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Effects of informational maskers within and across trials

J. Acoust. Soc. Am. Volume 118, Issue 1, pp. 322-324 (2005); (3 pages)

Robert A. Lutfi and Joshua M. Alexander

Department of Communicative Disorders, and Waisman Center, University of Wisconsin, Madison, Wisconsin 53705

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The across-trial effect of maskers in conditions of informational masking was evaluated from performance on occasional trials in which the signal was presented alone. For 6 of 12 listeners participating in the study, a significant number of errors were obtained on signal-alone trials; in some cases equivalent to that signal+masker trials. On immediately preceding trial blocks for which there were no intervening maskers, performance for these signals was perfect. The results indicate that informational maskers can have a significant effect on signal threshold, both within and across trials.

© 2005 Acoustical Society of America

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KEYWORDS and PACS

Keywords

hearing

PACS

  • 43.66.Ba

    Models and theories of auditory processes

  • 43.66.Fe

    Discrimination: intensity and frequency

ARTICLE DATA

History
Received 11 Jun 2004
Accepted 05 Apr 2005
Revised 18 Mar 2005

PUBLICATION DATA

ISSN

0001-4966 (print)  

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