Akçay Cağlar, Hazeltine Eliot
University of Iowa, Iowa City, Iowa 52242-1407, USA.
Psychon Bull Rev. 2007 Aug;14(4):742-8. doi: 10.3758/bf03196831.
Recent findings demonstrating that the Simon effect diminishes when the preceding trial is a noncorresponding trial led researchers to develop two alternative accounts. The conflict monitoring account argues that the automatic activation from stimulus location information is under the regulation of a control mechanism, which adjusts the level of activation depending on conflict in the preceding trial. In contrast, the feature integration account holds that sequential modulations of the Simon effect can be attributed to the integration of stimulus and response features into event files. Previous research demonstrated a potential contribution to sequential modulations from both mechanisms. We use a four-choice task to extend these findings and to investigate the exact nature of the feature overlap effects. Both conflict monitoring and feature overlap effects were found to contribute to sequential modulations. However, the feature overlap effects did not conform to predictions of the feature integration account. We argue that the feature overlap effects are accounted for better by strategic shortcuts in response selection.
最近的研究结果表明，当前一个试次为非对应试次时，西蒙效应会减弱，这促使研究人员提出了两种不同的解释。冲突监测理论认为，刺激位置信息的自动激活受一种控制机制的调节，该机制会根据前一个试次中的冲突来调整激活水平。相比之下，特征整合理论认为，西蒙效应的顺序调制可归因于刺激和反应特征整合到事件文件中。先前的研究表明，这两种机制对顺序调制都有潜在贡献。我们使用四选任务来扩展这些发现，并研究特征重叠效应的确切性质。结果发现，冲突监测和特征重叠效应都对顺序调制有贡献。然而，特征重叠效应并不符合特征整合理论的预测。我们认为，特征重叠效应可以通过反应选择中的策略性捷径更好地解释。
