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Computational analysis of gaze behavior in autism during interaction with virtual agents

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Akhtar, Zeeshan and Guha, Tanaya (2019) Computational analysis of gaze behavior in autism during interaction with virtual agents. In: International Conference on Acoustics, Speech and Signal Processing (ICASSP, Brighton, 12-17 May 2019. Published in: ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) doi:10.1109/ICASSP.2019.8682943 ISSN 2379-190X.

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Official URL: https://doi.org/10.1109/ICASSP.2019.8682943

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Abstract

Individuals with Autism spectrum disorder (ASD) are known to have significantly impaired social interaction and communication abilities. These impairments are characterized by their difficulties in using and perceiving non-verbal cues, such as facial expressions. The difficulty in processing communicators’ facial expressions is often attributed to the atypical gaze patterns in individuals with ASD. We present a computational study of gaze behavior in adolescents with ASD during their interaction with virtual agents (avatars) in a virtual reality based social communication platform. We study the implications on the subjects pupil response (pupil diameter changes) and looking pattern (fixation coordinates and duration) when exposed to the avatars demonstrating context-relevant emotional expressions. The data related to fixation and pupil response is collected using a commercial eye-tracker for subjects with and without ASD during their interactions with the avatars. This data is analyzed to investigate how the pupil response dynamics and fixation patterns of the ASD group differ from their typically developing peers. Our results indicate that communicators’ facial expressions can significantly affect the gaze behavior of the ASD subjects. We also observe reduced complexity in the pupil response dynamics, and lower synchrony between pupil response and fixation pattern in the ASD group.

Item Type: Conference Item (Paper)
Subjects: R Medicine > RJ Pediatrics
Divisions: Faculty of Science, Engineering and Medicine > Science > Computer Science
Library of Congress Subject Headings (LCSH): Youth with autism spectrum disorders, Autistic youth
Journal or Publication Title: ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
Publisher: IEEE
ISSN: 2379-190X
Official Date: 17 April 2019
Dates:
DateEvent
17 April 2019Published
1 February 2019Accepted
DOI: 10.1109/ICASSP.2019.8682943
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 19 February 2019
Date of first compliant Open Access: 19 February 2019
Conference Paper Type: Paper
Title of Event: International Conference on Acoustics, Speech and Signal Processing (ICASSP
Type of Event: Conference
Location of Event: Brighton
Date(s) of Event: 12-17 May 2019
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