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10 the nerve that carries neural impulses from the

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the lens focuses the image of distant objects in front of the retina. ______________________________ 10. The nerve that carries neural impulses from the eye to the brain. _________________ __________________ 11. The distance from the peak of one light or sound wave to the peak of the next. It determines color with respect to light waves and pitch with respect to sound waves. __________________________
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12. Retinal receptors that detect black, white, and gray. They are necessary for peripheral and twilight vision. _____________________ 13. The central focal point in the retina, around which the eye’s cones cluster. _______________________ 14. The sense of hearing. _____________________ 15. The part of the ear containing the cochlea, semicircular canals, and vestibular sacs. _____________________ _________________ 16. The principle that one sense may influence another, as when the smell of food influences its taste. _____________________ ______________________ 17. The process by which the eye’s lens changes shape to focus the image of an object on the retina. ___________________________ 18. Nerve cells in the brain that respond to specific features of the stimulus, such as shape, angle, or movement. ___________________ ___________________ 19. The theory that links the pitch we hear with the place where the cochlea’s membrane is stimulated. ___________________ ________________ 20. The minimum stimulation needed to detect a stimulus 50% of the time. ________________________ ________________________ 21. Hearing loss caused by damage to the mechanical system that conducts sound waves to the cochlea (i.e., damage to the tiny bones in the ear or the eardrum). _________________________ ________________________ 22. The system for sensing the position and movement of individual body parts. ____________________________ 23. Diminished sensitivity as a consequence of constant stimulation. _________________________ ________________________ 24. In hearing, the theory that the rate of nerve impulses traveling up the auditory nerve matches the frequency of a tone, thus enabling us to sense its pitch. ________________________ __________________
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25. The theory that the retina contains three different color receptors – one most sensitive to red, one to blue, and one to green – which when stimulated in combination can produce the perception of any color. ___________________________ _____________________ ____________ 26. Receptor cells that are concentrated in the fovea of the retina and that function in daylight or in well-lit conditions. They detect fine detail and give rise to the perception of color. ________________________ 27. The conversion of one form of energy into another. In sensation, the transforming of stimulus energies into neural impulses. _____________________________ 28. The point at which the optic nerve leaves the back of the eye. No receptor cells are located there. _______________________
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