Comparing the human brain at age two to the human brain at birth, it is clear that ____
a. there are 50% more neurons
b. there are 50% fewer neurons
c. the number of neurons has not changed
d. there is no way to determine that change in the brain has occurred
Answer: B
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The placebo effect refers to
A) relief from symptoms without psychotherapy B) the alleviation of depression and anxiety by means of aerobic exercise C) the use of drugs in the treatment of psychological disorders D) the beneficial consequences of merely expecting that a treatment will be effective.
Ivan Pavlov used the term unconditioned to refer to . . .
A) a stimulus or event that increases the likelihood that behavior will be repeated. B) learning from the consequences of behavior. C) the process in which reinforcement is used to sculpt new responses out of old ones. D) stimuli and the automatic, involuntary responses they caused.