PSYC 212 Lecture Notes - Lecture 14: Neural Oscillation, Tonotopy, Real Face
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Inter-aural intensity of the sound (louder, approximate distance from the source) Waves travelling in air, time difference b/w the ears: perceived intensity difference b/w the ears, angle at which it hits the pinna. For sound above us: affect elevation judgments. Sou(cid:374)d f(cid:396)o(cid:373) the f(cid:396)o(cid:374)t" hea(cid:396)d (cid:271)(cid:455) t(cid:449)o hea(cid:396) at the sa(cid:373)e time, will meet in the middle, no intensity difference b/w the two hear (what the brain learned) The delay in the contralateral input produces a preference for coding azimuth angle values of sound sources on the opposite side. If middle neuron activated : both ear hear the same thing at the same time. Deaf i(cid:374) o(cid:374)e hea(cid:396) (cid:449)ould(cid:374)"t (cid:271)e a(cid:271)le to use i(cid:374)te(cid:396)(cid:374)eu(cid:396)al ti(cid:373)e diffe(cid:396)e(cid:374)(cid:272)e to p(cid:396)edi(cid:272)t where the sound is coming from. No situation where interneural time and frequency difference (if one hear dead o(cid:396) (cid:271)lo(cid:272)k ,(cid:271)lo(cid:272)k sou(cid:374)d f(cid:396)e(cid:395)ue(cid:374)(cid:272)(cid:455)(cid:895) (cid:272)a(cid:374)"t lo(cid:272)ate the sou(cid:374)d.
