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Verbal auditory agnosia in children
Developmental Medicine and Child Neurology
|April 1, 1977
Summary
This study describes boys with profound acoustic language comprehension deficits, impacting speech. Visual language input shows preserved skills, suggesting educational strategies.
Area of Science:
- Neuroscience
- Developmental Psychology
- Linguistics
Background:
- Investigating profound deficits in acoustic language comprehension and expressive speech in children.
- Examining potential neurological underpinnings, including brain lesions and EEG abnormalities.
- Exploring the relationship to various forms of aphasia and developmental language disorders.
Observation:
- Four to five boys presented with severe receptive and expressive language impairments.
- Neurological findings included presumed megalencephaly, a parietal lobe anomaly, minor motor deficits, and oromotor issues.
- Electroencephalogram (EEG) abnormalities were noted in most subjects, with varying seizure activity.
Findings:
- A strong correlation between acoustic language deficit and expressive speech abolition was observed.
- The severity of EEG abnormalities did not consistently predict the language deficit's course.
- Linguistic skills were preserved when the acoustic channel was bypassed, emphasizing visual language processing.
Implications:
- Understanding the syndrome's relationship to acquired aphasia and developmental language disabilities.
- Highlighting the critical link between phonologic encoding/decoding and writing abilities.
- Suggesting visual-based language remediation strategies for affected children.