One possible reason for more frequent mutations in sperm cells than in egg cells is that
a. less DNA copying is involved in the process of forming sperm cells.
b. sperm cells are produced only once.
c. egg cells must be produced monthly.
d. egg cells are produced only once.
Answer: d. egg cells are produced only once
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Why could it be said that Joseph Wolpe finished what John Watson had started?
A. Watson discovered phenothiazines and Wolpe used them to treat schizophrenia. B. Watson originated the idea of free association; Wolpe refined it. C. Wolpe developed a technique to reduce Little Albert's fear. D. Wolpe conducted scientific studies based on Watson's theory of free association.
Slow-wave sleep is comprised of ____
a. alpha wave sleep b. stages 1 and 2 c. stages 3 and 4 d. REM sleep
Which of the following research findings is most consistent with the claim that antidepressants are being overprescribed for treating depression?
A. Between 30% and 60% of patients treated with SSRIs report problems with sexual activity, likely caused by their reduction in the activity of the gaseous neurotransmitter nitric oxide (NO). B. Depression appears to reduce the number of neurons found in the hippocampus, but antidepressants may both halt this loss and promote the birth of new neurons. C. When patients fail to respond to antidepressants, other biological treatments might be used to treat MDD, such as ECT, deep brain stimulation, or rtMS. D. Antidepressant clinical trials as a whole have small (0.30) effect sizes, even when severely depressed individuals are included in the sample.
Otero-Millan, Macknik, and Martinez-Conde (2012) showed the rotating snake illusion to participants and asked them to indicate when the perceived motion was at a maximum and to indicate when the figure appeared to be not rotating. They found that the perception of motion was ______.
A. highly correlated with the micro-saccades, which they measured via eye tracking B. associated with smooth pursuit eye movements C. associated with beta motion induced by the figure D. highly correlated with activity in the anterior intraparietal region