The part of the brain that controls spatial perception is located in the __________ lobe of the cerebrum

Current guidelines suggest that toilet training goes most smoothly when begun between age __________ months

a. nine and 12 b. 12 and 16 c. 18 and 24 d. 30 and 42

Because genetics appear to influence one’s need for sleep, it would be expected that ____

a. ?identical twins would be more similar in their sleep needs than fraternal twins b. ?fraternal twins would be more similar in their sleep needs than identical twins c. ?individuals raised in the same home would have similar sleep needs d. ?individuals raised in the same culture would have similar sleep needs