When a vertebrate animal contracts the flexor muscles of a leg, it relaxes the extensor muscles of the same leg. Sherrington considered this evidence for the existence of ____.
A. spatial summation
B. temporal summation
C. inhibitory messages
D. the delay in transmission at synapses
Answer: C
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Paul Eckman's research indicates that ____
a. emotional expressions are similar in collectivist but not individualistic cultures b. while females can recognize emotions across cultures, males cannot c. adults are less proficient at recognizing emotions across cultures than are children d. people can understand each other's emotions even across diverse cultures
Mindguards increase the odds that groupthink will occur.
Answer the following statement true (T) or false (F)
The concordance rate for homosexuality in female identical twins is about
(a) .01% (b) .1% (c) 1 - 5% (d) 50%
Stefanie is feelings stressed because yet again she has taken on too many projects which need to be completed in a short period of time. When she expresses her concerns to her friend Stacy, Stacy endorses her statement by responding:
a. "I know you are stressed. It's hard to complete so much in so little time." b. "You always say that, yet you always overwork yourself." c. "You worry too much about deadlines; no one cares if everything is in on time." d. "You work better under pressure; get over it."