Neuroimaging techniques were an advancement on early methods because they allow researchers to study ______ brains.

The gathering of more information to check one's perceptions and improve one's objectivity is called

a. habituation. b. a perceptual set. c. precognition. d. reality testing.

In general, children with Down syndrome display ____

a. progressive loss of adaptive functioning skills from birth on b. declining IQ but increasing social skills c. significant gains in adaptive behaviors up to age 6, followed by a leveling off or decline d. a surge in abilities from ages 10 to 15