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    To remove or not to remove? Removal of the unconditional stimulus electrode does not mediate instructed extinction effects

    234577_234577.pdf (784.1Kb)
    Access Status
    Open access
    Authors
    Luck, Camilla
    Lipp, Ottmar
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Luck, C. and Lipp, O. 2015. To remove or not to remove? Removal of the unconditional stimulus electrode does not mediate instructed extinction effects. Psychophysiology. 52 (9): pp. 1248-1256.
    Source Title
    Psychophysiology
    DOI
    10.1111/psyp.12452
    ISSN
    0048-5772
    School
    School of Psychology and Speech Pathology
    Remarks

    This is the peer reviewed version of the following article: Luck, C. and Lipp, O. 2015. To remove or not to remove? Removal of the unconditional stimulus electrode does not mediate instructed extinction effects. Psychophysiology. 52 (9): pp. 1248-1256., which has been published in final form at http://doi.org/10.1111/psyp.12452This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving at http://olabout.wiley.com/WileyCDA/Section/id-820227.html#terms

    URI
    http://hdl.handle.net/20.500.11937/26684
    Collection
    • Curtin Research Publications
    Abstract

    Following differential fear conditioning, the instruction that the unconditional stimulus will no longer be presented (instructed extinction) reduces differential electrodermal responding to CS+ and CS-, but does not affect differential conditional stimulus valence evaluations. Reductions in differential electrodermal responding have been attributed to the provision of verbal instructions; however, during instructed extinction the unconditional stimulus electrode is often removed as well. This removal could reduce the participants' general arousal levels rendering the detection of differential electrodermal responding difficult. The current study examined this alternative interpretation by comparing the electrodermal responses and conditional stimulus valence evaluations of an instruction/electrode-on group, an instruction/electrode-off group, and a control group who were not instructed. Following instructed extinction, differential electrodermal responding was eliminated in both instruction groups, an effect that was not influenced by the attachment/removal of the electrode. Replicating previous findings, conditional stimulus valence was not affected by instructed extinction. The results suggest that verbal instructions, not unconditional stimulus electrode removal, reduce differential electrodermal responding during instructed extinction manipulations.

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