North Americans with sickle cell anemia have an average life expectancy of _____ years

The activation-synthesis theory proposes that ________

a. the cortex tries to make sense of random neural activity by creating dream narratives. b. the cortex is inactive during dreaming, so dreaming is completely controlled by the brainstem. c. the activity in the pons constructs or synthesizes dream narratives. d. dreams are active attempts to synthesize solutions to problems.

The brain imaging method with the best spatial resolution is:

a. fMRI. b. CT. c. PET. d. MRI.