Psychophysiological responses as indices of affective dimensions.

  title={Psychophysiological responses as indices of affective dimensions.},
  author={C V Witvliet and Scott R. Vrana},
  volume={32 5},
The startle reflex, facial electromyogram (EMG), and autonomic nervous system responses were examined during imagery varying in affective valence and arousal. Subjects (N = 48) imagined affective situations during tone-cued 8-s trials. Startle blink magnitudes were larger and latencies faster during negatively valent than during positively valent conditions and during high-arousal than during low-arousal conditions. Greatest heart rate acceleration and fastest and largest skin conductance… CONTINUE READING
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