Unit 1.6

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Across
  1. 2. nerve : The nerve that carries neural impulses from the eye to the brain
  2. 4. sense : The sense of body movement and balance
  3. 6. : Below one’s absolute threshold for conscious awareness
  4. 7. implant : A device that converts sounds into electrical signals and stimulates the auditory nerve
  5. 10. : A tone’s experienced highness or lowness, depends on frequency
  6. 15. : The process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment
  7. 16. : The process by which the lens changes shape to focus images on the retina
  8. 17. : The amount of energy in a light or sound wave, influencing brightness or loudness
  9. 18. : Retinal receptors that detect black, white, and gray and help with night vision
  10. 21. : Our system for sensing the position and movement of body parts
  11. 23. Helmholtz theory : The theory that the retina contains three color receptors: red, green, and blue
  12. 25. : The sense of smell
  13. 27. : The process of organizing and interpreting sensory information
  14. 28. process theory : The theory that opposing retinal processes enable color vision
  15. 31. threshold : The minimum stimulus energy needed to detect a particular stimulus 50% of the time
  16. 33. threshold : The minimum difference between two stimuli required for detection
Down
  1. 1. adaptation : Diminished sensitivity as a result of constant stimulation
  2. 3. : The study of relationships between the physical characteristics of stimuli and our psychological experiences of them
  3. 5. spot : The point at which the optic nerve leaves the eye, creating an area with no receptor cells
  4. 8. : A fluid-filled tube in the inner ear that triggers nerve impulses from sound waves
  5. 9. interaction : The principle that one sense may influence another, as when the smell of food affects taste
  6. 11. up processing : Analysis that begins with sensory receptors and works up to brain integration
  7. 12. : Conversion of one form of energy into another
  8. 13. ear : The innermost part of the ear containing the cochlea and vestibular sacs
  9. 14. : The distance from the peak of one light or sound wave to the peak of the next
  10. 19. detection theory : Predicts how and when we detect the presence of faint stimuli amid background noise
  11. 20. : The colored muscle around the pupil that controls its size
  12. 22. : The sense or act of hearing
  13. 24. : The eye’s clear, protective outer layer, covering the pupil and iris
  14. 26. detectors : Nerve cells in the visual cortex that respond to specific features such as shape or movement
  15. 29. : The adjustable opening in the center of the eye through which light enters
  16. 30. cognition : The influence of bodily sensations and gestures on thoughts and judgments
  17. 32. law : To be perceived as different, two stimuli must differ by a constant minimum percentage