1. Definitions
   1. Adversely affects
   2. PWD
   3. ICF
   4. AT
2. Legend
   1. UNESCO
   2. IDEA
   3. WHO ICF
   4. Case Study
   5. Assistive Technology
3. Physical
   1. Seeing
      1. Visual impairment and blindness
         1. Assistive Technology
      2. Blindness / low vision
         1. Totally Blind
         2. Legally Blind
         3. Low Vision
      3. Adaptations
   2. Hearing
      1. Deaf-blindness
      2. Deafness
         1. Assistive Technology
      3. Hearing impairment
      4. Adaptations
   3. Body
      1. Orthopedic impairment
         1. Disease
            1. poliomyelitis
            2. bone tuberculosis
         2. Congenital anomaly
         3. Other causes
            1. cerebral palsy
            2. amputations
            3. fburns that cause contractures
      2. Deaf / hard-or-hearing
      3. Physical
         1. Spinal cord injury (paraplegia or quadriplegia
         2. cerebral palsy
            1. Assistive Technology and Case study
         3. spina bifida
         4. amputation
            1. Assistive Technology
         5. muscular dystrophy
         6. cardiac conditions
         7. cystic fibrosis
         8. paralysis
            1. Assistive Technology
         9. polio/ post polio
         10. stroke
      4. Impairments
         1. Impaired muscle power
         2. Impaired passive range of movement
         3. Limb deficiency
            1. Assistive Technology
         4. Hypertonia
         5. Ataxia
         6. Athetosis
            1. Assistive Technology
      5. Body structures
         1. Leg length difference
         2. Short stature
      6. Adaptations
4. Mental
   1. Developmental
      1. Autism
         1. Case Study
      2. Developmental delay
         1. Physical
         2. Cognitive
         3. Communication
         4. Adaptive
         5. Social or emotional
      3. Adaptations
   2. Psychological
      1. Specific learning disability
         1. Perceptual disabilities
            1. Assistive Technology
         2. Brain injury
         3. Brain dysfunction
         4. Developmental aphasia
         5. Dyslexia
            1. Case Study
            2. Assistive Technology
      2. Learning disabilities
         1. Case Study
      3. Emotional disturbance
         1. inability to learn
         2. inability to build relationships
         3. inappropriate behavior
         4. Unhappiness or depression
         5. Physical symptoms of problems
      4. Psychiatric
      5. Adaptations
      6. Adaptations
5. Physical and/or Mental
   1. Other health impairment
      1. ADD
      2. ADHD
      3. Asthma
      4. Diabetes
      5. Epilepsy
      6. Heart Condition
      7. Hemophilia
      8. Lead poisoning
      9. Leukemia
      10. Nephritis
      11. Rheumatic fever
      12. Sickle cell anemia
      13. Tourette syndrome
      14. Adaptations
      15. Adaptations
   2. Medical disabilities
      1. Cancer
      2. Chronic Fatigue Syndrome
      3. Epilespsy
      4. Fibromyalgia
      5. Lupus Erythmatosis
      6. Multiple Scerosis
      7. Chemical Dependency
      8. Diabetes
      9. Epstein Barr virus
      10. HIV + AIDS
      11. Multiple Chemical Sensitivity
      12. Renal Diease
   3. Body Functions
   4. Multiple disabilities
   5. Brain Function
      1. Traumatic brain injury
         1. Language
            1. Assistive technology
         2. Memory
            1. Assistive technology
         3. Attention
            1. Assistive Technology
         4. Reasoning
         5. Abstract thinking
         6. Judgment
         7. Problem-solving
         8. Sensory
         9. Speech
            1. Assistive technology
         10. Perceptual
         11. Motor abilities
             1. Assistive technology
         12. Psychosocial behavior
         13. Physical functions
         14. Information processing
         15. Cognition
      2. Brain injuries
      3. Intellectual disability
      4. Attention-deficit / hyperactivity disorders
         1. Adaptations
      5. Adaptations
   6. Speaking
      1. Speech or language impairment
         1. Assistive Technology
      2. Speech and language
         1. Projection
         2. Fluency
            1. Assistive Technology
         3. stuttering/ stammering
         4. articulation
      3. Adaptations
   7. Adaptations