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Research Article

Weak central coherence in adults with ASD: Evidence from eye-tracking and thematic content analysis of social scenes

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Published online: 21 Apr 2022
 

Abstract

Central Coherence Weakness has been defined as a tendency for local rather than global processing that may underlie core deficits in Autism Spectrum Disorder (ASD). In social contexts it may be expressed in difficulties to integrate social cues arising from the recognition of emotions in faces or from the environment in order to understand people's interactions. A sample of 28 adults diagnosed with ASD Level 1 and 25 controls was submitted to a cartoon-like task with the instruction to describe social scenes and to Navon letter stimuli. Both quantitative measures and qualitative (thematic content analysis) procedures were used to assess performance. Heatmap and fixation preferences according to the stimuli quadrants were used to investigate eye-tracking patterns. A tendency to local processing, independently of the stimuli type, in the ASD participants was observed. Data from visual tracking by quadrants and from verbal reports suggest loss of social cues important for understanding context. Their reaction time and response duration were increased in relation to controls. The findings corroborate the idea that weak central coherence may be part of the cognitive phenotype in ASD.

LAY ABSTRACT

Autistic adults often report difficulties in interpreting social situations. These difficulties are commonly associated with a tendency to visually focus on specific parts of the situation (known as local processing) to the detriment of the whole situation. This way of looking at things has been given the name “weak central coherence,” and may result in difficulties in understanding a situation or other people’s behaviors. A group of ASD and controls were asked to describe two different types of image, one showing a common social situation, the other Navon figure. Eye-tracking technology was used to analyze how the participants looked at the images (which part of the image and for how long) and asked about what they had seen. The results showed that in the group of autistic participants there was a tendency to focus on the details in both types of images. The analysis of the verbal reports revealed that the interpretation of the social contexts by those with ASD was not what was expected, associated with a specific focus on details. These findings may be useful for a better understanding of some difficulties experienced by ASD in social contexts and contribute to therapeutic treatments.

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