Journal
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
Volume 371, Issue 1693, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rstb.2015.0373
Keywords
predictive coding; high-functioning autism; social interaction; intention recognition
Categories
Funding
- Volkswagen Foundation
- European Research Council under the European Union [312919]
- Max Planck Society for an Independent Max Planck Research Group
- European Research Council (ERC) [312919] Funding Source: European Research Council (ERC)
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This study was conducted to examine interpersonal predictive coding in individuals with high-functioning autism (HFA). Healthy and HFA participants observed point-light displays of two agents (A and B) performing separate actions. In the 'communicative' condition, the action performed by agent B responded to a communicative gesture performed by agent A. In the 'individual' condition, agent A's communicative action was substituted by a non-communicative action. Using a simultaneous masking-detection task, we demonstrate that observing agent A's communicative gesture enhanced visual discrimination of agent B for healthy controls, but not for participants with HFA. These results were not explained by differences in attentional factors as measured via eye-tracking, or by differences in the recognition of the point-light actions employed. Our findings, therefore, suggest that individuals with HFA are impaired in the use of social information to predict others' actions and provide behavioural evidence that such deficits could be closely related to impairments of predictive coding.
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