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    Psychophysical measures of sensitivity to facial expression of emotion.

    191366_81324_Marneweck__Loftus___Hammond__2013.pdf (1.109Mb)
    Access Status
    Open access
    Authors
    Marneweck, M.
    Loftus, Andrea
    Hammond, G.
    Date
    2013
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Marneweck, Michelle and Loftus, Andrea and Hammond, Geoffrey. 2013. Psychophysical measures of sensitivity to facial expression of emotion. Frontiers in Psychology. 4 (63): pp. 1-6.
    Source Title
    Frontiers in Psychology
    DOI
    10.3389/fpsyg.2013.00063
    ISSN
    1664-1078
    Remarks

    This open access article is distributed under the Creative Commons license http://creativecommons.org/licenses/by/3.0/

    URI
    http://hdl.handle.net/20.500.11937/9746
    Collection
    • Curtin Research Publications
    Abstract

    We report the development of two simple, objective, psychophysical measures of the ability to discriminate facial expressions of emotion that vary in intensity from a neutral facial expression and to discriminate between varying intensities of emotional facial expression. The stimuli were created by morphing photographs of models expressing four basic emotions, anger, disgust, happiness, and sadness with neutral expressions. Psychometric functions were obtained for 15 healthy young adults using the Method of Constant Stimuli with a two-interval forced-choice procedure. Individual data points were fitted by Quick functions for each task and each emotion, allowing estimates of absolute thresholds and slopes. The tasks give objective and sensitive measures of the basic perceptual abilities required for perceiving and interpreting emotional facial expressions.

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