Journal of visualized experiments : JoVE · 2019
Simple Surgical Induction of Conductive Hearing Loss with Verification Using Otoscope Visualization and Behavioral Clap Startle Response in Rat.
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Manno Francis A M, Manno Sinai H C, Ma Victor, Barrios Fernando A, Cho William C, Cheng Shuk Han, Lau Condon
Аннотация
Conductive hearing loss (CHL) is a prevalent hearing impairment in humans. The goal of the protocol is to describe a simple surgical procedure for inducing CHL in rodents. The protocol demonstrates CHL by tympanic membrane puncture. Verification of CHL surgery was by otoscope examination and behavioral assessment by clap startle response, both replicable and reliable, and are simple methods to demonstrate hearing loss has occurred. The simple CHL procedure is advantageous due to its reproducibility and flexibility to different pursuits in hearing loss research. The limitations of inducing CHL by a surgical approach are associated with the learning curve to perform the surgical procedure and confidence in audiological examination. Inducing a hearing impairment by CHL allows one to readily study the neural manifestations and behavioral outcomes of hearing loss.