On the dynamics of action representations evoked by names of manipulable objects.: Psychology OnLine.Net

On the dynamics of action representations evoked by names of manipulable objects.

On the dynamics of action representations evoked by names of manipulable objects.
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22.10.2012 (Правка )

Two classes of hand action representations are shown to be activated by listening to the name of a manipulable object (e.g., cellphone). The functional action associated with the proper use of an object is evoked soon after the onset of its name, as indicated by primed execution of that action. Priming is sustained throughout the duration of the word's enunciation. Volumetric actions (those used to simply lift an object) show a negative priming effect at the onset of a word, followed by a short-lived positive priming effect. This time-course pattern is explained by a dual-process mechanism involving frontal and parietal lobes for resolving conflict between candidate motor responses. Both types of action representations are proposed to be part of the conceptual knowledge recruited when the name of a manipulable object is encountered, although functional actions play a more central role in the representation of lexical concepts. (PsycINFO Database Record (c) 2012 APA, all rights reserved)




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