Causes of Intellectual Disabilities
There are hundreds of known causes of ID, and at the same time, numerous cases for which the cause is unknown.
There are no identifiable causes for mild Intellectual Disability (Smith, Polloway & Patton, 2012).
There are no identifiable causes for mild Intellectual Disability (Smith, Polloway & Patton, 2012).
Two Group Model
Group OneKnown and biological causes, results in intellectual disabilities at all levels.
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Group TwoPresumed to be impacted by psychosocial factors coupled with environmental influences. Possible causes can be identified but precise contributions can rarely be confirmed.
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-Fragile X Syndrome
-Fetal Alcohol Syndrome
-Lead Poisoning -Tumors |
-Absence of Parental Guidance and Mediation -Maternal Education Level -Inadequate Housing -Poor School Attendance |
(Smith, Polloway & Patton, 2012)