Which statement about sleep is TRUE?
A) Newborns sleep less than do the elderly.
B) REM sleep is most pronounced in the first 30 minutes of sleep.
C) Over the course of a night, we usually sleep 2 hours for every hour that we had been awake.
D) We sleep less per night as we age.
D) We sleep less per night as we age.
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What effect do depressants have on the body?
a. They speed up activity in the central nervous system. b. They decrease the appetite for carbohydrates. c. They slow down activity in the central nervous system. d. They increase sympathetic nervous system arousal.
Which of the following is true of people in a fugue state?
a. Their new identity is usually more withdrawn and inhibited than their original personality. b. Their sense of self usually returns in a matter of hours or days. c. They act less purposefully than people with amnesia. d. While they typically regain most memory of their original identity, they always retain all memories of their activities during the fugue state.
A group of researchers exposed experimental animals to severe trauma over a course of several months. The animals were sacrificed so that the researchers could examine the animals for evidence of any changes in the brain
What are they likely to find? a) enlarged pons b) enlarged basal ganglia c) reduced size of the frontal lobes d) reduced size of the hippocampus
A researcher reports that 30% of the participants in the sample were between the ages of 45 and 65. What type of descriptive statistic is the researcher reporting?
A. percentage B. frequency C. cumulative percentage D. central tendency