The N400 as an index of racial stereotype accessibility
The N400 as an index of racial stereotype accessibility
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DOI：
10.1093/scan/nst018
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发表时间：
2014-04-01
影响因子：
4.2
通讯作者：
Simons, Robert F.
中科院分区：
文献类型：
--
作者：
Hehman, Eric;Volpert, Hannah I.;Simons, Robert F.
本研究探讨了N400的可行性，事件相关电位（ERP）相关的检测语义不一致，作为一个指标的刻板印象的可及性和种族间的偏见。参与者的脑电图记录，而他们完成了一个连续的启动任务，其中消极或积极的，刻板的黑人（非洲裔美国人）或白色（高加索裔美国人）的特点后，无论是黑色或白色的脸作为一个启动的介绍。ERP检查集中在N400，但另外检查了N100和P200反应性。复制和扩展以前的N400刻板印象的研究，结果表明，N400确实可以作为一个指标的刻板印象的可访问性在一个跨种族域，更大的N400反应引起的试验中，面对总理是不一致的目标性状比当总理和性状匹配。此外，N400活动受到参与者自我报告的明确偏见的调节。更明显的偏见的参与者表现出更大的N400反应刻板的白色特征以下的黑色面孔比黑色特征以下的黑色面孔。P200活动还与参与者的内隐偏见有关，因为更多的内隐偏见参与者同样表现出更大的P200反应，刻板的白色特征以下的黑色面孔比黑色特征以下的黑色面孔。
The current research examined the viability of the N400, an event-related potential (ERP) related to the detection of semantic incongruity, as an index of both stereotype accessibility and interracial prejudice. Participants' EEG was recorded while they completed a sequential priming task, in which negative or positive, stereotypically black (African American) or white (Caucasian American) traits followed the presentation of either a black or white face acting as a prime. ERP examination focused on the N400, but additionally examined N100 and P200 reactivity. Replicating and extending previous N400 stereotype research, results indicated that the N400 can indeed function as an index of stereotype accessibility in an interracial domain, as greater N400 reactivity was elicited by trials in which the face prime was incongruent with the target trait than when primes and traits matched. Furthermore, N400 activity was moderated by participants' self-reported explicit bias. More explicitly biased participants demonstrated greater N400 reactivity to stereotypically white traits following black faces than black traits following black faces. P200 activity was additionally associated with participants implicit biases, as more implicitly biased participants similarly demonstrated greater P200 reactivity to stereotypically white traits following black faces than black traits following black faces.