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Brain Cogn. 2008 Aug;67(3):324-39. doi: 10.1016/j.bandc.2008.02.002. Epub 2008 Mar 20.

Selective attention and inhibitory deficits in ADHD: does subtype or comorbidity modulate negative priming effects?

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  • 1Department of Psychology, University of Canterbury, Private Bag 4800, Christchurch, New Zealand.

Abstract

Selective attention has durable consequences for behavior and neural activation. Negative priming (NP) effects are assumed to reflect a critical inhibitory component of selective attention. The performance of adolescents with Attention Deficit/Hyperactivity Disorder (ADHD) was assessed across two conceptually based NP tasks within a selective attention procedure. Comorbidity (non-comorbid ADHD vs. comorbid ADHD) and subtype (ADHD combined vs. ADHD inattentive) were considered key issues. Results found NP effects to differ as a function of comorbidity but not subtype. Findings are discussed in light of functional neuroimaging evidence for neuronal enhancement for unattended stimuli relative to attended stimuli that strongly complements an inhibitory-based explanation for NP. Implications for the 'AD' in ADHD and contemporary process models of the disorder are considered.

PMID:
18358583
DOI:
10.1016/j.bandc.2008.02.002
[PubMed - indexed for MEDLINE]
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