Andy has decided to seek medical help for a serious sleep difficulty, mood disturbance, and appetite problems. Which neurotransmitter is most likely involved in the problems Andy is experiencing?
a) GABA
b) dopamine
c) serotonin
d) norepinephrine
ANS: c
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In Exercise 42, the generalization gradient that was produced following simple tone-on S- (2.0 kHz) discrimination learning covered the range from 1.0 to 3.0 kHz. The gradient was highest at
a. 1.0 kHz. b. 1.5.kHz. c. 2.0 kHz. d. 2.25 kHz
Peak levels of caffeine after taking a dose occur in __________
a. 1 - 2 minutes b. 5 - 10 minutes c. 15 - 45 minutes d. 1 - 2 hours
According to Jenkin's (1979) tetrahedral model of memory experiments, researchers make choices along _______ dimensions
a. two b. four c. five d. eight
If an important effect has been identified correctly in the laboratory, then
a. the same effect should be observable outside the laboratory. b. no additional research will ever be needed in order to apply this finding outside the laboratory. c. statements about causality are not justified. d. further research outside the laboratory is not important.