Older adults with low levels of the chemical acetylcholine in the brain may develop memory loss. This statement best relates to the __________ psychological perspective.

Adolescent children of mothers who were home-visited as part of the Nurse–Family Partnership __________ than comparison-group agemates

A) scored lower in impulsivity and overactivity B) had lower academic achievement scores C) showed more aggressive behavior D) reported less alcohol and drug use

Which physiological processes have researchers found both meditation and qi gong can affect positively?

A) ?They can both delay some aging-related brain changes. B) ?They can both reverse some age-related brain changes. C) ?They can both achieve attention-related brain changes. D) ?They can both cause immune system function changes.