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Long latency auditory evoked potentials in malnourished children
Renata Parente de Almeida1, Carla Gentile Matas2
1Universidade de São Paulo, School of Medicine, São PauloSP, Brazil.
Codas
|January 11, 2014
Summary
Malnourished children exhibit altered long latency auditory evoked potentials (LLAEPs), indicating potential deficits in central auditory pathways. These findings highlight the impact of malnutrition on auditory information processing in children.
Area of Science:
- Neuroscience
- Pediatrics
- Audiology
Background:
- Malnutrition is a global health concern affecting child development.
- Auditory pathway integrity is crucial for cognitive and language development.
- Long latency auditory evoked potentials (LLAEPs) provide insights into central auditory processing.
Purpose of the Study:
- To characterize LLAEP findings in malnourished children.
- To compare LLAEPs in malnourished children with those of typically developing children.
Main Methods:
- Evaluated 65 children (7-12 years old), including 31 malnourished and 34 controls.
- Utilized pure tone audiometry, impedance, dichotic digit test, and LLAEPs.
- Compared LLAEP parameters (latency, amplitude) between groups.
Main Results:
- Malnourished children showed significantly longer P1, N1, and P300 latencies compared to controls.
- Predominant alterations in malnourished children included increased P1/P300 latency and absent N1 response.
- Control group exhibited significant differences in P300 amplitude between ears.
Conclusions:
- Malnourished children demonstrate significant changes in LLAEPs.
- These alterations suggest impaired central auditory pathways and auditory information processing.
- Findings underscore the neurodevelopmental impact of malnutrition on the auditory system.
