Which of the following is a true statement of the imaging technologies used to study brain anatomy?
a. The MRI uses radioactively labeled oxygen.
b. The PET scan uses radioactively labeled 2-DG.
c. fMRI scans have relatively poor spatial resolution.
d. PET scans have a high degree of temporal resolution.
B
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During sleep, when is brain activity highest and muscle activity least?
a. Brain activity and muscle activity are least during REM. b. Brain activity and muscle activity are least during Stage 4 sleep. c. Brain activity is greatest during REM and muscle activity is least during Stage 4 sleep. d. Brain activity is greatest during Stage 4 sleep and muscle activity is least during REM.
Erikson believed women's identities were bound up in their
a. level of educational attainment. b. level of financial success. c. roles as wife and mother. d. views on religion.
One trend apparent at the end of the 20th century was the
a. increased emphasis on empirical validity. b. dismissal of purely operant techniques. c. syncretism of insight and action therapies. d. disenchantment with cognitive therapy.
Generalizations regarding cultural practices frequently fail to capture ____ differences that exist within and across ethnic groups
a. universal b. biological c. personality d. SES