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Updated: Jul 19, 2026
Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
Published on: January 23, 2017
Speech recognition with reduced spectral cues as a function of age
L S Eisenberg1, R V Shannon, A S Martinez
1House Ear Institute, Los Angeles, California 90057, USA. leisenberg@hei.org
Young children struggle with recognizing degraded speech compared to adults, needing more spectral detail. This suggests acoustic pattern recognition requires extensive learning and impacts auditory device use.
Area of Science:
- Auditory Perception
- Developmental Psychology
- Speech Processing
Background:
- Adults exhibit robust speech recognition despite spectral degradation.
- Understanding the developmental trajectory of this ability is crucial.
Purpose of the Study:
- To investigate speech recognition in children aged 5-7 and 10-12 years under varying spectral resolutions.
- To compare children's performance with that of adults.
Main Methods:
- Speech recognition was tested using a noise-band vocoder to manipulate spectral detail.
- Participants included two groups of children and a group of adults.
Main Results:
- Older children (10-12 years) performed similarly to adults.
- Younger children (5-7 years) showed significantly lower performance, requiring more spectral resolution.
- Deficits in younger children were linked to sensory utilization and linguistic/cognitive development.
Conclusions:
- Robust acoustic pattern recognition in speech requires a prolonged learning period.
- Findings have implications for auditory sensory device fitting in young children with hearing loss.
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