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The Time Course of Response Activation with Dangerous Objects
Published online by Cambridge University Press: 30 July 2018
Abstract
The action property of an object appears to function as an intrinsic part of its mental representation. This phenomenon has been demonstrated in cases where although the grasp response evoked by a visual object is irrelevant to a participant’s task it still appears to be encoded. This is an affordance effect. Recent findings have shown that dangerous objects can modulate the motor system by evoking aversive affordances. However, the way the time course of response activation generated by the dangerous object develops remains unclear. To investigate this process, we used a priming paradigm that varied the stimulus-onset asynchrony (SOA) between a prime and a target. Participants were asked to judge a symbol after presentation of a dangerous object. Results showed a significant congruency effect between the affordance of the ignored object and the requisite response when the SOA was 800 and 1,200 ms, (t(29) = 4.13, p < .001; t(29) = 2.56, p < .05, respectively). However, with briefer SOAs (0 and 400 ms), this congruency effect was not observed (ps > .10). Results indicate the time course of response activation with a dangerous object are relatively long-lasting.
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- Research Article
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- Copyright © Universidad Complutense de Madrid and Colegio Oficial de Psicólogos de Madrid 2018
Footnotes
This study was supported by the Programs of Scientific Research Foundation for Doctor of Baoji University of Arts and Sciences (ZK2018032), Shaanxi philosophy and Social Sciences fund (2017P016), and Shaanxi Education Science “13th Five-Year” program (SGH17H273).
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