sexta-feira, 29 de agosto de 2014

Time Reproduction Performance Is Associated With Age and Working Memory in High-Functioning Youth With Autism Spectrum Disorder

Keywords:

  • temporal processing;
  • time estimation;
  • inattention/hyperactivity
Impaired temporal processing has historically been viewed as a hallmark feature of attention deficit hyperactivity disorder. Recent evidence suggests temporal processing deficits may also be characteristic of autism spectrum disorder (ASD). However, little is known about the factors that impact temporal processing in children with ASD. The purpose of this study was to assess the effects of co-morbid attention problems, working memory (WM), age, and their interactions, on time reproduction in youth with and without ASD.
Twenty-seven high-functioning individuals with ASD and 25 demographically comparable typically developing individuals (ages 9–17; 85% male) were assessed on measures of time reproduction, auditory WM, and inattention/hyperactivity. The time reproduction task required depression of a computer key to mimic interval durations of 4, 8, 12, 16, or 20 sec. Mixed effects regression analyses were used to model accuracy and variability of time reproduction as functions of diagnostic group, interval duration, age, WM, and inattention/hyperactivity.(...)
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