1	2											3
					4
																5		6
7
	8			9
																					10
	11					12
13	14
														15
									16
								17
18
19
20

Across 1. the study of the relationships between sensory information into meaningful experiences 4. perceptions that misrepresent physical stimuli 5. occurs when anything hinders physical motion through the outer or middle ear. 7. brief auditory or visual messages that are presented below the absolute threshold 8. the organization of sensory information into meaningful experiences 11. internal chemical units controlling regular cycles in part of the body. 13. the principle that for any change in a stimulus to be dectected, a constant proprtion of that stimulus must be added or subtrected 15. the tendency to perceive objects in the same way regardless of changing angle, distance, or lighting 16. the apparent movement of stationary objects relative to once another that occurs when the observer changes postion 17. the difference between images stimulating each eye 18. the smallest change in a physical stimulus that can be dectected half the time 19. the sense of movement and body postition 20. three semicircle canals that provide the sense of balance.

Down 2. the study of people's tendencies to make correct judgements in dectecting the presence of stimuli 3. what occurs when a stimulus activates a receptor 6. the weakest amount of a stimulus that a person can dectect half the time 9. occurs when someone can only see some colors and not all of the color spectrum. 10. the process of combining the two images received from the two eyes into a single, fused image 12. the experience that comes from organizing bits and peices of information into meaningful wholes 14. an ability to gain information by some means other than the ordinary senses (abbriviation)