Late onset canonical babbling: a possible early marker of abnormal development
D K Oller1, R E Eilers, A R Neal
1University of Maine, Orono 04469, USA. kimoller@maine.edu
Insights
Late onset of canonical babbling in infants may signal later developmental issues. This early speech milestone is crucial for identifying potential speech, language, and reading challenges in children.
Area of Science:
- Developmental Pediatrics
- Speech-Language Pathology
- Genetics
Background:
- Canonical babbling, characterized by well-formed syllables, typically emerges by 10 months in developing infants.
- Delayed onset of canonical babbling is a potential indicator for early speech and language disorders.
Purpose of the Study:
- To investigate the onset of canonical babbling in a cohort of 1,536 high-risk infants.
- To determine the association between late canonical babbling and potential developmental disabilities.
Main Methods:
- Utilized parental reports via open-ended questionnaires to assess babbling status.
- Evaluated infants at approximately 10 months corrected age.
Main Results:
- Late canonical babbling was infrequent but often linked to underlying genetic, neurological, anatomical, or physiological abnormalities.
- More than half of infants with late babbling onset had no prior significant medical diagnoses.
- Late onset of canonical babbling was observed in high-risk infants.
Conclusions:
- Late canonical babbling onset can serve as an early predictor for subsequent developmental disabilities.
- This includes potential challenges in speech, language, and reading development.
- Parental reporting is an effective method for identifying babbling status.
Abstract:
By their 10th month of life, typically developing infants produce canonical babbling, which includes the well-formed syllables required for meaningful speech. Research suggests that emerging speech or language-related disorders might be associated with late onset of canonical babbling. Onset of canonical babbling was investigated for 1,536 high-risk infants, at about 10-months corrected age. Parental report by open-ended questionnaire was found to be an efficient method for ascertaining babbling status. Although delays were infrequent, they were often associated with genetic, neurological, anatomical, and/or physiological abnormalities. Over half the cases of late canonical babbling were not, at the time they were discovered associated with prior significant medical diagnoses. Late canonical-babbling onset may be a predictor of later developmental disabilities, including problems in speech, language, and reading.
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