Table 1.

Criteria used to classify study participants

	HC group	CC group	MCI group
1. Abnormal memory performance*			+
2. Significant memory complaints, corroborated by an informant†		+	+
3. Relatively preserved general cognitive functioning	+	+	+
4. Generally normal activities of daily living	+	+	+
5. No dementia	+	+	+
6. No depression or other major psychiatric disorder	+	+	+

^*At least 1.5 SDs below the mean established for age- and education-matched controls on standardized tests of episodic memory.

^†Endorsed at least 20% of possible cognitive complaints across all inventories or complaints deemed significant by clinical consensus.

HC = healthy control; CC = cognitive complaint; MCI = mild cognitive impairment.