1 / 6

II Acoustic Reality II.2 (F Sept 13) Hearing with Ear and Brain

II Acoustic Reality II.2 (F Sept 13) Hearing with Ear and Brain. 20-fold reinforcement. malleus. incus. enters the upper (oval) window of cochlea. stapes. semicircular channels cochlea. 2.5 windings 30 mm length. ear drum. auricle. 1 cm 2. oval window. tectorial membrane.

adamvogel
Download Presentation

II Acoustic Reality II.2 (F Sept 13) Hearing with Ear and Brain

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. II Acoustic Reality II.2 (F Sept 13) Hearing with Ear and Brain

  2. 20-fold reinforcement malleus incus enters the upper (oval) window of cochlea stapes semicircular channels cochlea 2.5 windings30 mm length ear drum auricle 1 cm2

  3. oval window tectorial membrane scala vestibuli scala media scala tympani 1 mm auditory nerve inner hair cells outer hair cells basilar membrane endolymph liquid perilymph liquid 10-8 cm in 1/200 sec Corti organ Reissner‘s membrane 24‘000 hair cells 30-50 stereo- and 1 kino-ciliae

  4. George von Békésy 1961, Harvard U, Nobel prize stapes helicotrema round window high frequencies low frequencies

  5. colliculus inferior nucleus cochlearis gyri Heschl corpus geniculatum mediale nuclei superiores olivae nervus cochlearis 30‘000 nerve „cables“ 4 major transformations of data!

  6. cat brain low pitch cochlea high pitch multiple representation of same pitch

More Related