Table 1.

Socio-demographic and memory features of the two study groups. Values denote mean (±Standard Deviation) or numbers of subjects.

	Younger	Older	p
	N=22	N=22
Socio-demographics
Age, years	27.9 (±4.2)	64.7 (±5.5)	<0.001
Education, years	19.1 (±1.7)	18.1 (±2.1)	0.1
Sex (male/female)	10/12	8/14	0.8
APOE ε4-carriers	5	5	1
Family history of dementia	4	6	0.7
Memory test (% of corrected responses)
Global performance	86.4%	84.3%	0.4
Familiar images	98.9%	98.3%	0.6
Novel images	79.3%	77.3%	0.6
Distractors	95.3%	92.4%	0.1
Reaction time (expressed in seconds)
“Familiar” blocks	0.75 (±0.14)	0.73 (±0.11)	0.6
“Novel” blocks	0.99 (±0.29)	0.97 (±0.16)	0.7