_______________ instruction involves telling a child what to do, when to do it, and why it should be done

Heroin addiction has been treated with

a. morphine. b. LSD. c. methadone. d. amphetamines. e. toluene.

Which of the following statements is the best justification for brain lesion studies?

a. Lesion studies are low technology procedures that do not present ethical concerns. b. Damage to the human brain during "natural experiments" does not provide enough information to make conclusions about the function of specific areas. c. Brain lesions produce marked and consistent changes in behavior. d. Brain lesions occur under more controlled conditions than ablation studies.