{"id":15078,"date":"2022-05-04T13:39:52","date_gmt":"2022-05-04T18:39:52","guid":{"rendered":"https:\/\/last-drum.flywheelsites.com\/?p=15078"},"modified":"2024-04-28T17:35:34","modified_gmt":"2024-04-28T22:35:34","slug":"average-or-high-iq-in-individuals-with-asd-may-be-higher-than-previously-estimated","status":"publish","type":"post","link":"https:\/\/autism.org\/average-or-high-iq-in-individuals-with-asd-may-be-higher-than-previously-estimated\/","title":{"rendered":"Average or high IQ in individuals with ASD may be higher than previously estimated"},"content":{"rendered":"

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The number of individuals who have autism spectrum disorders (ASD) without intellectual impairment is higher than previously believed, according to recent research.<\/p>\n

Maja Katusic and colleagues examined the medical and school records of more than 30,000 individuals born between 1976 and 2000 in Olmsted County, Minnesota. They identified cases of ASD based on behavioral data in the records, using both broad and narrow definitions of autism as defined by the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSMIV). In addition, they identified individuals with documented clinical autism diagnoses.<\/p>\n<\/div>

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The researchers found that of 890 individuals who met the inclusive definition of autism and had IQ scores available, 59 percent had an average or higher IQ score. Of the 453 individuals who met the narrow criteria, 51 percent had an average or higher IQ score. Only 43 percent of the 187 individuals with a clinical diagnosis of ASD had an average or higher IQ score. Males were more likely than females to have average or higher IQs.<\/p>\n

The researchers say their findings \u201csuggest that nearly half of individuals with ASD have average or higher IQ,\u201d and warn that these individuals \u201cremain at risk for not being identified.\u201d<\/p>\n

\u2014<\/p>\n

\u201cIQ in autism spectrum disorder: a population-based birth cohort study,\u201d Maja Z. Katusic, Scott M. Myers, Amy L. Weaver, and Robert G. Voigt, Pediatrics<\/em>, November 4, 2021 (online ahead of print publication). Address: Maja Katusic, Mayo Clinic, 200 1st St SW Rochester, MN 55902, katusic.maja@mayo.edu.<\/p>\n

\u2014and\u2014<\/p>\n

\u201cAutism without intellectual impairments more common than previously reported,\u201d Jonathan Moens, Spectrum News<\/em>, December 1, 2021.<\/p>\n

This article originally appeared in Autism Research Review International, <\/em><\/a>Vol. 36, No. 1, 2022<\/em><\/p>\n<\/div>

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