The NoGo-anteriorization and its relation to a central inhibitory mechanism
The maximum of the brain electrical field after NoGo stimuli is located more anteriorly than that after stimuli that tells participants to respond. The difference in topography was called NoGo-Anteriorization (NGA). Recently, there was a debate, whether the NGA is related to a central inhibitory process or not. However, experiments showed that the NGA is not the result of motor potentials during Go trials, the NGA does not represent higher response conflict and or higher mental effort in NoGo trials, and the NGA is not based on less cognitive response selection in NoGo trials. Therefore, the experiments support the assumption that the NGA is connected to an inhibitory mechanism in NoGo conditions.
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