Making Memories: The Development of Long-Term Visual Knowledge in Children with Visual Agnosia

Table 3

Performance of each agnosic child on perception and memory tasks.

	L.	G.	R.
Efron tasks	Not impaired	Not impaired	Not impaired, some errors
Shape discrimination	Not impaired	Not impaired	Not impaired
Dot counting	Not impaired	Not impaired	Impaired
Star cancellation	Not impaired	Impaired, not lateralized misses	Impaired, right misses
Boston naming test	Below average, visual errors	Average, visual errors	Below average, visual and semantic errors
BNT at 500 ms	—	12.5% improvement	35% Worsening
Silhouettes	Impaired; No differences for living/nonliving	Not impaired; Living objects better	Intermediate; No differences for living/nonliving
Overlapping figures	Slightly impaired	Not impaired	Slightly impaired
Famous faces	Impaired	Not impaired	Not impaired
Rey figure copying	Average, but very slow process	Impaired	Impaired
Reading	Slow	Normal	Slow
Writing	Relatively normal	Relatively normal	Relatively normal
Navon task	Global effect exaggerated	Global and local effect exaggerated	Global and local effect exaggerated
Verbal memory	Not impaired	Not impaired	Impaired
Rey figure memory	Impaired	Impaired	Impaired
Immediate visual memory
(i) Benton VRT	Impaired	Impaired	Impaired
(ii) Objects	Impaired	Impaired	Impaired
(iii) Abstract designs	Impaired	Impaired	Impaired