Infants’ and Adults’ Use of Temporal Cues in Consonant Discrimination
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Ear & Hearing July-August 2017 (VOL. 38, NO. 4, 497–506)Abstract: Adults can use slow temporal envelope cues, or amplitude
modulation (AM), to identify speech sounds in quiet. Faster AM cues and
the temporal fine structure, or frequency modulation (FM), play a more
important role in noise. This study assessed whether fast and slow temporal
modulation cues play a similar role in infants’ speech perception by
comparing the ability of normal-hearing 3-month-olds and adults to use
slow temporal envelope cues in discriminating consonants contrasts.
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Adults can use slow temporal envelope cues, or amplitude
modulation (AM), to identify speech sounds in quiet. Faster AM cues and
the temporal fine structure, or frequency modulation (FM), play a more
important role in noise. This study assessed whether fast and slow temporal
modulation cues play a similar role in infants’ speech perception by
comparing the ability of normal-hearing 3-month-olds and adults to use
slow temporal envelope cues in discriminating consonants contrasts.