Early Bifrontal Brain Injury: Disturbances in Cognitive Function Development

Table 1

Intellectual evaluations (Wechsler scales).

	4 years 10 months	5 years 9 months	6 years 7 months	8 years 3 months	9 years 8 months
	WPPSI-R	WPPSI-R	WISC-III	WISC-III	WISC-IV
Verbal IQ (or verbal comprehension for WISC-IV)	69	76	71	80	84
Performance IQ (or perceptual reasoning for WISC-IV)	76	84	76	73	77
Full-scale IQ	72	78	69	73	73

^∗Mean 100, standard-deviation 15.