Jean Piaget is typically credited with creating a theory of which type of development?

During a negative after-potential, there is an outward flow of which of the following from the axon?

a. negative charges b. potassium ions c. neurotransmitters d. sodium ions

Alexander has experienced a traumatic brain injury. Subsequent to the injury, he is unable to form new memories. He can recall events from the distant past, but if he meets a person and has a conversation, then that person leaves the room and returns, he will not recall that they spoke a few moments earlier. Alexander has

a. retrograde memory problems. b. anterograde memory problems. c. Alzheimer's disease. d. Korsakoff's syndrome.