Table 2.

Z-score analyses on tasks measuring EF and social cognition

	Age at diagnosis
	<2 months N = 8-10		2–6 months N = 6		6 months N = 3		Overall N = 17–19
Tasks	RT (s)	Errors (%)	RT (s)	Errors (%)	RT (s)	Errors (%)	RT (s)	Errors (%)
SSV-inhibition (n = 19)
Median Z-score	−0.15	−0.11	−0.32	−0.49	0.64	0.82	−0.15	0.27
Z-score > +2 (n)	1	1	1	1	0	0	2	2
SSV-Cog. Flex. (n = 19)
Median Z-score	0.78	1.53	−0.17	0.67	0.54	−0.85	0.39	1.43
Z-score > +2 (n)	3	3	0	1	0	1	3	5
MS2D (n = 17)
Median Z-score	1.43	−0.07	1.38	−0.35	1.10	1.54	1.12	−0.09
Z-score > +2 (n)	3	1	2	0	1	1	6	2
FI (n = 18)
Median Z-score	0.50	0.52	0.50	0.30	0.36	1.23	0.45	0.52
Z-score > +2 (n)	1	1	1	1	1	0	3	2
FR-overall (n = 18)
Median Z-score	1.14	1.80	0.34	1.36	−0.41	1.53	0.39	1.57
Z-score > +2 (n)	2	3	0	2	1	1	3	6
IFE-overall (n = 17)
Median Z-score	0.29	0.67	−0.21	1.03	2.74	0.46	0.03	0.55
Z-score > +2 (n)	1	2	0	1	2	0	3	3