Table 5.

Pearson correlations between different memory scores and speed of processing, visual attention, frontal executive function, intelligence score, years of education, and birth measures.

	Long-term verbal recall	Working memory
	Memory (recall)	Memory (learning)	PAL (total errors multiplied by −1, adjusted)	PRM (number correct)	SRM (number correct)
Memory (learning)	0.86***	–
PAL (total errors multiplied by −1, adjusted)	0.41***	0.34**	–
PRM (number correct)	0.41***	0.45***	0.31*	–
SRM (number correct)	0.23	0.20	0.09	0.26*	–
Minus trail-making Test A	0.40***	0.24*	0.26*	0.15*	0.33**
Minus trail-making Test B	0.56***	0.46***	0.39**	0.35**	0.34**
SDMT	0.31*	0.32**	0.38**	0.33**	0.18
RVP (number of total Hits)	0.18	0.29*	0.10	0.15	0.12
IST2000	0.49***	0.53***	0.27*	0.36**	0.16
Birth weighta	−0.26	−0.23	−0.04	0.26	−0.14
Birth lengtha	−0.25	−0.23	−0.02	0.16	−0.06
Years of education	0.39**	0.44***	0.23	0.18	−0.10
Number of individuals	40	40	40	40	40

Robust standard errors in parentheses.

^*p < 0.10,

^**p < 0.05,

^***p < 0.01.

All specifications include a constant that was omitted from the table.

^aBased on a sample of 36 subjects.

PAL, Paired Associates Learning; PRM, Pattern Recognition Memory; SRM, Spatial Recognition Memory; SOC, Stockings of Cambridge.