Single-unit recordings __________.
A. are made using macroelectrodes placed on the skull surface
B. represent summated neural activity of many neurons
C. indicate that serotonergic neuron activity is silent during REM sleep
D. suggest that serotonin-containing neurons excite REM sleep
Answer: C
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Group games permit children to shift roles. This contributes to which of the following?
a. Emotional regulation b. Fantasy c. Perspective-taking abilities d. Self-esteem
All of the following seem to be the case for many affluent parents in the U.S. except
a. their children believe that they are extraordinary. b. they like to let coaches and teachers know how special their children are. c. they want to protect their children from feelings of failure. d. their children are usually able to deal well with challenges
Which one of the following groups has the highest rate of children who are poor?
a. White b. Hispanic American c. African American d. American Indian
Adolescents who reach the formal operational stage of cognitive development __________
A) are not capable of hypothetico-deductive reasoning B) can only “operate on reality” C) no longer require concrete things or events as objects of thought D) cannot yet come up with general logical rules through internal reflection