Relationships between vocalization forms and functions in infancy: preliminary implications for early communicative
American Journal of Speech-Language Pathology
|July 17, 2014
Summary
Early vocalizations show links between sound production (form) and communication use (function). Some sound types are more closely tied to specific functions during infant development, aiding in assessment and intervention.
Area of Science:
- Developmental Psychology
- Linguistics
- Speech-Language Pathology
Background:
- Understanding early communicative development is crucial for identifying potential delays.
- Prelinguistic vocalizations are key indicators of emerging communication skills.
Purpose of the Study:
- To explore the relationship between the form and function of prelinguistic vocalizations.
- To enhance understanding of early communicative development.
- To identify potential clinical applications for assessment and intervention.
Main Methods:
- Examined vocalizations from 20 typically developing infants (3-20 months).
- Utilized previously categorized data on vocalization form and function.
- Conducted cross-classification analysis to determine form-function associations.
Main Results:
- Found a general association between earlier forms and earlier functions, and later forms and later functions.
- Observed exceptions where certain forms correlated with multiple functions, and vice versa.
Conclusions:
- Suggests that the link between vocalization form and function varies in strength during early development.
- Highlights implications for developmental theory and clinical practice.
- Recommends larger, longitudinal studies for validation.
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