Table 1.

Participants’ mean scores and standard deviations on the neuropsychological tests as a function of age group (young-old vs. old-old)

Neuropsychological tests	Young-old		Old-old		t value
	M	SD	M	SD
Verbal intelligence	31.88	3.01	31.82	3.53	0.07
Short-term memory
Digit span forward	4.28	0.89	3.97	1.09	1.28
Digit span backward	3.41	1.07	3.10	1.17	1.13
Inhibitory control	0.25	0.23	0.38	0.21	−2.53*

* p < 0.05