The neurotransmitter most closely associated with long-term potentiation is:

According to the goal orientation theory, those who adhere to

the _____ orientation seem to be motivated to do whatever may be necessary to avoid failing, whereas those who adhere to the _____ orientation are intrinsically motivated to do whatever they can to put themselves into a position to succeed. a) performance/approach; mastery/approach b) mastery/avoidance; mastery/approach c) performance/avoidance; performance/approach d) mastery/avoidance; performance/approach

The number of waves per second that corresponds to perceived pitch is called

a. frequency. b. amplitude. c. rarefaction. d. compression.