Table 3.

Significant differences between groups according to disease etiology and disease stage

	Significant differences in
aMCl	ZVT, DS forward, word list delayed recall, word list savings, word list recognition commission errors, copying	MCI PD
ZVT, DS backward, naming, FAS, semantic fluency, verbal comprehension, omissions and commissions in visual recognition, word list learning, delayed recall, savings, omissions and commissions in word list recognition, copying, visuoconstructive delayed recall and savings		BDI, DS forward and backward, naming, semantic fluency, verbal comprehension, omissions in visual recognition, word list learning, delayed recall, savings, omissions in word list recognition, visuoconstructive delayed recall and savings
AD	BDI, word list learning, word list commission errors, visual recognition commissions	PDD

BDI = Beck Depression Inventory

DS = Digit Span

FAS = phonological word fluency test.