18. Regressive autism
1 - Heller and Landau-Kleffner disorders
2 - Rett and :Leigh syndromes
3 - Schizophrenia spectrum disorders
Heller (1908) and DeSanctis (1908) described "dementia infantilis" more than three
decades earlier than Kanner (1943). The designation dementia infantilis was made in
the context of Kraepelin's dementia praecox (Kraepelin (1904), implying emergence of
psychotic behavior early in childhood. Dementia praecox (later superseded by the
euphemism schizophrenia) usually first appears in adolescence or early adulthood.
Landau and Kleffner (1957) described an autistic-like condition associated with onset
of seizure disorder, in which previously acquired language is lost. The core syndrome
of Kanner autism differs from the syndromes of Heller, DeSanctis, and
Landau-Kleffner in that social isolation exists from birth and seizures are not a part of
Kanner autism.
Neurologic
Impairments
References
Notes
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