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- aggregation classification "A1".
- aggregation creator B311615.
- aggregation creator B311616.
- aggregation creator B311617.
- aggregation creator person.
- aggregation date "2011".
- aggregation format "application/pdf".
- aggregation hasFormat 2071886.bibtex.
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- aggregation hasFormat 2071886.doc.
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- aggregation hasFormat 2071886.yaml.
- aggregation isPartOf urn:issn:0894-4105.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Social Sciences".
- aggregation title "Identifying a distinctive familial frequency band in reaction time fluctuations in ADHD".
- aggregation abstract "Objective: Patients with ADHD are typically more variable in their reaction times (RT) than control children. Signal processing analyses have shown that time series RT data of children with ADHD have a distinctive low frequency periodic structure suggestive of a pattern of occasional spontaneous performance lapses. Here we use a fine-grained analysis of spectral power across a broader frequency range to differentiate the periodic qualities of ADHD time series RT data from (a) 1/frequency noise, and (b) control performance. We also assess the familiality of these frequencies by using a proband-sibling design. Method: Seventy-one children with ADHD, one of their siblings, and 50 control participants completed a simple RT task. Power across the RI frequency spectrum was calculated. The frequencies significantly differentiating the two groups were identified. Familiality was assessed in two ways: first, by comparing probands with their unaffected siblings and controls, and, second, by investigating the siblings of neuropsychologically impaired and unimpaired children with ADHD. Results: Analyses converged to highlight the potential importance of the .20-.26 Hz band in differentiating the periodic structure of ADHD RT time series data from both 1/frequency noise and control performance. This frequency band also showed the strongest evidence of familiality. Conclusions: RT performance of children with ADHD had a distinctive periodic structure. The band identified as most differentiating and familial was at a higher frequency than in most previous reports. This highlights the importance of employing tasks with faster interstimulus intervals that will allow a larger portion of the frequency spectrum to be examined.".
- aggregation authorList BK598279.
- aggregation endPage "719".
- aggregation issue "6".
- aggregation startPage "711".
- aggregation volume "25".
- aggregation aggregates 2071892.
- aggregation isDescribedBy 2071886.
- aggregation similarTo a0024479.
- aggregation similarTo LU-2071886.