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Table 1 General cognitive abilities assessed in neurotypical participants and patients with WS. Mean represent scaled scores for Wechsler substests (norm: mean = 10; SD = 3)

From: Dissociation of early and late face-related processes in autism spectrum disorder and Williams syndrome

General cognitive abilities tests Neurotypical (N = 14) Patients with WS (N = 14) Two Samples t-test P-value
Mean (SD) Mean (SD)
Matrices 11.9 (2.8) 3.8 (2.9)  < 0.001
Similarities 15.3 (2.7) 4.5 (3.4)  < 0.001
Arrows 12 (2.5) 2.1 (2.1)  < 0.001
Auditory attention 10.5 (4.0) 6.5 (5.2) 0.035