Association between ADHD symptoms and inhibition-related brain activity using functional near-infrared spectroscopy (fNIRS)

Tipo
Artigo
Data de publicação
2023
Periódico
Neuroscience Letters
Citações (Scopus)
2
Autores
dos Santos Afonso Junior A.
Machado-Pinheiro W.
Osorio A.A.C.
Seabra A.G.
Teixeira M.C.T.V.
de Araujo Nascimento J.
Carreiro L.R.R.
Orientador
Título da Revista
ISSN da Revista
Título de Volume
Membros da banca
Programa
Resumo
© 2022 The Author(s)Attention deficit hyperactivity disorder (ADHD) is associated with deficits in inhibitory functions including interference control, inhibition of prepotent/automatic responses and suppression of already initiated responses. This study used functional near-infrared spectroscopy (fNIRS) to investigate the neural basis of these three forms of inhibition assessed by a recently developed behavioral protocol combining the Stroop-matching/stop-signal task in twenty-five young adults with inattention, impulsivity and/or hyperactivity symptoms. The severity of ADHD symptoms was measured using the Adult ADHD Self-Report Scale (ASRS). The concentration of oxygenated hemoglobin (HbO) was assessed in the dorsolateral prefrontal cortex (DLPFC), inferior frontal gyrus (IFG) and temporoparietal regions (TP) during the Stroop-matching/stop-signal task. Correlations yielded significant associations between ASRS scores and HbO concentration in frontal regions during blocks with stop-signal tasks, namely the right IFG, the left DLPFC and the left IFG. This study revealed that different types of inhibition involve unique frontal and temporoparietal activities and linked frontal dysfunction during the suppression of ongoing responses to the severity of ADHD symptoms.
Descrição
Palavras-chave
Assuntos Scopus
Attention Deficit Disorder with Hyperactivity , Humans , Impulsive Behavior , Inhibition, Psychological , Prefrontal Cortex , Spectroscopy, Near-Infrared , Young Adult
Citação
DOI (Texto completo)