Across
- 3. coiled, cony, fluid-filled tube
- 9. theory that the rate of nerve impulses traveling up the auditory nerve matches the frequency of the tone
- 11. theory that opposing retinal processes enable color vision
- 12. ring of muscle tissue that forms the colored portion of the eye around the pupil
- 13. theory predicting how and when we detect the presence of a faint stimulus amid background stimulation
- 15. study of relationships between the physical characteristics of stimuli
- 16. sense of hearing
- 18. theory that the retina contains 3 different color receptors
- 21. system for sensing the position and movement of individual body parts
- 23. adjustable opening in the center of the eye
- 25. / processing of several aspects of a problem simultaneously
- 28. chamber between the eardrum and the cochlea
- 30. hearing loss caused by damage to the mechanical system
- 32. condition in which nearby objects are seen more clearly than distant objects
- 33. receptor cells that are concentrated near the center of the retina and function in daylight
- 34. conversion of one form of energy into another
- 35. process by which the eye's lens changes shape to focus near or far objects on the retina
- 38. hearing loss caused by damage to the cochlea's receptor cells
- 40. condition in which faraway objects are seen more clearly than near objects
- 42. transparent structure behind the pupil
- 43. nerve that carries neural impulses form the eye to the brain
- 44. a tone's highness or lowness
Down
- 1. theory that the spinal cord contains a neurological "gate"
- 2. the point at which the optic nerve leaves the eye
- 4. below one's absolute threshold for conscious awareness
- 5. amount of energy in a light or sound wave
- 6. minimum difference between two stimuli required for detection 50 percent of the time
- 7. nerve cells in the brain that respond to specific features of the stimulus
- 8. principle that one sense may influence another
- 10. analysis that begins with the sense receptors
- 14. light-sensitive inner surface of the eye
- 17. central focal point in the retina
- 19. analysis that is guided by higher-level mental processes
- 20. perceiving familiar objects as having consistent color, even if changing illumination alters the wavelengths
- 22. retinal receptors that detect black, white and gray
- 23. process of organizing and interpreting sensory information
- 24. the principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage
- 26. minimum stimulation needed to detect a particular stimulus 50 percent of the time
- 27. theory that links the pitch we hear with the place where the cochlea's membrane is stimulated
- 29. distance of one light or sound wave to the peak of the next
- 31. sense of body movement and position
- 36. process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment
- 37. dimension of color that is determined by the wavelength of light
- 39. sharpness of vision
- 41. innermost part of the ear