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Visual scanpath training to emotional faces following severe traumatic brain injury: A single case design

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journal contribution
posted on 09.02.2022, 04:17 by Suzane VassalloSuzane Vassallo, Jacinta DouglasJacinta Douglas
The visual scanpath to emotional facial expressions was recorded in BR, a 35-year-old male with chronic severe traumatic brain injury (TBI), both before and after he underwent intervention. The novel intervention paradigm combined visual scanpath training with verbal feedback and was implemented over a 3-month period using a single case design (AB) with one follow up session. At baseline BR's scanpath was restricted, characterised by gaze allocation primarily to salient facial features on the right side of the face stimulus. Following intervention his visual scanpath became more lateralised, although he continued to demonstrate an attentional bias to the right side of the face stimulus. This study is the first to demonstrate change in both the pattern and the position of the visual scanpath to emotional faces following intervention in a person with chronic severe TBI. In addition, these findings extend upon our previous work to suggest that modification of the visual scanpath through targeted facial feature training can support improved facial recognition performance in a person with severe TBI.

History

Publication Date

31/08/2021

Journal

Journal of Eye Movement Research

Volume

14

Issue

4

Article Number

6

Pagination

16p.

Publisher

Bern Open Publishing

ISSN

1995-8692

Rights Statement

This article is licensed under a Creative Commons Attribution 4.0 International license.