Gradual emergence of developmental language disorders
1MGH Institute of Health Professions, Boston, MA.
Journal of Speech and Hearing Research
|June 1, 1994
Summary
This theory explains normal and delayed language development through critical, timed phases. Delays occur when brain development impacts utterance storage, affecting grammar acquisition and potentially leading to compensatory neural growth.
Area of Science:
- Developmental linguistics
- Neuroscience
- Child psychology
Background:
- Language acquisition is a complex process.
- Developmental delays can impact cognitive systems.
- Brain maturation is influenced by genetics and environment.
Purpose of the Study:
- To present a theory on normal and delayed language development.
- To explain the mechanisms underlying linguistic capacity.
- To explore the neural basis of language acquisition and delays.
Main Methods:
- Theoretical framework presentation.
- Analysis of developmental phases.
- Speculation on neural resource allocation and brain changes.
Main Results:
- Linguistic capacity develops in gradual, sequential, timed phases.
- Delayed brain development hinders utterance storage and grammar acquisition.
- Compensatory neural activity may lead to structural brain changes.
Conclusions:
- Language development relies on timed activation of grammatical mechanisms.
- Delays can result from genetic and environmental factors affecting brain maturation.
- Apparent abnormalities in language and brain structure may arise from compensatory processes.
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