Intensity discrimination and detection of amplitude modulation in electric hearing

Gail S. Donaldson, Neal F. Viemeister

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Wojtczak and Viemeister [J. Acoust. Soc. Am. 106, 1917-1924 (1999)] demonstrated a close relationship between intensity difference limens (DLs) and 4-Hz amplitude modulation (AM) detection thresholds in normal-heating acoustic listeners. The present study demonstrates a similar relationship between intensity DLs and AM detection thresholds in cochlear-implant listeners, for gated stimuli. This suggests that acoustic and cochlear-implant listeners make use of a similar decision variable to perform intensity discrimination and modulation detection tasks. It can be shown that the absence of compression in electric hearing does not preclude this possibility. (C) 2000 Acoustical Society of America.

Original languageEnglish (US)
Pages (from-to)760-763
Number of pages4
JournalJournal of the Acoustical Society of America
Volume108
Issue number2
DOIs
StatePublished - 2000

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