Table 1.

Demographic data. The format of the values is average (min–max).

Group	AD		MCI		Nor
Sex	Male	Female	Male	Female	Male	Female
N	21	19	21	19	21	19
Age	76.4 (56–87)	75.6 (56–87)	76.5 (57–88)	75.2 (55–86)	76.6 (63–85)	75.8 (62–89)
MMSE	21.7 (20–23)	22.1(20–23 )	27.1 (26–28)	27.1 (26–28)	29.2 (28–30)	29.3 (28–30)