Table 1.

Cognitive features of different dementia criteria used for clinical practice and research

Impairments	DSM-III (1980) to DSM-IV-TR (2001)	ICD-10 (1994)	NIA-AA (2010)	ADRC of Pittsburgh (1984)
Memory + one cognitive domain	Yes
Memory + two domainsa		Yesa,b
Two domains or more, not necessarily memory impaired			Yesc	Yes

ADRC, Alzheimer’s Disease Research Center.

^aMemory (verbal + nonverbal) + abstract thinking, judgment and problem solving + other cognitive domain.

^bBehavioral symptoms strengthen the diagnosis.

^cOne of the domains could be behavioral abnormalities.