Abstract
Abstract Cognition in individuals with Autism Spectrum Disorder (ASD) shows large variability. Nonverbal tests can be more suitable for cognitive assessment in this group. We investigated cognitive abilities in ASD using the SON-R 6-40 Nonverbal Intelligence Test. A total of 37 individuals with ASD (AG) aged 6-24 years participated. Cognitive assessment of the AG was done using the SON-R 6-40 and performance compared with the standardized sample which served as the control group (CG). Results showed lower subtest scores in the AG than in the CG. Approximately 84% of the AG had intellectual disability according to IQ scores. Individuals with preserved speech in the AG had higher IQ scores than patients without preserved speech. There was no relationship between intelligence and ASD symptom severity as reported by families.
Highlights
RESUMO – A cognição de indivíduos com Transtorno do Espectro Autista (TEA) apresenta grande variabilidade
While useful for evaluating cognitive profile, assessing cognitive abilities in Autistic Spectrum Disorder (ASD) is essential in the diagnosis stage (Johnson & Myers, 2007), given that around 45-60% of cases are comorbid with intellectual disability
The objective of the present study was to investigate the performance of individuals with ASD on the SON-R 6-40 non-verbal intelligence test
Summary
RESUMO – A cognição de indivíduos com Transtorno do Espectro Autista (TEA) apresenta grande variabilidade. Investigou-se as habilidades cognitivas de indivíduos com TEA a partir do desempenho no Teste não verbal de inteligência SON-R 6-40. The cognitive profiles of individuals with Autistic Spectrum Disorder (ASD) vary widely, with symptom severity differing among patients with the same diagnosis (Lai et al, 2013; Lord et al, 2014) This variability can be seen in the same individual, with some abilities preserved and others more impaired, where the same individual serves as the reference parameter (Munson et al, 2008; Mecca et al, 2014). The authors found a strong significant negative correlation between intelligence and symptoms in ASD, with the Execution index of the SON-R 21⁄2-7[a]
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