Drugs that tend to suppress dreaming by interfering with REM sleep include

a. amphetamines.
b. barbiturates.
c. opiates.
d. all of these.


D

Psychology

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As it relates to the topic of perception, what factor most influences a doctor's ability to detect a cancerous tumor on a mammogram?

A. how large an object must be before we can detect it B. how we are influenced by our culture C. what shape an object must be before we can detect it D. how consistent the object is with the principle of continuity

Psychology

Shaina starts crying because she thinks that her brother has disappeared, when in fact he just put on his Halloween mask. Piaget would say that Shaina is in the ____ stage and has not yet achieved ____.?

a. ?sensorimotor; object permanence b. ?sensorimotor; conservation c. ?preoperational; object permanence d. ?preoperational; conservation

Psychology

The variance of a distribution is defined as the sum of the squared deviations from the mean divided by the number of scores

Indicate whether the statement is true or false

Psychology

The most characteristic aspect of "memories" obtained by stimulating the brain is that they will

a. be one's most recent memories. b. be very unpleasant memories. c. seem very vivid. d. involve the most frequently recalled memories from one's past.

Psychology