BRIEF REPORT: Impaired flexible item selection task (FIST) in school-age children with autism spectrum disorders
Published Date:Sep 2012
Source:J Autism Dev Disord. 42(9):2013-2020.
Pubmed Central ID:PMC4089358
Funding:F32 HM081409-01/HM/NCHM CDC HHS/United States
F32 MH081409/MH/NIMH NIH HHS/United States
HD04024/HD/NICHD NIH HHS/United States
HD35468/HD/NICHD NIH HHS/United States
K23 MH086111/MH/NIMH NIH HHS/United States
K23MH086111-02/MH/NIMH NIH HHS/United States
L30 HD048361/HD/NICHD NIH HHS/United States
P01 HD035468/HD/NICHD NIH HHS/United States
P30 HD004024/HD/NICHD NIH HHS/United States
Description:Cognitive flexibility has been measured with inductive reasoning or explicit rule tasks in individuals with autism spectrum disorders (ASD). The Flexible Item Selection Task (FIST) differs from previous cognitive flexibility tasks in ASD research by giving children an abstract, ambiguous rule to switch. The ASD group (N = 22; Mean age = 8.28 years, SD = 1.52) achieved a lower shift percentage than the typically developing verbal mental-age control group (N = 22; Mean age = 6.26 years, SD = 0.82). There was a significant positive correlation between verbal mental age and shift percentage for children with ASD. Group differences on the FIST converge and extend prior evidence documenting an impaired ability to adapt rapidly to changes in task demands for individuals with ASD.
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