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Updated: May 19, 2026
06:34
Infant Auditory Processing and Event-related Brain Oscillations
Published on: July 1, 2015
Rate change detection of frequency modulated signals: developmental trends
Ravit Cohen-Mimran1, Shimon Sapir
1Department of Communication Sciences and Disorders, University of Haifa, Haifa, Israel.
Journal of Basic and Clinical Physiology and Pharmacology
|August 7, 2012
Summary
Auditory rhythmic signal processing, specifically rate change detection (RCD), develops later than age 12. This study reveals age-related improvements in RCD, with some stimuli showing adult-like performance earlier than others.
Area of Science:
- Auditory perception research
- Developmental psychology
- Neuroscience
Background:
- Investigating developmental changes in auditory perception.
- Focus on rate change detection (RCD) of repetitive, frequency-modulated tones.
Purpose of the Study:
- To examine developmental trends in auditory rate change detection.
- To understand how age impacts the processing of auditory rhythmic signals.
Main Methods:
- Utilized a rate change detection (RCD) task with children (9-12 years) and young adults.
- Employed three modulation rate stimuli: constant (CR), raised by 1 Hz (RR1), and raised by 2 Hz (RR2).
Main Results:
- Significant age-related improvements in RCD performance were observed.
- Developmental trajectories varied by stimulus type: RR2 showed adult-like performance by age 10, while RR1 improved beyond age 12.
- Indicates protracted development for certain auditory processing skills.
Conclusions:
- Auditory rate change detection of modulated tones shows development beyond 12 years of age.
- This methodology may aid in understanding auditory processing deficits in neurodevelopmental conditions like dyslexia.
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