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Autistic syndrome with onset at age 31 years: herpes encephalitis as a possible model for childhood autism
1Department of Pediatrics and Child Psychiatry, University of Göteborg, Sweden.
Developmental Medicine and Child Neurology
|October 1, 1991
Abstract:
The author describes a previously healthy man who contracted herpes encephalitis at the age of 31 years, and over the following months developed all the symptoms considered diagnostic of autism. This case report casts doubt on the notion of autism as an exclusively developmental disorder. It is suggested that temporal lobe damage may cause autism in some cases.
Insights
A previously healthy man developed autism symptoms after herpes encephalitis. This suggests autism may sometimes result from acquired brain damage, not solely developmental factors.
Area of Science:
- Neurology
- Neuroscience
- Psychiatry
Background:
- Autism Spectrum Disorder (ASD) is typically viewed as a neurodevelopmental disorder.
- The etiology of ASD is complex, involving genetic and environmental factors.
- The role of acquired brain injury in ASD development is less understood.
Observation:
- A case study details a 31-year-old man who contracted herpes encephalitis.
- Following the infection, the individual exhibited symptoms consistent with an autism diagnosis.
- This presentation occurred in adulthood, challenging typical developmental timelines for ASD.
Findings:
- The herpes encephalitis infection preceded the onset of autism-like symptoms.
- The temporal lobe was implicated in the patient's neurological condition.
- This case suggests a potential link between specific brain damage and autism manifestation.
Implications:
- This case challenges the exclusive classification of autism as a developmental disorder.
- Acquired brain injury, specifically temporal lobe damage, may contribute to autism in some individuals.
- Further research is warranted to explore the neurobiological mechanisms linking brain injury to autism phenotypes.