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*** the perceptual profiles of children and adolescents with a neurodevelopmental condition

Annals of Eye Science 2018年第1期 475-475页

作者： Domenico Tullo Margarita Miseros Armando Bertone Research Center McGill UniversityMontrealQCCanada

Background:Perceptual profiles,or the performance on visual-perceptual tasks that reflect early visual information processing,have been used to suggest condition-specific visuo-perceptual abilities across neurodevelopmental conditions(NDCs).The complexity-specific hypothesis(Bertone et al.,2010)was based on perceptual profiles defined by a selective decrease in sensitivity to more complex,texture-defined information in adults with autism and fragile-x syndrome,suggesting the atypical development of neural networks underlying early perception in *** aim of this study was to evaluate whether the complexity-specific hypothesis is applicable to children and adolescents with different NDCs by defining and comparing their perceptual ***:A single interval,two alternative forced-choice identification paradigm was used to measure the perceptual profiles of 64 participants with a NDC(MIQ=78)and 43 typically developing(TD)participants(MIQ=103),aged 5 to 17 *** with a NDC were diagnosed with either:autism spectrum disorder(ASD,n=32),attention deficit/hyperactivity disorder(ADHD,n=9),or intellectual disability(ID,n=12).Perceptual profiles were defined by measuring participants’sensitivity to static(orientation identification task)and dynamic(direction identification task)gratings(1 cpd)defined by either luminance(simple)or texture(complex)*** Weschler Abbreviated Scale of Intelligence 2(WASI-2)was used as a measure of cognitive ***:When performance was averaged across NDC and TD participants,no between-group difference in sensitivity was found for any of the conditions ***,when assessed as a function of diagnosis,we found that the ID group was less sensitive to both the luminance(P=0.04)and texture-defined(P=0.01)dynamic information when compared to the TD ***,although the perceptual profile of the ASD group was similar of that of the TD group,a significant positive relationship between mental age an

关键词： Neurodevelopment conditions perception first and second order information processing neural networks

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