The Effect of Remote Masking on the Reception of Speech by Young School-Age Children

Area of Science:

• Auditory perception
• Developmental psychology
• Speech processing

Background:

• Psychoacoustic studies show children's limited selective listening compared to adults.
• Children are more susceptible to remote masking, affecting signal detection.
• Selective listening during speech recognition in children is not well understood.

Purpose of the Study:

• To investigate remote masking effects on speech recognition in children and adults.
• To examine developmental changes in selective listening during speech perception.
• To compare children's and adults' ability to focus on relevant speech signals amidst noise.

Main Methods:

• Adults and 5- and 7-year-old children completed sentence recognition tasks.
• Spectrally remote maskers of varying bandwidth and remoteness were introduced.
• Speech intelligibility was measured across different masker conditions and age groups.

Main Results:

• Five-year-olds showed reduced speech recognition with spectrally remote noise.
• Seven-year-olds and adults were unaffected by the maskers.
• Masker bandwidth and remoteness did not significantly alter the observed effects.

Conclusions:

• Young children exhibit difficulty in spectral listening, focusing on relevant speech during recognition.
• This difficulty in selective listening may explain poorer speech perception in noise for children.
• The study highlights a critical developmental period for refining spectral listening abilities.