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Article Navigation >  Journal of University of Electronic Science and Technology of China  > 2011  >  40(3): 465-469

YIN Gang, LIU Tie-jun. NoGo-N2、P3 Effect Analysis in Go/NoGo Paradigm[J]. Journal of University of Electronic Science and Technology of China, 2011, 40(3): 465-469. doi: 10.3969/j.issn.1001-0548.2011.03.027
Citation: YIN Gang, LIU Tie-jun. NoGo-N2、P3 Effect Analysis in Go/NoGo Paradigm[J]. Journal of University of Electronic Science and Technology of China, 2011, 40(3): 465-469. doi: 10.3969/j.issn.1001-0548.2011.03.027
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NoGo-N2、P3 Effect Analysis in Go/NoGo Paradigm

doi: 10.3969/j.issn.1001-0548.2011.03.027
  • 1.

    Key Laboratory for Neuro Information of Ministry of Education,University of Electronic Science and Technology of China Chengdu 610054

  • Received Date: 2009-12-28
  • Rev Recd Date: 2010-04-05
  • Publish Date: 2011-06-15
  • During the study of brain mechanism of response inhibition using event-related potentials (ERP) under Go/NoGo experiment paradigm, traditional research results have shown that ERP following Go/NoGo tasks show two major differences between Go and NoGo trials at the prefrontal area. One is a negative deflection of N2 component in NoGo trials compared to Go trials, and the other is a positive deflection of P3 component in NoGo trials compared to Go trials. They are also named NoGo-N2 effect and P3 effect. The overlap of movement-related component deriving behavior response on Go trials may make true NoGo-N2 effect and P3 effect to be masked. In order to recover true NoGo-N2 effect and P3 effect, stimulus and response components decomposition method is applied to eliminate the influence of motor-related component in Go trials. Results show that NoGo-P3 effect is resulted from overlap of motor-related component and it may not relate to response inhibition processes, while NoGo-N2 effect is related to response inhibition processes.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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NoGo-N2、P3 Effect Analysis in Go/NoGo Paradigm

doi: 10.3969/j.issn.1001-0548.2011.03.027
  • 1. Key Laboratory for Neuro Information of Ministry of Education,University of Electronic Science and Technology of China Chengdu 610054
  • Received Date: 2009-12-28
  • Rev Recd Date: 2010-04-05
  • Publish Date: 2011-06-15

Abstract: During the study of brain mechanism of response inhibition using event-related potentials (ERP) under Go/NoGo experiment paradigm, traditional research results have shown that ERP following Go/NoGo tasks show two major differences between Go and NoGo trials at the prefrontal area. One is a negative deflection of N2 component in NoGo trials compared to Go trials, and the other is a positive deflection of P3 component in NoGo trials compared to Go trials. They are also named NoGo-N2 effect and P3 effect. The overlap of movement-related component deriving behavior response on Go trials may make true NoGo-N2 effect and P3 effect to be masked. In order to recover true NoGo-N2 effect and P3 effect, stimulus and response components decomposition method is applied to eliminate the influence of motor-related component in Go trials. Results show that NoGo-P3 effect is resulted from overlap of motor-related component and it may not relate to response inhibition processes, while NoGo-N2 effect is related to response inhibition processes.

YIN Gang, LIU Tie-jun. NoGo-N2、P3 Effect Analysis in Go/NoGo Paradigm[J]. Journal of University of Electronic Science and Technology of China, 2011, 40(3): 465-469. doi: 10.3969/j.issn.1001-0548.2011.03.027
Citation: YIN Gang, LIU Tie-jun. NoGo-N2、P3 Effect Analysis in Go/NoGo Paradigm[J]. Journal of University of Electronic Science and Technology of China, 2011, 40(3): 465-469. doi: 10.3969/j.issn.1001-0548.2011.03.027
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