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Related Experiment Videos

The Electroencephalogram in Children with Developmental Dysphasia.

John T. Nasr, Lidia Gabis, Mirjana Savatic

    Epilepsy & Behavior : E&B
    |March 1, 2003
    PubMed
    Summary

    Electroencephalograms (EEGs) are crucial for diagnosing children with speech and language regression, especially when epilepsy is present. Abnormal EEG findings were significantly more common in children with language regression compared to developmental language disorder.

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    Area of Science:

    • Pediatric Neurology
    • Developmental Neuroscience
    • Clinical Electrophysiology

    Background:

    • Speech and language delay is a prevalent developmental or acquired disorder.
    • It can manifest as part of the autistic spectrum.
    • Landau-Kleffner syndrome is considered when language regression is accompanied by epilepsy, while slow acquisition without regression is termed developmental dysphasia.

    Purpose of the Study:

    • To evaluate the diagnostic utility of electroencephalography (EEG) in children presenting with speech and language delay.
    • To differentiate between language regression and developmental language disorder based on EEG findings.

    Main Methods:

    • A retrospective review of clinical and electroencephalographic (EEG) data was conducted.
    • 138 children with speech/language delay were analyzed over a one-year period.

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  • Video electroencephalography was included in the assessment.

    • Main Results:

    • Electroencephalograms (EEGs) were abnormal in 61% of children with a history of language regression.
    • Conversely, only 15% of children with developmental language disorder showed abnormal EEGs.
    • A highly significant difference (P = 0.004) was observed between the two groups.

    Conclusions:

    • Electroencephalography (EEG) is indicated for children experiencing language regression, particularly if clinical seizures are reported.
    • EEG findings can help distinguish between language regression and developmental language disorder.
    • This supports the use of EEG as a diagnostic tool in specific pediatric speech and language disorders.