Which cortical area shows a growth spurt of synapses and myelination at around 3 to 4 months?

A. medulla
B. basal ganglia
C. amygdala
D. auditory cortex


Answer: D

Psychology

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Marlene's desk becomes so messy that on occasion she cannot find an important paper she is looking for. After several incidents in which she suffered the consequences of not finding a paper she needed (such as a homework assignment), she learned to organize and straighten her desk. Marlene learned this new behavior through which operant conditioning procedure?

A. Positive reinforcement B. Negative reinforcement C. Punishment D. Extinction

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Frequent auditory hallucinations and bizarre, unconvincing delusions of persecution and grandeur are typical of

a. paranoid psychosis. b. paranoid schizophrenia. c. paranoid delusional disorder. d. disorganized paranoia.

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________, the pleasure of being touched and held, is important throughout life

a. Socialization b. Contact comfort c. Synchrony d. Maturation

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