One prominent theory of the origin of depression hypothesizes that, if one becomes hopeless about his or
her future, then he or she will become depressed. Thus, in this theory, hopelessness may be said to be a
________ cause of depression.
A) distal B) sufficient C) necessary D) contributory
B
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To extinguish a classically conditioned response is to eliminate it completely
a. True b. False Indicate whether the statement is true or false
Recent research has demonstrated that adult humans
a. can form new neurons throughout the central nervous system, but not in the peripheral nervous system. b. can form new neurons in the olfactory bulb and hippocampus. c. can form new neurons throughout the peripheral nervous system, but not in the central nervous system. d. do not generate any new neurons once they are past adolescence.
The elderly are more sensitive to drug effects because their enzyme systems may be impaired, resulting in increased duration of drug action
a. True b. False Indicate whether the statement is true or false
The region of the cortex that processes visual information in the brain is the:
A. association cortex. B. auditory cortex. C. visual cortex. D. somatosensory cortex.