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Related Experiment Videos

Obesity and perceptual reactance.

C C Hughes, J M Mahoney

    The Journal of General Psychology
    |April 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Obese individuals tend to amplify internal hunger cues, a trait linked to perceptual reactance. This study found obese participants, especially females, showed heightened perceptual reactance, supporting the theory that altered sensory perception contributes to obesity.

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    Area of Science:

    • Psychology
    • Physiology
    • Obesity Research

    Background:

    • Obesity is linked to anomalous perception of internal gastric states.
    • Individuals with obesity may exhibit heightened sensitivity to distraction.
    • Perceptual reactance variations may influence how visceral cues are perceived.

    Purpose of the Study:

    • To investigate if obese individuals are overrepresented at the "augmenter" end of the perceptual reactance continuum.
    • To explore the relationship between obesity, perceptual reactance, and sex.

    Main Methods:

    • Assessed perceptual reactance using the Kinesthetic Figural Aftereffect (KFA) test.
    • Compared perceptual reactance levels between 13 obese and 14 nonobese college students.
    • Analyzed the relationship between perceptual reactance, weight deviation, and sex.

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    Main Results:

    • A significant positive correlation was found between perceptual reactance category and mean percent weight deviation.
    • A significant interaction effect of sex and perceptual reactance category was observed.
    • The hypothesized relationship was stronger in females.

    Conclusions:

    • Obesity may be associated with an "augmenting" perception of internal hunger cues.
    • Altered sensory perception, particularly perceptual reactance, could be a contributing factor to obesity.
    • Sex differences may influence the relationship between perceptual reactance and obesity.