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Social perception in Autism: An eye tracking and pupillometric study
University of Skövde, School of Bioscience. (Consciousness and Cognitive Neuroscience)
2018 (English)Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesisAlternative title
Social Perception in Autism : An eye tracking and pupillometry study (English)
Abstract [en]

Typically developing humans innately place subjective value on social information and orient attention to it. This can be shown through eye tracking and pupillometry, a method used to show attentional engagement. Social brain development and social preference is present from infancy, and is thought to rely on a carefully balanced network of neurotransmitters and neural connections. Autism Spectrum Disorder (ASD) presents altered neural systems which cause individuals to perceive and process social information differently, but the neurophysiology of this difference remains unclear. Previous research shows atypical gaze patterns, hyperarousal, and lack of orienting to social stimuli in ASD. Since autism is highly comorbid and shares traits with other neurodevelopmental disorders, it is difficult to distinguish aspects of these social processing differences. This study used a group of 35 neuropsychiatric patients to investigate how individuals with autism process social and non-social scenes. Eye tracking and pupillometry measures were collected while participants observed images of natural scenes with or without a person. Participants with autism did not show a pupillary response to social images and were slower to fixate on the face  region than the other participants. Additionally there were correlations between clinical measures of social functioning and the length of time it took to fixate to faces. The results highlight important distinctions of social processing in autism. This thesis proposes a new perspective of looking at the social deficits present in autism spectrum disorder. It suggests reframing the current discussion from two leading hypotheses to a unified approach and formally considering the limitations of differing types of stimuli.

Place, publisher, year, edition, pages
2018. , p. 54
Keywords [en]
Autism Spectrum Disorder, ESSENCE, pupillometry, eye tracking, social processing, orienting, gaze aversion
National Category
Neurology Psychiatry
Identifiers
URN: urn:nbn:se:his:diva-16325OAI: oai:DiVA.org:his-16325DiVA, id: diva2:1257471
External cooperation
Gillberg Neuropsychiatry Centre
Subject / course
Cognitive Neuroscience
Educational program
Cognitive Neuroscience: Mind, Brain and Wellbeing - Master’s Programme
Presentation
2018-05-24, Skövde, 15:17 (English)
Supervisors
Examiners
Available from: 2018-10-24 Created: 2018-10-21 Last updated: 2018-10-24Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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