When the anterior cingulate cortex becomes overactive, what then occurs in depressed patients?
A. Negative emotions overwhelm thinking and emotion.
B. Phenothiazines are released in massive quantities in the brain.
C. Thinking becomes clearer.
D. Mood improves significantly.
Answer: A
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A chronic but less severe form of bipolar disorder is
a. dysthymia. b. dysphoria. c. cyclothymia. d. depressive disorder.
What causes the primitive gonads to develop into masculine structures?
A. The X chromosome B. The sex region Y (SRY) gene C. The sexually dimorphic nucleus D. Müllerian inhibiting hormone
A weekend workshop group is making a decision. If we can assume that it is like most groups, then we can predict that in its decision making, the scheme followed most often by the group when there is no single objectively correct decision is
a. the first-shift rule. c. the majority-wins scheme. b. the truth-wins scheme. d. none of these.
Which of the following is a reason to use a design with more than two levels of an independent variable?
a. It allows us to compare more than two kinds of treatment in one study. b. It allows us to measure more than one dependent variable. c. It allows us to manipulate more than one dependent variable. d. It allows us to use a factorial design.