Rett(2°) originally speculated that the condition might be associated with high peripheral ammonia levels, but this was incorrect. While no specific biological marker for the condition has been identified, several lines of report support a neurobiological basis for the condition (e.g. cortical atrophy on brain scan, decreased brain weight and loss of neurones, and changes in the substantia nigra and caudate nucleus on autopsy). (56) Results of neurochemical studies have been contradictory. Genetic data are limited. The meaning of the observed gender difference remains unclear, but it is possible that a dominant X-linked new mutation might cause males to be aborted.(64)

Funny Wiring Autism

Funny Wiring Autism

Autism is a developmental disorder that manifests itself in early childhood and affects the functioning of the brain, primarily in the areas of social interaction and communication. Children with autism look like other children but do not play or behave like other children. They must struggle daily to cope and connect with the world around them.

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