|Appears in Collections:||Psychology Journal Articles|
|Peer Review Status:||Refereed|
|Title:||A kinematic examination of dual-route processing for action imitation|
|Author(s):||Reader, Arran T|
Rao, Vaisnavi M
Holmes, Nicholas P
|Keywords:||Perception and action|
|Citation:||Reader AT, Rao VM, Christakou A & Holmes NP (2018) A kinematic examination of dual-route processing for action imitation. Attention, Perception, & Psychophysics, 80 (8), pp. 2069-2083. https://doi.org/10.3758/s13414-018-1582-z|
|Abstract:||The dual-route model of imitation suggests that meaningful and meaningless actions are processed through either an indirect or a direct route, respectively. Evidence indicates that the direct route is more cognitively demanding since it relies on mapping visuospatial properties of the observed action on to a performed one. These cognitive demands might negatively influence reaction time and accuracy for actions performed following a meaningless action under time constraints. However, how meaningful and meaningless action imitation processing is reflected in movement kinematics is not yet clear. We wanted to confirm whether meaningless action performance incurs a reaction time cost, whether the cost is reflected in kinematics, and, more generally, to examine kinematic markers of emblematic meaningful and meaningless action imitation. We examined participants’ reaction time and wrist movements when they imitated emblematic meaningful or matched meaningless gestures in either blocks of the same action type or mixed blocks. Meaningless actions were associated with a greater correction period at the end of the movement, possibly reflecting a strategy designed to ensure accurate completion for less familiar actions under time constraints. Furthermore, in mixed blocks, trials following meaningless actions had a significantly increased reaction time, supporting previous claims that route selection for action imitation may be stimulus-driven. However, there was only convincing evidence for this effect with an interval of ~2,948ms, but not ~3,573ms or ~2,553ms, between movements. Future work motion-tracking the entire hand to assess imitation accuracy, and more closely examining the influence of duration between movements, may help to explain these effects.|
|Rights:||This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.|
|Reader2018_Article_AKinematicExaminationOfDual-ro.pdf||Fulltext - Published Version||2.63 MB||Adobe PDF||View/Open|
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