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Title: Body representation difficulties in children and adolescents with autism may be due to delayed development of visuo-tactile temporal binding
Authors: Ropar, Danielle
Greenfield, Katie
Smith, Alastair D.
Carey, Mark
Newport, Roger
Keywords: Autism spectrum disorder
Temporal binding window
Visuo-tactile processing
Embodied action
Issue Date: 2017
Publisher: Elsevier © The Authors
Citation: ROPAR, D. ... et al, 2017. Body representation difficulties in children and adolescents with autism may be due to delayed development of visuo-tactile temporal binding. Developmental Cognitive Neuroscience, 29, pp.78-85.
Abstract: Recent research suggests visuo-tactile binding is temporally extended in autism spectrum disorders (ASD), although it is not clear whether this specifically underlies altered body representation in this population. In the current study children and adolescents with ASD, and typically developing controls, placed their hand into mediated reality system (MIRAGE) and saw two identical live video images of their own right hand. One image was in the proprioceptively correct location (veridical hand) and the other was displaced to either side. While visuo-tactile feedback was applied via brushstroke to the participant's (unseen) right finger, they viewed one hand image receiving synchronous brushstrokes and the other receiving brushstrokes with a temporal delay (60, 180 and 300. ms). After brushing, both images disappeared from view and participants pointed to a target, with direction of movement indicating which hand was embodied. ASD participants, like younger mental aged-matched controls, showed reduced embodiment of the spatially incongruent, but temporally congruent, hand compared to chronologically age-matched controls at shorter temporal delays. This suggests development of visuo-tactile integration may be delayed in ASD. Findings are discussed in relation to atypical body representation in ASD and how this may contribute to social and sensory difficulties within this population.
Description: This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution 4.0 International Licence (CC BY). Full details of this licence are available at: http://creativecommons.org/licenses/by/4.0/
Sponsor: This work was supported by the Economic and Social Research Council [grant number ES/J500100/1], by a PhD studentship to KG.
Version: Published
DOI: 10.1016/j.dcn.2017.04.007
URI: https://dspace.lboro.ac.uk/2134/28417
Publisher Link: https://doi.org/10.1016/j.dcn.2017.04.007
ISSN: 1878-9293
Appears in Collections:Published Articles (Sport, Exercise and Health Sciences)

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