Modern Developments in Pure Tone Audiometry and Their Application to the Clinical Diagnosis of End-Organ Deafness

Clinical Applications of the Temporary Threshold Shift

“…In 1955, Hood3 reiterated the fact that adaptation is independent of the intensity Submitted for publication May 1,1959. From the Department of Otolaryngology, University of Michigan Medical School.…”

Clinical Observations on Excessive Threshold Adaptation

“…Similar results were subsequently reported by Kos.2 This finding is, of course, exactly opposite to the earlier observations of Dix and Hood. 3 According to these investigators, the threshold "adaptation" exemplified by the gradual decline in the threshold tracing over time characterizes and, indeed may be attributed to, certain features of cochlear as opposed to retrocochlear pathology.…”