Behavioural Neurology

Research Article

Visuoperceptual Impairment in Children with NF1: From Early Visual Processing to Procedural Strategies

Table 1

Group comparison on the WISC-III Intelligence test.


	NF1 mean (SD)	S mean (SD)	TD mean (SD)	One-way ANOVA
	NF1 mean (SD)	S mean (SD)	TD mean (SD)	F	value	Post hoc tests^§	Post hoc tests

Wechsler scale
Full-scale IQ	98 (12)	112 (8)	111 (11)	9.649	≤0.001
VC	98 (12)	105 (14)	106 (12)	2.463	0.96	n.s	n.s
PO	101 (14)	116 (7)	113 (11)	8.679	0.001
FFD	94 (12)	108 (6)	113 (11)	15.316	≤0.001
PS	98 (14)	104 (12)	107 (15)	2.136	0.129	n.s	n.s

Legend. NF1: neurofibromatosis type 1; S: siblings; TD: typically developing children; VC: verbal comprehension; OP: perceptual organization; FFD: freedom from distractibility; PS: processing speed. values of 0.05 or lower are considered significant. ^§Post hoc Bonferroni correction.