Opium is the naturally occurring source of ______.
A. endorphins
B. aspirin
C. codeine
D. OxyContin
Answer: C
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One hypothesized mechanism by which antidepressant medications help to regulate mood is the suppression of ______ sleep
a. ?N-REM stage 1 b. ?N-REM stage 2 c. ?N-REM stage 3 d. ?REM
What is the effect of increasing the time between treatment conditions in a within-subjects experiment?
a. an increase in the threat of time-related history effect b. a decrease in the threat of the order effect fatigue c. a decrease in the threat of a time-related maturation effect d. an increase in the threat of regression to the mean
The formation of procedural memories may involve activity in the a. dorsomedial thalamus
b. anterior thalamus. c. striatum. d. hippocampus.
A client at a mental institution is rewarded for improved grooming habits with coupons he can exchange for special foods or weekend passes. This technique is called
a. modeling. b. negative reinforcement. c. a token economy. d. systematic desensitization. e. flooding.