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small increment sensitivity index

small increment sensitivity index in Medicine

small increment sensitivity index n.
Abbr. SISI
A test for cochlear damage in which a tone above the hearing threshold is followed by a series of progressively louder tones and damage is indicated by the ability to hear the louder tones.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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