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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: Variations 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: development significantly less than that of peers an intelligence quotient (IQ) score below 70 on a standardized IQ test adaptive behavior score below average abnormal Denver developmental screening test

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