NDLI: Sources of auditory masking in infants: distraction effects.

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Sources of auditory masking in infants: distraction effects.

Content Provider	Semantic Scholar
Author	Werner, Lynne A. Bargones, Jill Y.
Copyright Year	1991
Abstract	Previous work has demonstrated that infants' thresholds for a pure tone are elevated by a masker more than would be predicted from their critical bandwidths. The present studies explored the nature of this additional masking. In Experiment 1, detection thresholds of 6-month-old infants and of adults for a 1-kHz tone were estimated under three conditions: in quiet, in the presence of a 4- to 10-kHz bandpass noise at 40 dB SPL, and in the presence of the same noise at 50 dB SPL. The noise was gated on at the beginning of each trial. Adult thresholds were the same in all three conditions, indicating that little or no sensory masking took place in the presence of the noise. Infant thresholds were about 10 dB higher in the presence of the noise. We term this effect distraction masking. In Experiment 2, the effect of gating the noise on at trial onset was examined. Thresholds for the same tone were estimated in quiet and in the presence of the band-pass noise at 40 dB SPL, but the noise was presented continuously during the session. Under these conditions, distraction masking was still observed for infants. These findings suggest that a masker can have nonsensory effects on infants' performance in a psychoacoustic task.
Starting Page	29
Ending Page	42
Page Count	14
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://faculty.washington.edu/lawerner/IHL/page11/files/werner-bargones91.pdf
PubMed reference number	1788029v1
Volume Number	50
Issue Number	5
Journal	Perception & psychophysics
Language	English
Access Restriction	Open
Subject Keyword	Distraction - pain management method Greater Than Hearing problem Occur (action) Psychoacoustics SGPL1 wt Allele Spironolactone
Content Type	Text
Resource Type	Article

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