Evidence for a rhythm perception deficit in children who stutter

Area of Science:

• Neurodevelopmental disorders
• Speech-language pathology
• Auditory processing

Background:

• Stuttering is a neurodevelopmental disorder impacting speech rhythm and timing.
• External rhythmic cues can alleviate stuttering, suggesting internal rhythm generation difficulties.
• Research is needed to explore rhythm processing in children who stutter.

Purpose of the Study:

• To investigate auditory rhythm discrimination abilities in children who stutter (CWS).
• To compare rhythm perception between CWS and typically developing children (TDC).
• To determine if impaired rhythm processing contributes to developmental stuttering.

Main Methods:

• Compared rhythm discrimination of simple and complex rhythms in CWS and TDC.
• Participants included 17 CWS and 17 TDC, aged 6-11 years.
• Utilized auditory rhythm discrimination tasks.

Main Results:

• Children who stutter demonstrated significantly worse rhythm discrimination abilities than TDC.
• This deficit was observed for both simple and complex rhythms.
• Provides initial evidence of impaired rhythm perception in CWS.

Conclusions:

• Developmental stuttering may be associated with deficits in rhythm processing.
• Impaired auditory rhythm perception could be a contributing factor to stuttering.
• Findings support the hypothesis that internal rhythm generation is challenging for CWS.