'' is a developmental disability that results in a learning deficit, or a reduced capacity to learn. Intellectual disability is not an illness or disease and cannot be cured. Intellectual disability should not be confused with mental illness.
means a severe, chronic disability attributable to a mental or physical impairment or a combination of mental and physical impairments likely to continue indefinitely and result in substantial functional limitations in any of the following areas of major life activity:
- Self care
- Receptive and expressive language
- Learning
- Mobility
- Self-direction
- Capacity for independent living
- Economic sufficiency

Developmental disabilities originate in the developmental period and are likely to continue throughout the life span of a person.
'' means up to the age of eighteen years.
'' includes problems of personality and behavioural disorders. A person who has a mental illness may respond to therapy and recover.
The following abbreviations may appear in this website:
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Advisory Council for Disability Services |
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Australian Council on Social Services |
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National Industry Association for Disability Services |
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Attention Deficit & Hyperactive Disorder |
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Australian Institute of Health and Welfare |
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Area Manager |
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Australian Society for the Study of Intellectual Disability |
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Australian Recreation Association for People with Intellectual Disabilities |
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Committed About Securing Accommodation |
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Community Association for Special Education |
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Catholic Care for Intellectually Handicapped Persons |
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Continuous Service Improvement |
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Developmental Disability Council of WA |
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Disabled Advocates for Self Help |
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Department of Employment, Education, Training & Youth Affairs |
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Department of Planning and Infrastructure |
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Disability Services Commission |
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Department for Sport and Recreation |
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Disabled Workers Union |
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Employee Advocacy Committee |
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Executive Director |
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Executive General Manager Accommodation and Community Services |
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Executive General Manager Business Services |
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Executive General Manager Corporate Services |
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Estimate of Required Staff Support Instrument (now Service Support Indicator) |
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Commonwealth Department of Family and Community Services |
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Financial & Accounting Manager |
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Federated Miscellaneous Workers Union |
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Human Resources Manager |
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Hospital Salaried Officers Association |
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Homeswest |
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Industrial Relations Commission |
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Information Services Manager |
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Learning & Attentional Disorders Society of WA |
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Law Reform Commission |
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Multi Agency Placement Service |
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Ministry for Housing and Works |
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Manager Marketing and Community Relations |
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National Council on Intellectual Disability |
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Property Operations Manager |
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Purchasing Manager |
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People with Disabilities |
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Quality Assurance |
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Sexuality Education Counselling and Consultancy Agency |
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Service Support Indicator (was ERSSI -Estimate of Required Staff Support Instrument) |
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Tertiary and Further Education |
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Therapy and Professional Services |
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Transport Coordinator |
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University of Western Australia |
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Western Australian Association for Mental Health |
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Western Australian Road Transport Association |
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Sports and Recreation Association for People with Intellectual Disability |