Clocking the social mind by identifying mental processes in the IAT with electrical neuroimaging

Schiller Bastian; Gianotti Lorena R. R.; Baumgartner ThomasNash KyleKoenig ThomasKnoch Daria

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Clocking the social mind by identifying mental processes in the IAT with electrical neuroimaging

机译：Clocking the social mind by identifying mental processes in the IAT with electrical neuroimaging

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Why do people take longer to associate the word "love" with outgroup words (incongruent condition) than with ingroup words (congruent condition)? Despite the widespread use of the implicit association test (IAT), it has remained unclear whether this IAT effect is due to additional mental processes in the incongruent condition, or due to longer duration of the same processes. Here, we addressed this previously insoluble issue by assessing the spatiotemporal evolution of brain electrical activity in 83 participants. From stimulus presentation until response production, we identified seven processes. Crucially, all seven processes occurred in the same temporal sequence in both conditions, but participants needed more time to perform one early occurring process (perceptual processing) and one late occurring process (implementing cognitive control to select the motor response) in the incongruent compared with the congruent condition. We also found that the latter process contributed to individual differences in implicit bias. These results advance understanding of the neural mechanics of response time differences in the IAT: They speak against theories that explain the IAT effect as due to additional processes in the incongruent condition and speak in favor of theories that assume a longer duration of specific processes in the incongruent condition. More broadly, our data analysis approach illustrates the potential of electrical neuroimaging to illuminate the temporal organization of mental processes involved in social cognition.

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《Proceedings of the National Academy of Sciences of the United States of America》 |2016年第10期|2786-2791|共6页
作者
Schiller Bastian; Gianotti Lorena R. R.; Baumgartner ThomasNash KyleKoenig ThomasKnoch Daria;
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作者单位

Univ Bern, Inst Psychol, Dept Social Psychol & Social Neurosci, CH-3012 Bern, Switzerland;

Univ Freiburg, Dept Psychol, Lab Biol & Personal Psychol, DE-79104 Freiburg, Germany;

Univ Basel, Ctr Cognit Learning & Memory, CH-3012 Basel, Switzerland;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
implicit social cognition; social neuroscience; intergroup bias; ERP; microstates;

Clocking the social mind by identifying mental processes in the IAT with electrical neuroimaging

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