Back to Self Assurance definition listing Choose a year from the dropdown to view that year's definition 2001 2023 2019 2015 2013 2012 2011 2009 2007 2003 2002 2001 Dementia Date: July 2001 Definition: Dementia supported by evidence of progressive loss of the ability to remember; reason; and perceive, understand, express and give effect to ideas. Definition update history: Dementia including Alzheimer’s disease December 2023 Dementia January 2019 Dementia December 2015 Dementia September 2013 Dementia May 2012 Dementia May 2011 Dementia July 2009 Dementia April 2007 Dementia November 2003 Dementia March 2003 Dementia December 2002 Dementia September 2002 Dementia April 2002 Dementia July 2001 Share this by email Back to Self Assurance definition listing