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  1. RETARDATION Definition & Meaning - Merriam-Webster

    The meaning of RETARDATION is an act or instance of retarding. How to use retardation in a sentence.

  2. Intellectual disability - Wikipedia

    The term "mental retardation" is still used in some professional settings such as governmental aid programs or health insurance paperwork, where "mental retardation" is specifically covered but …

  3. Mental Retardation in Adults: Signs and Symptoms

    Feb 16, 2025 · Understand mental retardation in adults, including common signs, symptoms, diagnosis, and support options. Learn how to recognize and address this condition.

  4. Intellectual Disability in Children: Causes, Symptoms, and ... - WebMD

    Dec 4, 2024 · Intellectual disability (ID), once called mental retardation, is characterized by below-average intelligence or mental ability and a lack of skills necessary for day-to-day living.

  5. Intellectual Disability: Definition, Symptoms, & Treatment

    Intellectual Disability Intellectual disability is a condition that limits intelligence and disrupts abilities necessary for living independently. Signs of this lifelong condition appear during …

  6. Understanding Mental Retardation: Types, Causes, and Challenges

    Jun 12, 2024 · Mental retardation, now more commonly referred to as intellectual disability, affects approximately 1-3% of the global population and represents one of the most significant …

  7. RETARDATION | English meaning - Cambridge Dictionary

    Increasing and decreasing speed of motion (Definition of retardation from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

  8. Retardation | definition of retardation by Medical dictionary

    retardation A state of backwardness or delayed development, especially of the intellectual functions. Learning difficulty or mental deficiency. Collins Dictionary of Medicine © Robert M. …

  9. 4 Levels of Mental Retardation | Psychology

    In profound retardation majority deformities of the brain, head and body are often observed. Thus, there is gross physical disorder and lack of proper resistance as a result of which in many …

  10. Intellectual disability | Causes, Diagnosis & Treatment | Britannica

    Oct 3, 2025 · When the act was reauthorized in 1970, the two terms appeared together, where developmental disability was defined as a “disability attributable to mental retardation, cerebral …