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Atypical interference effect of action observation in autism spectrum conditions

Cook, J; Swapp, D; Pan, X; Bianchi-Berthouze, N; Blakemore, SJ; (2013) Atypical interference effect of action observation in autism spectrum conditions. Psychological Medicine pp. 1-10. 10.1017/S0033291713001335. Green open access

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Abstract

BACKGROUND: Observing incongruent actions interferes with ongoing action execution. This 'interference effect' is larger for observed biological actions than for non-biological actions. The current study used virtual reality to investigate the biological specificity of interference effects of action observation in autism spectrum conditions (ASC). Method High-functioning adults with ASC and age- and IQ-matched healthy controls performed horizontal sinusoidal arm movements whilst observing arm movements conducted by a virtual reality agent with either human or robot form, which moved with either biological motion or at a constant velocity. In another condition, participants made the same arm movements while observing a real human. Observed arm movements were either congruent or incongruent with executed arm movements. An interference effect was calculated as the average variance in the incongruent action dimension during observation of incongruent compared with congruent movements. RESULTS: Control participants exhibited an interference effect when observing real human and virtual human agent incongruent movements but not when observing virtual robot agent movements. Individuals with ASC differed from controls in that they showed no interference effects for real human, virtual human or virtual robot movements. CONCLUSIONS: The current study demonstrates atypical interference effects in ASC.

Type: Article
Title: Atypical interference effect of action observation in autism spectrum conditions
Open access status: An open access version is available from UCL Discovery
DOI: 10.1017/S0033291713001335
Publisher version: http://dx.doi.org/10.1017/S0033291713001335
Language: English
Additional information: This article is published within an Open Access environment subject to the conditions of the Creative Commons Attribution licence. http://creativecommons.org/licenses/by/3.0/
Keywords: Autism, Biological motion, Imitation, Interference, Mirror neurons
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Institute of Cognitive Neuroscience
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > UCL Interaction Centre
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: https://discovery.ucl.ac.uk/id/eprint/1396543
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