Altered perception of facially expressed tiredness in insomnia

AKRAM, Umair, SHARMAN, Rachel and NEWMAN, Amy (2018). Altered perception of facially expressed tiredness in insomnia. Perception, 47 (1), 105-111.

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Official URL: http://journals.sagepub.com/doi/10.1177/0301006617...
Link to published version:: https://doi.org/10.1177/0301006617725241
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    Abstract

    The present study compared normal sleepers and individuals displaying insomnia symptoms in their ratings for the expression intensity of tiredness and alertness whilst observing tired and neutral faces. Fifty-six normal sleepers and 58 individuals with insomnia symptoms observed 98 facial photographs (49 neutral, 49 tired). Using a visual analogue scale, participants were required to rate the extent to which each face appeared as tired and alert. Tired faces were created by manipulating neutral photographs to include previously identified facial tiredness cues. All participants rated sleep-related faces as more tired and less alert relative to neutral photographs. A significant Group × Face × Rating interaction demonstrated that, compared with normal sleepers, the insomnia symptoms group showed lower ratings for the expression of tiredness, but not alertness, whilst observing the tired faces. The findings suggest that the presence of insomnia symptoms is associated with reduced ratings of expression intensity for sleep-related facial photographs displaying tiredness. These outcomes add to the body of literature on how facial cues of tiredness are perceived by those with insomnia symptoms. Further work is required to elucidate the mechanisms underlying the relationship between insomnia symptoms and reduced perceptions of facially expressed tiredness.

    Item Type: Article
    Additional Information: ** From PubMed via Jisc Publications Router.
    Uncontrolled Keywords: face perception, faces, insomnia, sleep, tiredness
    Departments - Does NOT include content added after October 2018: Faculty of Social Sciences and Humanities > Department of Psychology, Sociology and Politics
    Identification Number: https://doi.org/10.1177/0301006617725241
    Page Range: 105-111
    SWORD Depositor: Jill Hazard
    Depositing User: Jill Hazard
    Date Deposited: 22 Aug 2017 09:00
    Last Modified: 08 Jul 2019 17:45
    URI: http://shura.shu.ac.uk/id/eprint/16579

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