Gaps in the myelin sheath that allow the neural signals to travel at a greater speed are called:
a. axon hillocks
b. salutatory conductors
c. nodes of Ranvier
d. nodules of Descartes
C
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According to the activation-synthesis theory of dreaming, the source of a dream is neuronal firing in the __________.
A. diencephalon B. cortex C. brainstem D. optical lobe
Marian watches Jan’s two kids one afternoon while Jan gets a haircut. The next weekend, Marian asks Jan if she will keep her three kids the whole weekend while she and her husband go to her class reunion. According to research on compliance, what is likely to happen?
a. Jan will most likely refuse Marian's request. b. Jan will most likely agree to Marian's request. c. Whether Jan agrees or refuses will depend mainly on the age and temperament of Marian's children. d. There is no way to predict Jan's decision from the information presented.
Epinephrine is
A. released by nuclei in the brainstem. B. released by the adrenal glands. C. produced in the central nucleus of the amygdala. D. activated by the basolateral amygdala.
During middle childhood, children:
A. start fearing strangers. B. fear bodily harm and injuries. C. grow less fearful of failure and criticism in school. D. become more fearful of imaginary creatures.