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• IDEA definition states, mental retardation is significantly sub average general intellectual functioning, existing concurrently with deficits and adaptive behavior and manifested during the developmental period that adversely affects a child’s educational performance.
• Mental retardation is a disabilities characterized by significant limitation both in intellectual functioning and in adaptive behavior as expressed in conceptual, social and practical adaptive skills.
• This disability originates before age 18.
• Intellectual Disabilities include:
o Down Syndrome
o Fragile X Syndrome
o Prader-Willi Syndrome
o Fetal Alcohol Syndrome
o Fetal Phenylketonuria Syndrome
o Toxoplasmosis Infection
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