African-American and Hispanic youth spend about ___ hours per day using media, especially television and music, compared to White youth, who spend about ___hours per day using media

Kraepelin is credited with

a. discovering that penicillin was an effective treatment for malaria. b. determining the cause of senile dementia. c. identifying different types of mental disorders. d. writing the first edition of the DSM.

Penfield mapped locations of body parts on area S1 by _____

A) using fMRIs in humans? B) ?lesioning S1 areas in the monkey C) ?using somatosensory-evoked potentials in monkeys D) ?stimulating S1 areas in humans, and asking where they felt body sensations