The Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-Cog) is a brief neuropsychological assessment used to assess the severity of cognitive symptoms of dementia.
It is one of the most widely used cognitive scales in clinical trials[1] and is considered to be the “gold standard” for assessing antidementia treatments.
[2] The ADAS-Cog is one half of the Alzheimer's Disease Assessment Scale (ADAS), which also contains a non-cognitive subscale (ADAS-Noncog), which includes 10 tasks which assess mood and behavioural changes which may occur in Alzheimer's disease and other forms of dementia.
[2] The ADAS-Cog consists of 11 tasks: Since its original creation in 1980s there have been many alternate versions of the ADAS-Cog created for various reasons.
A review found 31 modified versions of the ADAS-Cog,[2] these include: