In a laboratory setting, a rat has experienced shock each time it has been placed inside Chamber A. Over time, the rat shows a fear response as soon as it is placed in the chamber
After the destruction of the ____________ of the amygdala, the animal no longer shows a fear response when placed in the chamber.
a. central nucleus
b. lateral nucleus
c. basal nucleus
d. dorsal nucleus
e. medial nucleus
Answer: a. central nucleus
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Which of the following is the most typical course of depressive disorder?
a. a single episode of mania b. repeated episodes of major depression c. a single episode of major depression d. cycling episodes of depression and mania
Young Raina is just a few months old, and her parents delight in seeing her reaction to new sights and sounds. Her mother, Lianna, bought her a new toy that hangs from the handle of her car seat and sparkles brightly. When Raina first sees this new toy,
she smiles, coos, and stares at it intently. After just a few minutes, however, Lianna is surprised to see that Raina is looking away, and appears almost bored with this new toy. Developmental psychologists refer reduced responding to a familiar stimulus as __________. a. habituation b. stimulus decay c. the repeated response effect d. disinhibition