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

Authors
  • Pritchard, Verena E.
  • Neumann, Ewald
  • Rucklidge, Julia J.
Publication Date
Aug 01, 2008
Source
Queensland University of Technology ePrints Archive
Keywords
License
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Abstract

<p>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.</p>

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