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Up to: Mendelian neurodevelopmental disorder · DHDDS-related syndrome
Developmental delay and seizures with or without movement abnormalities
DEDSM is a neurodevelopmental disorder characterized by global developmental delay, variable intellectual disability, and early-onset seizures with a myoclonic component. Most patients have delayed motor development and show abnormal movements, including ataxia, dystonia, and tremor (summary by {1:Hamdan et al., 2017}).
This condition has no sub-types.