Abnormalities in Pattern of Lateralization in Relation to Visuospatial Short Term Memory in Children with Williams Syndrome

Table 1

Summary of results for Study 1, showing means and standard deviations in parentheses.

	Group
	Typically; developing	Williams; syndrome
Mean K-ABC score	11.55 (1.57)	4.45 (0.89)
Horizontal misplacement
Left	1.15 (1.66)	4.40 (3.80)
Centre	1.64 (1.18)	5.72 (2.78)
Right	1.50 (1.00)	3.70 (2.81)
Vertical misplacement
Top	1.05 (1.23)	5.05 (4.43)
Centre	1.74 (1.48)	4.55 (2.72)
Bottom	1.40 (0.94)	5.30 (3.93)
Horizontal omission
Left	3.60 (2.85)	2.60 (2.16)
Centre	5.05 (2.45)	4.84 (3.78)
Right	2.45 (1.57)	8.60 (4.89)
Vertical omission
Top	3.00 (2.67)	5.50 (3.03)
Centre	2.44 (0.84)	3.65 (2.27)
Bottom	6.85 (3.09)	7.45 (3.89)