Effects of intense tone exposure on choline acetyltransferase activity in the hamster cochlear nucleus
β Scribed by Yong-Ming Jin; Donald A. Godfrey; Jie Wang; James A. Kaltenbach
- Book ID
- 116524879
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 308 KB
- Volume
- 216-217
- Category
- Article
- ISSN
- 0378-5955
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Using microdissection and quantitative microassay, choline acetyltransferase (ChAT) activity was mapped in the cochlear nucleus (CN) and in the source nuclei of the olivocochlear bundle, the lateral superior olive and ventral nucleus of the trapezoid body. In control rats, gradients of ChAT activity
## Abstract This study sought to determine whether maintenance of noiseβinduced dorsal cochlear nucleus (DCN) hyperactivity depends on descending projections. Twentyβtwo hamsters were exposed under anesthesia to a 10βkHz tone at 125β130 dB SPL for 4 hr, and another 21 unexposed animals served as co