Table II.

Performance of 29 children with NS on the WRAML2

		Genotype
Measure	Statistic	PTPN11 n = 14	SOS1 n = 5	Unknown n = 10	Full Sample n = 29
General Memory Index	M (SD)	91.1 (15.5)	88.6 (13.8)	89.5 (23.7)	90.1 (17.9)
	Range	55–117	66–101	55–123	55–123
Verbal Memory Index	M (SD)	98.5 (15.5)	96.8 (7.7)	95.4 (23.8)	97.1 (17.4)
	Range	55–114	85–105	55–132	55–132
Visual Memory Index	M (SD)	88.9 (15.0)	89.8 (14.8)	89.2 (21.9)	89.1 (17.1)
	Range	55–106	67–106	55–121	55–121
Attention/Concentration Index	M (SD)	90.5 (17.3)	88.0 (17.4)	87.9 (19.3)	89.2 (17.4)
	Range	55–117	67–106	55–117	55–117