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Restricted visual scanpaths and hyperarousal during emotion recognition in childhood social anxiety disorder

Published online by Cambridge University Press:  13 August 2021

J. Högström*
Affiliation:
Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
J. Lundin Kleberg
Affiliation:
Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
E. Serlachius
Affiliation:
Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
*
*Corresponding author.

Abstract

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Introduction

Social anxiety disorder (SAD) typically develops during late childhood or early adolescence, and often runs a chronic course if left untreated. Maladaptive processing of social information has been suggested to contribute to the etiology and maintenance of SAD. Scanpaths are a succession of visual fixations and saccades through which individuals extract information during face perception. Atypically long scanpaths have previously been reported in adults with SAD but no studies have been conducted on youth samples. SAD has previously also been linked to atypical arousal during face processing.

Objectives

This study aimed to investigate differences in visual attention and arousal to emotional faces comparing children and adolescents with SAD to a non-psychiatric population of youths.

Methods

In one of the largest eye-tracking studies of pediatric SAD to date, children and adolescents with SAD (n = 62) and healthy controls (n = 39) completed a task where they were meant to recognise different emotional expressions in pictures of faces while their eye movements were recorded. The visual scanpath and the pupil dilation response were examined.

Results

Youth with SAD showed restricted scanpaths, suggesting they scanned a more limited part of the face during face perception. Higher pupil dilation was also observed in the children and adolescents with SAD.

Conclusions

The restricted pattern of scanpath observed in youth with SAD is contrary to findings among adults, but similar to what has been reported in neurodevelopmental disorders associated with social interaction impairments such as autism. Restricted scanpaths may partially contribute to the maintencance of social anxiety disorder.

Disclosure

No significant relationships.

Type
Abstract
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of the European Psychiatric Association
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