Department of Psychology, University of California, Los Angeles, California, USA.
Psychophysiology. 2012 May;49(5):627-37. doi: 10.1111/j.1469-8986.2011.01345.x. Epub 2012 Jan 31.
Psychiatric and neurologic disorders are associated with deficits in the postconflict recruitment of cognitive control. The primary aim of this study was to validate the relationship between cognitive functioning and indices of conflict adaptation. Event-related potentials were obtained from 89 healthy individuals who completed an Eriksen flanker task. Neuropsychological domains tested included memory, verbal fluency, and attention/executive functioning. Behavioral measures and N2 amplitudes showed significant conflict adaptation (i.e., previous-trial congruencies influenced current-trial measures). Higher scores on the attention/executive functioning and verbal fluency domains were associated with larger incongruent-trial N2 conflict adaptation; measures of cognitive functioning were not related to behavioral indices. This study provides initial validation of N2 conflict adaptation effects as cognitive function-related aspects of cognitive control.
精神和神经紊乱与冲突后认知控制的募集缺陷有关。本研究的主要目的是验证认知功能与冲突适应指标之间的关系。通过 89 名健康个体的事件相关电位来完成艾里克森侧翼任务。神经心理学测试的领域包括记忆、语言流畅性和注意力/执行功能。行为测量和 N2 波幅显示出显著的冲突适应（即前一试验的一致性影响当前试验的测量）。注意力/执行功能和语言流畅性领域的较高分数与较大的不一致试验 N2 冲突适应相关；认知功能的测量与行为指标无关。这项研究初步验证了 N2 冲突适应效应作为认知控制中与认知功能相关的方面。
