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Mental retardation

Symptoms:

  • failure to meet intellectual developmental markers
  • persistence of infantile behavior
  • lack of curiosity
  • decreased learning ability
  • inability to meet educational demands of school

Note: Deviations in normal adaptive behaviors depend on the severity of the condition. Mild retardation may be associated with a lack of curiosity and quiet behavior. Severe mental retardation is associated with infantile behavior throughout life.

Signs and tests:

  • a score below 70 on a standardized IQ test
  • adaptive behavior score
  • abnormal Denver developmental screening test


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