The force of a movement is most directly controlled by
a. the rate of motor neuron firing alone
b. recruitment of motor units alone.
c. feedback from muscle spindles and recruitment.
d. the rate of motor neuron firing and recruitment.
d
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In order for later adolescents to be successful in achieving autonomy,
a. secure attachments must be dissolved. b. there must be a context of mutual caring, emotional support, and differentiation in the family. c. they must feel that parents do not accept their need to have their opinions and views. d. they must sense that their parents are no longer committed to their well-being.
Ivan, a teacher, spends most of his time working with male students because he believes that they have the best chance of being admitted into the advanced program. As a result, the male students do perform better and are admitted more often than females. This example illustrates ____
a. ?a self-fulfilling prophecy b. ?a self-serving bias hypothesis c. ?prejudice without discrimination d. ?the contact hypothesis
Aggression in rhesus monkeys can be reduced by removing the a. cerebral cortices
b. hypothalamus. c. thalamus. d. amygdala.
Andrew underwent a Wada test, in which one hemisphere is anesthetized at a time, prior to brain surgery. When his right hemisphere was anesthetized, he was unable to speak. How would Andrew's physicians most likely interpret this result?
A. They must have made a mistake, because language functions are supposed to be managed by the left hemisphere. B. Andrew must have had a hemispherectomy for Rasmussen's syndrome many years ago. C. Andrew is one of a minority of people whose language is managed by the right hemisphere. D. Andrew must be bilingual. It is likely that he will still be able to speak in his other language.