PSY BEH 11A Lecture Notes - Lecture 18: Cochlear Implant, Neural Coding, Psychophysics
8 Nov 2016
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External part, a receiver behind the ear: a radio-transmitter that transmits information via radio signal. Signal processing take sound and convert it into a form that the nervous system understands (a neural code) You can diagnose deafness within a couple days of birth. Activation day when you turn on the machine after 3-4 weeks of healing. Popular answer: 6: sight, hearing, smell, taste, touch, and balance, civilian thought, taught before junior high school. Scientific answer: no consensus, some believe as many as 30 or 40. Mechanoreceptors: merkel receptor: respond to pressure. In your fingers: meissner corpuscle: light tapping, ruffini cylinder: stretching of skin, pacinian corpuscle: rapid vibration. Proprioception: sense of position of limbs. Kinesthesis: sense of movements of limbs. (cid:862) per(cid:272)eptio(cid:374)s felt through the ski(cid:374) is as i(cid:373)porta(cid:374)t as (cid:448)isio(cid:374) or heari(cid:374)g. (cid:863) E. bruce goldstein: professor berg says they"re (cid:373)ore i(cid:373)porta(cid:374)t. In leprosy, people lose all sensation in their limbs.
