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The influence of specific autism spectrum disorder (ASD) deficits in Intelligence Quotients (IQ), Indexes and subtests from the Wechsler Intelligence Scale for Children-III was investigated in 445 school-aged children: ASD (N = 224) and other neurodevelopmental disorders (N = 221), matched by Full-Scale IQ and chronological age. ASD have lower scores in the VIQ than PIQ. The core distinctive scores between groups are Processing Speed Index and "Comprehension" and "Coding" subtests with lower results in ASD. ASD group with normal/high IQ showed highest score on "Similarities" subtest whereas the lower IQ group performed better on "Object Assembly." The results replicated our previous work on adaptive behaviour, showing that adaptive functioning is positively correlated with intellectual profile, especially with the Communication domain in ASD.

The influence of specific autism spectrum disorder (ASD) deficits in Intelligence Quotients (IQ), Indexes and subtests from the Wechsler Intelligence Scale for Children-III was investigated in 445 school-aged children: ASD (N = 224) and other neurodevelopmental disorders (N = 221), matched by Full-Scale IQ and chronological age. ASD have lower scores in the VIQ than PIQ. The core distinctive scores between groups are Processing Speed Index and 'Comprehension' and 'Coding' subtests with lower results in ASD. ASD group with normal/high IQ showed highest score on 'Similarities' subtest whereas the lower IQ group performed better on 'Object Assembly'. The results replicated our previous work on adaptive behaviour, showing that adaptive functioning is positively correlated with intellectual profile, especially with the Communication domain in ASD., Author(s): Susana Mouga[sup.1] [sup.2] , Catia Cafe[sup.2] , Joana Almeida[sup.2] , Carla Marques[sup.2] , Frederico Duque[sup.2] [sup.3] , Guiomar Oliveira[sup.1] [sup.2] [sup.3] [sup.4] Author Affiliations: (1) Faculty of Medicine, Institute [...]