Neurogenesis is
A) a normal process in which nerve cells form.
B) a degenerative neural problem in some embryos.
C) the beginning of damage to the fetal brain due to alcohol use by the mother.
D) the result of cocaine use during pregnancy.
A
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When do children begin to say phrases and word combinations that they have not heard before?
a. As soon as they start linking two words together b. As soon as they start producing complete sentences c. About six months after they start producing complete sentences d. By about age 5 or 6 years
Jake trips; he knocks his elbow against the edge of the door jamb while simultaneously stubbing his toe on a chair. Based on the work of von Helmholtz’s, which of the following is likely to occur?
a. The intensity of the elbow pain is greater than that of the toe pain. b. The intensity of pain for both the toe and elbow is equal. c. He experiences the elbow pain before the toe pain. d. He experiences the toe and elbow pain instantaneously.
What tends to happen to people as they age with regard to circadian preference?
A. People's tendency for circadian preference remains unchanged until the late 70's. B. People tend to become more like evening persons after reaching middle adulthood. C. People tend to become more like afternoon persons after reaching middle adulthood. D. People tend to become more like morning persons after reaching middle adulthood.
Which of the following is likely to be a reason for couples to choose not to have children?
a. New career opportunities for women b. Desires for dependence on each other c. People marrying younger d. Concerns about the likelihood of divorce