If a person has experienced symptoms from all categories during their early developmental period and beyond, it is recommended that they engage in a clinical assessment and individualised, standardised intelligence testing in order to determine whether they meet criteria for a diagnosis of an intellectual disability.
For a more comprehensive psychological and cognitive assessment, contact Strategic Psychology to book an appointment on (02) 6262 6157 or email email@example.com.
Reference: American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (DSM-5). Washington, D.C.: American Psychiatric Association.