acetylcholine A neurotransmitter involved in learning and memory that is severely diminished in Alzheimer's disease.
activities of daily living (ADL) Personal care activities necessary for everyday living, such as eating, bathing, grooming, dressing and toileting.
advance directives (living wills) Written statements made by a competent person about what medical treatment they would like when they are no longer competent to make the decision.
advocate A person who acts on behalf of another party.
age-associated memory impairment A decline in short-term memory that sometimes accompanies ageing.
Aged Care Assessment Team (ACAT) A multidisciplinary team that performs comprehensive assessments of the needs of older people and people with disabilities.
Aged Care Client Record The form completed by an ACAT that allows access to certain community services and residential care.
ageing in place An approach that aims to provide residents with appropriate care and increased choice by allowing them to remain in the same aged care home regardless of their levels of care needs.
alpha-synuclein Protein found in Lewy bodies; occurs in dementia with Lewy bodies and Parkinson's disease.
Alzheimer's disease The most common type of dementia amongst older people.
amnestic disorders A group of disorders characterised by loss of memory in the absence of other cortical dysfunction.
amyloid plaque Insoluble clumps of beta-amyloid protein found in the brains of people with Alzheimer's disease.
amyloid precursor protein (APP) A large protein from which betaamyloid is derived; found throughout the brain.
antioxidants Substances that remove free radicals which are thought to damage the brain.