Studies that have evaluated concordance rates for depressive and bipolar disorders have found
a. only unipolar disorder has a genetic component.
b. the influence of genetic factors appears to be stronger for unipolar disorders than for bipolar disorders.
c. the influence of genetic factors is the same for both bipolar and unipolar disorders.
d. the concordance rate for identical twins is much higher than the rate for fraternal twins .
D
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Which of the following treatments is most consistent with the view that bodily fluids cause mental disorders?
a. purging b. exorcism c. fever therapy d. electroconvulsive therapy
___________ is a chemical that binds to the same receptors on brain cells as do cannabinoids that researchers are using to study how the cannabinoid receptors affect various functions
a. Anandamide b. CBZ c. Acetylcholine d. Serotonin
The dorsal stream ends in the __________ cortex.
A. parietal B. temporal C. frontal D. occipital
Which of the following is NOT a symptom of depression?
A. Fatigue B. Feelings of worthlessness C. Dwelling on the past D. Diminished pleasure in most activities