Current research into neurotransmitter systems has produced the "permissive" hypothesis, which means that
A. low levels of serotonin are sufficient to explain the etiology of mood disorders.
B. the norepinephrine system regulates serotonin levels; if norepinephrine is low, depression will occur.
C. when serotonin levels are low, other neurotransmitter systems become dysregulated and contribute to mood irregularities.
D. the absolute levels of neurotransmitters are more significant in mood regulation than the overall balance of the various neurotransmitters.
Answer: C
You might also like to view...
In binocular rivalry, you see an image in one eye and an incompatible image in the other. What do you perceive?
a. Something halfway between the two images b. Alternation between one image and the other c. One image on top of the other d. Something different from both images
There is __________ threshold level below which we can confidently say that alcohol has no effect on the developing fetus.
A. no B. a low C. a moderately high D. a very high
Dr. O'Donnell studies why children play in gender-segregated groups and how such play might lead to adult gender-typed behaviors. Dr. O'Donnell's research is in the realm of
A) cognitive psychology. B) ecological systems theory. C) sociocultural theory. D) evolutionary developmental psychology.
In many Western cultures, group accomplishments are valued less than:
A. collectivist accomplishments. B. societal accomplishments. C. individualistic accomplishments. D. mindfulness.