Help with psychology questions?

[heather]

I need help with these question. They're the only ones I don't understand.

3) Name the form of memory that records our fleeting impressions about sights, sounds, and smells.

5) __________ refers to a simple form of learning that involves learning NOT to respond to stimulation.

7) The situation in which a CS is presented alone (no UCS) is termed ______.

10) The diminishing responsivensess of a sensory system to prolonged stimulation is known as ______.

11) Impulses from nerve cells convey odor information to ______ bulbs located just below the frontal lobes.

13) _______ are chemical substances used to communicate within a given species.

14) The detection of gravity is involved in the ______ sense.

15) The process of _______ associates meaning with incoming sensory stimuli.

16) Vision is at its sharpest in the _____, the very center of the ___ where cone-shaped photoreceptors are concentrated.