Mental Retardation Signs
Mental retardation is a condition diagnosed before age 18 that includes below-average general intellectual function, and a lack of the skills necessary for daily living.
Alternative Names
Intellectual and developmental disability
Causes, incidence, and risk factors
Mental retardation affects about 1 - 3% of the population. There are many causes of mental retardation, but doctors find a specific reason in only 25% of cases.
A family may suspect mental retardation if the child's motor...
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From Our Sources
Motormental retardation
Source: ADAM Encyclopedia
Motormental retardation is delayed or decreased development of both mental and motor skills. Alternative Names Delayed motor and mental... Read more »
Fragile X syndrome
Source: ADAM Encyclopedia
Martin-Bell syndrome; Marker X syndrome Symptoms Behavior problems associated with fragile X syndrome include: Delay in crawling,... Read more »
Avoidant personality disorder
Source: ADAM Encyclopedia
Personality disorder - avoidant Symptoms People with avoidant personality disorder can't stop thinking about their own shortcomings.... Read more »
Mucopolysaccharides
Source: ADAM Encyclopedia
Mucopolysaccharides are long chains of sugar molecules that are found throughout the body, often in mucus and in fluid around the joints. They are... Read more »
Phenylketonuria
Source: ADAM Encyclopedia
Phenylketonuria (PKU) is a rare condition in which a baby is born without the ability to properly break down an amino acid called... Read more »
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