Effects of positive and negative affect on electromyographic activity over zygomaticus major and corrugator supercilii.

  title={Effects of positive and negative affect on electromyographic activity over zygomaticus major and corrugator supercilii.},
  author={J. Larsen and Catherine J. Norris and J. Cacioppo},
  volume={40 5},
  • J. Larsen, Catherine J. Norris, J. Cacioppo
  • Published 2003
  • Psychology, Medicine
  • Psychophysiology
  • Pleasant stimuli typically elicit greater electromyographic (EMG) activity over zygomaticus major and less activity over corrugator supercilii than do unpleasant stimuli. To provide a systematic comparison of these 2 measures, the authors examined the relative form and strength of affective influences on activity over zygomaticus major and corrugator supercilii. Self-reported positive and negative affective reactions and facial EMG were collected as women (n = 68) were exposed to series of… CONTINUE READING
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