Amphetamines appear to exert their main effects by altering the release and reuptake of
a. serotonin and acetylcholine.
b. dopamine and norepinephrine.
c. endorphins.
d. GABA.
B
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A researcher compares the speeches of American presidents to determine the presidents' needs for Achievement. The researcher's research was influenced by which personality theorist's work?
A. Gordon Allport B. Raymond Cattell C. Carl Jung D. Henry Murray
Which of these are side effects of lithium?
a) dizziness, increased thirst, and nausea b) blurred visions, dry mouth, and weight gain c) dizziness, drowsiness, and impaired memory d) lower white blood cell count, seizures, and weight gain
Affective states accompanied by physiological changes that often influence behavior are called __________
a. motives b. drives c. emotions d. traits
Emily selects a new paint color for her bedroom. She notices a difference between sky blue and midnight blue. Emily's ability to distinguish between these two colors can best be explained by the concept of
A. top-down processing. B. difference threshold. C. selective attention. D. sensory adaptation.