In a recent study, mice that were injected with a drug that mimics ______, a compound that normally builds up during wakefulness, showed antidepressant benefits without sleepiness:
A. serotonin
B. caffeine
C. adenosine
D. glutamate
Answer: C
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The personality trait of curiosity has been found to correlate positively with _______.
a. psychological well-being b. intelligence c. longevity d. all of the above
Among _____, a small group is high in physical aggression from childhood and through adolescence
A) girls but not boys B) boys but not girls C) both boys and girls D) None of the above.
Older adults emphasize the __________ function of interaction
When describing relationships between variables, a correlation of 0.00 indicates that
A. the variables are inversely proportional to each other. B. there is a decrease in the value of the variables. C. the variables are dependent on each other. D. there is no relationship between the variables.