Donepezil (brand name Aricept) is a widely used drug used to treat Alzheimer's by increasing levels of the neurotransmitter acetylcholine (ACh)

Jake's father is taking him to the barber for his first real haircut. At first, Jake is excitedabout his first trip to the barber, but as soon as the barber makes the first cut in his hair, he becomes very upset and tells his father to make the barber

stop. In spite of his father's efforts to assure Jake that his hair will grow back, Jake is exhibiting the concept of illogic. centration. egocentrism. irreversibility.

__________ psychologists study how humans change over the course of the lifespan

A) Evolutionary B) Cognitive C) Social D) Developmental