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Neurophysiological effects associated with subliminal conditioning of appetite motivations

Amd, Micah and Baillet, Sylvain (2019) Neurophysiological effects associated with subliminal conditioning of appetite motivations. Frontiers in Psychology, 10 . pp. 457-468. ISSN 1664-1078

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    Abstract

    When attempting to encourage eating, explicitly providing statements like “eating is pleasant” may produce little effect. This may be due to subjective, negatively-valenced narratives evoked by perception of the verb “eating” (e.g., eating →fat →lonely), overriding any explicitly provided eating-pleasant valence information. In our study, we presented eating-related verbs under subliminal visual conditions to mitigate the onset of eating-associated deliberation. Verbs were linked with neutral or positively valenced terms across independent blocks. Modulations of event-related magnetoencephalographic (MEG) components and parietal activations in the alpha range (8–12 Hz) illustrated a significant effect of valence during pre-lexical time windows. We found significantly greater saliva production and declarations of increasing hunger after eating-related verbs were linked with positive terms. Orally reported preferences did not vary between conditions.

    Item Type: Journal Article
    Subjects: B Philosophy. Psychology. Religion > BF Psychology
    H Social Sciences > H Social Sciences (General)
    Divisions: Faculty of Arts, Law and Education (FALE) > School of Social Sciences
    Depositing User: Micah Ahmad
    Date Deposited: 15 Jul 2019 15:02
    Last Modified: 15 Jul 2019 15:04
    URI: http://repository.usp.ac.fj/id/eprint/11661
    UNSPECIFIED

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