Attention deficit/hyperactivity disorder is one of the most common psychological problems in school-aged children. Researchers estimate that:
a. the disorder affects 3–5% of all children
b. approximately 10% of all children are affected by the disorder
c. the disorder is evident in nearly 25% of all children
d. over 50% of all children are affected by the disorder
A
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Signals sent from the suprachiasmatic nucleus to the pineal gland have been implicated in
a. inducing sleep. b. causing one to dream. c. alpha rhythm generation. d. adjusting one's biological clock.
Atim displays learned helplessness. His teacher addresses this by giving him tasks in which he experiences failure, followed by feedback such as, "You can do this if you try harder." Atim is
A) receiving attribution retraining. B) experiencing identity confusion. C) likely to resent the teacher's efforts to make him work harder. D) learning the importance of attributing success to external factors.
When you were a child, your mother never cared for spicy food. But now, she prefers spicy food. Which of the following is the best explanation for her change in tastes?
A. Her number of papillae has decreased. B. Her number of taste buds has decreased. C. Her taste receptors are less active. D. Neurotransmitter release by taste receptors has decreased.
Rats that have a damaged __________ would probably show little or no fear when placed next to a cat.
A. hippocampus B. hypothalamus C. fornix D. amygdala