Microexpressive Facial Actions as a Function of Affective Stimuli: Replication and Extension

@inproceedings{Cacioppo1992MicroexpressiveFA,
  title={Microexpressive Facial Actions as a Function of Affective Stimuli: Replication and Extension},
  author={John T. Cacioppo and Lauren K. Bush and Louis G. Tassinary},
  year={1992}
}
The effects of communicative intent and stimulus affectivity on facial electromyogrqphic (EMG) activity were investigated. Subjects viewed slides of pleasant, neutral, or unpleasant social or nature scenes under no instruction, inhibit-expression instructions, and amplify-expression instructions. Results revealed that facial EMG activity was highest in the amplify and lowest in the inhibit condition; EMG activity over the corrugator supercilii region varied as a function of the affective… CONTINUE READING

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