Error related negativity and multi-source interference task in children with attention deficit hyperactivity disorder-combined type

AUTOR(ES)

Huerta-Albarrán, Rosana, Poblano, Adrián, Santana-Vargas, Daniel, Castro-Sierra, Eduardo, Haro, Reyes, Garza-Morales, Saúl

FONTE

Arq. Neuro-Psiquiatr.

DATA DE PUBLICAÇÃO

2015-03

RESUMO

Objective To compare performance of children with attention deficit hyperactivity disorders-combined (ADHD-C) type with control children in multi-source interference task (MSIT) evaluated by means of error related negativity (ERN). Method We studied 12 children with ADHD-C type with a median age of 7 years, control children were age- and gender-matched. Children performed MSIT and simultaneous recording of ERN. Results We found no differences in MSIT parameters among groups. We found no differences in ERN variables between groups. We found a significant association of ERN amplitude with MSIT in children with ADHD-C type. Some correlation went in positive direction (frequency of hits and MSIT amplitude), and others in negative direction (frequency of errors and RT in MSIT). Conclusion Children with ADHD-C type exhibited a significant association between ERN amplitude with MSIT. These results underline participation of a cingulo-fronto-parietal network and could help in the comprehension of pathophysiological mechanisms of ADHD.

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