Abstract:
:Following a distributed network model of visuospatial attention, the authors used an A-X version of the Continuous Performance Test and a covert orienting paradigm to examine the vigilance, anterior, and posterior attention systems. Compared with control participants without attention-deficit/hyperactivity disorder (ADHD), children with the predominantly inattentive (ADHD-I) and combined (ADHD-C) subtypes had lower sensitivity (d') to detect targets from nontargets. Children with ADHD-C, but not ADHD-I, additionally had a highly activated response style (lnbeta). Performance for both subtypes decreased to a greater extent over time in a manner consistent with problems in sustained attention. Together, these results suggest the presence of vigilance system deficits in participants with both ADHD subtypes. However, consistent with previous meta-analytic work, there was no evidence for anterior or posterior system orienting dysfunctions in either subtype.
journal_name
Neuropsychologyjournal_title
Neuropsychologyauthors
Huang-Pollock CL,Nigg JT,Halperin JMdoi
10.1037/0894-4105.20.4.420subject
Has Abstractpub_date
2006-07-01 00:00:00pages
420-9issue
4eissn
0894-4105issn
1931-1559pii
2006-08971-004journal_volume
20pub_type
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