Summary
Acquired aphasia in children is more common with left hemisphere lesions. While some children with right hemisphere lesions develop aphasia, most recover speech, especially if younger than 8 years.
Area of Science:
- Pediatric Neurology
- Neuroscience
- Speech and Language Pathology
Background:
- Acquired aphasia in children is traditionally characterized as nonfluent and transient, often linked to right hemisphere damage.
- This characterization is based on historical observations, potentially influenced by factors like pre-antibiotic era medical conditions.
Purpose of the Study:
- To investigate the relationship between unilateral hemispheric brain lesions and acquired aphasia in children.
- To clarify the incidence and characteristics of aphasia in children with left versus right hemisphere lesions.
- To examine factors influencing speech recovery in pediatric acquired aphasia.
Main Methods:
- Studied 65 children aged 2-14 years with unilateral hemispheric brain lesions acquired after speech acquisition.
- Categorized lesions into left and right hemisphere.
- Assessed initial speech disturbance and recovery patterns.
Main Results:
- 25 out of 34 children with left hemisphere lesions experienced initial aphasic speech disturbance.
- Only 4 out of 31 children with right hemisphere lesions showed initial aphasia.
- Children who developed aphasia before age 8 generally regained speech, with recovery times varying significantly.
Conclusions:
- Left hemisphere lesions are more frequently associated with acquired aphasia in children than previously characterized.
- The traditional view of frequent right-hemisphere aphasia may be outdated, possibly due to historical factors and improved medical treatments.
- Early-onset aphasia in children, regardless of lesion side, shows potential for recovery, though duration varies.
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