Assessing early processing of eye gaze in schizophrenia: measuring the cone of direct gaze and reflexive orienting of attention

Kiley Seymour, Gillian Rhodes, Jonathan McGuire, Nikolas Williams, Linda Jeffery, Robyn Langdon

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Introduction: The accurate discrimination of another person’s eye-gaze direction is vital as it provides a cue to the gazer’s focus of attention, which in turn supports joint attention. Patients with schizophrenia have shown a “direct gaze bias” when judging gaze direction. However, current tasks do not dissociate an early perceptual bias from high-level top-down effects. We investigated early stages of gaze processing in schizophrenia by measuring perceptual sensitivity to fine deviations in gaze direction (i.e., the cone of direct gaze: CoDG) and ability to reflexively orient to locations cued by the same deviations. Methods: Twenty-four patients and 26 controls completed a CoDG discrimination task that used realistic direct-face images with six fine degrees of deviation (i.e., 3, 6 or 9 pixels to the left and right) and direct gaze, and a gaze cueing task that assessed reflexive orienting to the same fine-grained deviations. Results: Our data showed patients exhibited no impairment in gaze discrimination, nor did we observe a reduced orienting response. Conclusions: These results suggest that while patients may suffer deficits associated with interpreting another person’s gaze, the earliest processes concerned with detecting averted gaze and reflexively orienting to the gazed-at location are intact. © 2017 Informa UK Limited, trading as Taylor & Francis Group

Original languageEnglish
Pages (from-to)122-136
Number of pages15
JournalCognitive Neuropsychiatry
Volume22
Issue number2
Early online date14 Feb 2017
DOIs
Publication statusPublished - 4 Mar 2017

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Schizophrenia
Aptitude
Cues
Discrimination (Psychology)
Direction compound

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Assessing early processing of eye gaze in schizophrenia : measuring the cone of direct gaze and reflexive orienting of attention. / Seymour, Kiley; Rhodes, Gillian; McGuire, Jonathan; Williams, Nikolas; Jeffery, Linda; Langdon, Robyn.

In: Cognitive Neuropsychiatry, Vol. 22, No. 2, 04.03.2017, p. 122-136.

Research output: Contribution to journalArticle

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