Implant is placed in the lateral recess of the 4tb ventricle close to foramen of Luschka and stimulates dorsal and ventral nuclei.
The cochlear nucleus has tonotopicity.
 Flocculus of cerebellum is variable in size and hides the entry into lateral recess. Switch on of cochlear Auditory brainstem implant is done after 3-4 months. Vestibular dysfunction is seen I. Few patients.  |
| Indication of cochlear implant (From lecture of Dr. Mohan Kameshwaran) It take 2-3 year for child to learn after implant and it varies. This is unlike Cochlear implant where it takes less than 1 year. |
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