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Predicting perceptual defense

M W York1, J A Rabinowitz, K Burdick

  • 1University of New Haven, West Haven, CT 06516-1999, USA.

Perceptual and Motor Skills
|February 1, 1996
PubMed
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Perceptual defense, the tendency to resist perceiving unpleasant stimuli, was investigated. Emotional arousal and word meaning explained only 3% of this phenomenon, indicating more research is needed.

Area of Science:

  • Psychology
  • Cognitive Science

Background:

  • Perceptual defense, first proposed by McGinnies (1949), describes the resistance to perceiving unpleasant stimuli.
  • Previous research by York et al. (1984) and Perroncel et al. (1990) replicated and extended these findings.

Purpose of the Study:

  • To determine if emotional arousal and connotative word meaning predict perceptual defense.
  • To assess the predictive power of Galvanic Skin Response (GSR) and Semantic Differential (SD) scores (Evaluative, Potency, Activity).

Main Methods:

  • Investigated four independent variables: GSR, and SD scores for Evaluative, Potency, and Activity.
  • Utilized a multiple correlation analysis to assess predictive relationships.

Main Results:

  • The multiple correlation coefficient (R) was .19.

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  • The four independent variables accounted for only 3% of the variance in perceptual defense.

    • Conclusions:

    • Emotional arousal and connotative word meaning have limited predictive power for perceptual defense.
    • Further research is essential to identify the key factors influencing perceptual defense.