True about autism

True about autism –

    1. Occurs in high economic striata
    1. Normal communication
    1. Starts before 2–3 years of age
    1. More common in girls

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  • Autism is a neurologic disroder characterized by -
  1. Qualitative impairment in social interaction
  2. Qualitative impairment in communication.
  3. Restricted repetitive and streotyped patterns of behaviour, interests, and activities.
  • Onset of symptoms is usually before 3 years of age.
  • 3-5 times more common in boys, but more severe when occurs in girls.
  • More common among low socio-economic groups.

Clinical features

  • Impairment in communication
  • Impairment in social interaction
  • Inability to concentrate
  • Restricted repetitive and streotypes patterns of behaviour, interests and activities.
  • Failure to acquire speech.
  • Approximately 75% of children with autism are mentally retarded.
  • Epilepsy develops in approximately one-fifth to one-third individuals.
  • Half of autistic patients have abnormalties on EEG.