated use actions and rated tools on dimensions related to action. The results suggest that the magnitude of arm movement, configuration of the hand, and manner of motion during tool use play a role in determining how tools cluster in action semantic space. In Experiment 2, we validated the architecture uncovered in Experiment 1 using an implicit semantic task for which tool use knowledge was not ostensibly relevant (blocked cyclic word-picture matching). Using stimuli from Experiment 1, we found that participants performed more poorly during blocks of trials containing tools used with similar versus unrelated actions, and the amount of semantic interference depended on the magnitude of action similarity among tools. Thus, the degree of featural overlap between tool use actions plays a role in determining the overall semantic similarity of tools.
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