Studies by Ekman and colleagues suggest that
a. simulated facial emotional expression changes sympathetic activity.
b. fear and happiness produce similar changes in the autonomic nervous system.
c. simulated facial emotional expression changes parasympathetic activity.
d. different emotions are expressed in similar ways by the facial muscles.
e. emotions are determined by culture.
Question 2
With regard to facial emotional expression,
a. the sides of the face are equivalent during emotional expression.
b. positive emotions are more strongly displayed on the right side of the face.
c. negative emotions are more strongly displayed on the right side of the face.
d. positive emotions are more strongly expressed than are negative emotions.
e. negative emotional expressions are more intensely expressed on the left side of the face.
The heavily worn, and sometimes cutmarked, anterior teeth of Neadertals suggest that these teeth wer
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