PSYCH 3A03 Lecture Notes - Audiogram, Waardenburg Syndrome, Semicircular Canals
6 Sep 2013
School
Department
Course
Professor
Document Summary
This outline summarizes major points covered in lecture. It is not intended to replace your own lecture notes. The auditory system can become (or start out) dysfunctional in a number of ways: repeated exposure to loud noise ageing pharmacological effects (e. g. ototoxic drugs) infections & diseases accidents heredity. Audiologists and otorhinolaryngologists (ent; ear, nose & throat doctors) use clues from behaviour and psychophysics to aid in diagnosis and treatment of auditory abnormalities. One important distinction is between symptom and cause abnormalities in behavioural and psychophysical tests are symptoms, but causes are physiological origins of problem. Many other problems arise as a result of hearing loss. Hearing loss measured with audiometry by an audiologist; by looking for a threshold shift. Hearing losses divided into two types by their cause: Clinically it"s very important to identify type and cause of hearing loss; affects treatment strategy. There are several different levels of hearing loss.
