In which component of the ear is the initial stimulus converted to an electrical signal?
A. Cochlea
B. Stirrup
C. Eardrum
D. Pinna
Answer: A
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In the card-sorting task in which children first sort on the basis of shape and then have to shift to sorting on the basis of color (or vice versa), there is a transition in ability to switch rules between ages 3 and 4 years. Using near-infrared spectroscopy (NIRS), researchers found that these behavioral improvements were associated with a rise in brain activity in the __________.
A. sensorimotor cortex B. visual cortex C. motor cortex D. frontal lobes
Juan has battled moderate depression for most of his life. He seeks out the help of a mental health professional, who recommends a form of psychotherapy known as brief therapy. What can Juan expect from this type of therapy?
a. ?The therapy will be based on solution-building rather than on problem-solving. b. ?Juan will be given the tools to reflect on his problems at home and will report back to his therapist periodically. c. ?Instead of hour-long sessions four to five times per week, the sessions will be restricted to 15-minute sessions over the course of several years. d. ?Juan will spend brief periods of time with his therapist and then meet in longer group sessions with other clients experiencing similar problems.
Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called
A. amphetamines. B. depressants. C. endorphins. D. ecstasy.
You want to reduce your grandfather's prejudiced beliefs about a particular group of people. One solution is to make sure he has contact with group members who
A. have similar hobbies. B. are from a similar region or hometown. C. are from similar socioeconomic groups. D. have similar personal goals.