How does the sleep of an average adult change across the night?
a) REM periods increase in length.
b) Stage 2 sleep drops out completely.
c) The amount of Stage 4 sleep increases.
d) There are more alpha brain waves each hour.
A
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Langer and colleagues found that by providing sixth-grade students with trainingin which
they envisioned the challenges facing people with disabilities, the students were subsequently a. more likely to associate with disabled persons. b. less likely to associate with disabled persons. c. unchanged in their likelihood of associating with disabled persons. d. at first reluctant, but then willing to associate with disabled persons. e. at first willing, but then reluctant to associate with disabled persons.
What is an advantage of fMRI in comparison to PET scans? a. An fMRI can be used without asking for informed consent
b. An fMRI requires no electrical or chemical equipment. c. An fMRI provides detailed information about axons, dendrites, and cell bodies. d. An fMRI does not expose the brain to radioactivity.