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SHREE SIDDHIVINAYAK DIVYANG PUNARVASAN
SHIKSHAN SANTHA, NASHIK

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Intellectual Disability

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Intellectual Disability

Intellectual Disability (I.D.), generally known as ID, refers to substantial limitations in present functioning.
It begins before the age of 18 and is characterized by significantly below-average intellectual functioning, existing together with related limitations in adaptive skills.

Intellectual Disability (formerly known as mental retardation) is a neurodevelopmental disorder characterized by:

  • Below-average intellectual functioning (IQ ≤ 70)

  • Deficits in adaptive behavior (social, conceptual, practical skills)

  • Onset before age 18

It affects a person's ability to reason, learn, solve problems, and live independently.


These affect mental functioning and adaptive behavior (learning, communication, and daily skills).

  • Intellectual Disability (ID) / Mental Retardation

  • Specific Learning Disabilities (SLD) – Difficulty in reading, writing, or math

  • Autism Spectrum Disorder (ASD) – Challenges in communication, social skills, and behavior

These involve problems with body movement or physical coordination.

  • Locomotor Disability – Difficulty in movement (e.g., cerebral palsy, amputations)

  • Leprosy-Cured Persons – Loss of sensation and deformities due to leprosy

  • Cerebral Palsy (CP) – Muscle control and posture affected due to brain damage

These affect one or more senses such as hearing or vision.

  • Blindness – Complete loss of vision

  • Low Vision – Partial sight; can use assistive devices

  • Hearing Impairment (Deafness) – Loss of hearing in one or both ears

  • Speech and Language Disability – Difficulty in speaking or communicating

These affect emotional, psychological, and social well-being.

  • Mental Illness – Depression, anxiety, schizophrenia, bipolar disorder, etc.

  • Chronic Neurological Conditions – Parkinson’s Disease, Multiple Sclerosis

Long-term health conditions that may limit daily functioning.

  • Hemophilia – Blood doesn’t clot properly

  • Thalassemia – Genetic blood disorder

  • Sickle Cell Disease – Red blood cells become sickle-shaped and block flow

  • When a person has two or more disabilities together, such as intellectual disability with blindness or cerebral palsy with hearing loss.

  • Example: Multiple Disabilities including Deafblindness.

  • To provide equal opportunities for education and employment

  • To promote independence and inclusion

  • To ensure accessibility in public spaces and transport

  • To protect dignity and human rights of every person