What subcortical structure is critical for somatosensory processing?
A. hypothalamus
B. thalamus
C. amygdala
D. hippocampus
Answer: B
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An exchange theory of group formation suggests that
a. people like to “exchange” their groups for new ones every so often. b. when people join groups, they exchange their self for the collective self. c. once a change stabilizes it becomes an exchange. d. groups form when members invest in the relationship by rewarding one another.
On a job site, a whistle blows at 12 noon to indicate lunch break. For the workers, the whistle acts as a
a. positive, primary reinforcer. b. positive, generalized reinforcer. c. negative, generalized reinforcer. d. positive, secondary reinforcer.
The abbreviation CS stands for __________
a) conditioned stimulus. b) correlated stimulus. c) conventional structure. d) conditional situation.
Which of the following principles states that two stimuli must differ by a constant minimum percentage to be perceived as different?
A. Weber's law B. the volley principle C. perceptual attention D. Ricco's law