上游充通大学 Shanghai Jiao Tong University Extemal ear Middle ear Inner ear Auditory area BONES OF THE MIDDLE EAR .Malleus -Incus -Stapes Oval window Round window To brain :2 HEARING Auditory nerve m Cochlea Tympanic membrane Displacement of hair bundies External auditory Sound waves u Vibration canal Tectorial membrane Roleased Hair cell chemicals Pinna of cochlea excite nerve and send Nucleus- mpulses to brain Transmitters released Brain Facts A Primer on the brai n and nervous systemShanghai Jiao Tong University HEARING Brain Facts A Primer on the brai n and nervous system