PSY BEH 11A Lecture Notes - Lecture 22: Alessandro Volta, Cochlear Implant, Speech Production
28 Nov 2016
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Specificity code (cid:862)la(cid:271)eled li(cid:374)e(cid:863) (e. g. ) fibers in the auditory nerve. Pattern code pattern of activity across receptors (e. g. ) olfaction, haptic. In the year 1800, volta assembled a large battery of the electric cells that he had recently invented, and he connected the total array to a pair of metal rods inserted in his ears. He felt a jolt in the head, he tells us, followed by a noise like the boiling of thick soup. It seems that he decided not to repeat the experiment: the first cochlear implant. His (cid:862)e(cid:454)peri(cid:373)e(cid:374)t(cid:863) de(cid:373)o(cid:374)strated the specificity of the auditory nerve: stimulated the auditory nerve. Johannes m ller (1801 1858), doctrine of specific nerve energies. Stimulation of a sensory nerve does not depend on the mode of stimulation but upon the nature of the sense organ. The doctrine of specific nerve energies is significant in a historical sense, but it is more accurate .
