This seem like an interesting trial?
Suppression of noise-induced hyperactivity in the dorsal cochlear nucleus following application of the cholinergic agonist, carbachol.
http://www.ncbi.nlm.nih.gov/pubmed/23721928
Suppression of noise-induced hyperactivity in the dorsal cochlear nucleus following application of the cholinergic agonist, carbachol.
http://www.ncbi.nlm.nih.gov/pubmed/23721928