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Intellectual Disability and Developmental Delay: AAIDD Supports Model and Adaptive Functioning

Examine Intellectual Disability and Global Developmental Delay (GDD). Learn the AAIDD supports model, adaptive functioning domains, and rights-based inclusion.

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By Kriyasya Companion 2 min read Updated October 23, 2026

Intellectual Disability (Intellectual Developmental Disorder) is a neurodevelopmental disorder originating during the developmental period, characterized by significant limitations both in Intellectual Functioning (reasoning, problem-solving, planning, abstract thinking, judgment, academic learning) and in Adaptive Behavior across three domains: Conceptual, Social, and Practical. Global Developmental Delay (GDD) is reserved for individuals under age 5 who fail to meet expected developmental milestones in several areas of intellectual functioning, where standardized psychometric testing cannot reliably be conducted. Grounded in the American Association on Intellectual and Developmental Disabilities (AAIDD) Supports Model, the Intellectual Disability and Global Developmental Delay Psychoeducation Module provides 23 structured video lessons detailing adaptive functioning levels, personalized supports, and rights-based advocacy.

The Three Adaptive Functioning Domains

  1. Conceptual Domain: Competence in memory, language, reading, writing, mathematical reasoning, acquisition of practical knowledge, and problem-solving.
  2. Social Domain: Awareness of others’ thoughts, feelings, and experiences; empathy; interpersonal communication skills; friendship abilities; and social judgment.
  3. Practical Domain: Learning and self-management across life settings, including personal care, job responsibilities, money management, recreation, self-management of behaviour, and school and work task organization.

The AAIDD Supports Paradigm

Contemporary clinical ethics moves away from rigid IQ cutoffs toward assessing intensity of needed supports: Intermittent, Limited, Extensive, or Pervasive. By implementing targeted environmental adaptations, augmentative communication, and vocational scaffolding, individuals achieve maximal personal autonomy and social inclusion.

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Content published on Kriyasya Pulse represents editorial and educational insights uniting traditional wisdom with contemporary research. Readers are encouraged to apply discernment and seek qualified guidance where appropriate.

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Examine Intellectual Disability and Global Developmental Delay (GDD). Learn the AAIDD supports model, adaptive functioning domains, and rights-based inclusion.

Intellectual Disability and Developmental Delay: AAIDD Supports Model and Adaptive Functioning

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