Effects of informational maskers within and across trials |
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Authors: | Lutfi Robert A Alexander Joshua M |
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Affiliation: | Department of Communicative Disorders, and Waisman Center, University of Wisconsin, Madison, Wisconsin 53705, USA. ralutfi@wisc.edu |
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Abstract: | 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. |
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