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Complimentary lower-level and higher-order systems underpin imitation learning

Bennett, SJ and Hayes, SJ and Andrew, M and Elliott, D (2016) Complimentary lower-level and higher-order systems underpin imitation learning. Brain and Cognition, 104. pp. 25-33. ISSN 1090-2147

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Abstract

We examined whether the temporal representation developed during motor training with reduced-frequency knowledge of results (KR; feedback available on every other trial) was transferred to an imitation learning task. To this end, four groups first practised a three-segment motor sequence task with different KR protocols. Two experimental groups received reduced-frequency KR, one group received high-frequency KR (feedback available on every trial), and one received no-KR. Compared to the no-KR group, the groups that received KR learned the temporal goal of the movement sequence, as evidenced by increased accuracy and consistency across training. Next, all groups learned a single-segment movement that had the same temporal goal as the motor sequence task but required the imitation of biological and nonbiological motion kinematics. Kinematic data showed that whilst all groups imitated biological motion kinematics, the two experimental reduced-frequency KR groups were on average ∼800 ms more accurate at imitating movement time than the high-frequency KR and no-KR groups. The interplay between learning biological motion kinematics and the transfer of temporal representation indicates imitation involves distinct, but complementary lower-level sensorimotor and higher-level cognitive processing systems.

Item Type: Article
Uncontrolled Keywords: 1109 Neurosciences, 1701 Psychology, 1702 Cognitive Science
Subjects: R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Sport & Exercise Sciences
Publisher: Elsevier
Date Deposited: 26 Feb 2016 09:44
Last Modified: 18 Feb 2017 00:50
DOI or Identification number: 10.1016/j.bandc.2016.02.001
URI: http://researchonline.ljmu.ac.uk/id/eprint/2997

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