Which of the following effects on the brain has not been noted by research into sleep deprivation?
a. Sleep deprivation disrupts the ability of the thalamus to send messages to the amygdala.
b. Sleep deprivation leads to a diminishing of proteins that help neurons grow and survive.
c. Sleep deprivation can hinder the creation of cells in the hippocampus.
d. Sleep deprivation leads to an impairment of subsequent learning.
Answer: A
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If you fell forward and hit your forehead very hard on a concrete sidewalk, you can expect to have problems with which of the following?
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In Canada and Western Europe, where community- and school-based clinics offer adolescents contraceptives and where universal health insurance helps pay for them, __________ is/are much __________ than in the United States
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