Affective processing within 1/10th of a second: High arousal is necessary for early facilitative processing of negative but not positive words
Affective processing within 1/10th of a second: High arousal is necessary for early facilitative processing of negative but not positive words
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DOI：
10.3758/9.4.389
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发表时间：
2009-12-01
影响因子：
2.9
通讯作者：
Jacobs, Arthur M.
中科院分区：
文献类型：
--
作者：
Hofmann, Markus J.;Kuchinke, Lars;Jacobs, Arthur M.
词汇的决定，高和低唤醒消极的话，低唤醒中性和积极的话进行了检查的事件相关电位（ERP）的研究。反应时间积极和高唤醒消极词短于那些中性（低唤醒）的话，而那些低唤醒消极词的时间较长。在ERP反应的早期时间窗口中观察到类似的模式：在刺激开始后的80至120毫秒的时间范围内，积极和高唤醒的消极词都会引起更大的负电位。这一结果表明，唤醒对积极和消极词的早期词汇加工有不同的影响。在相关的时间范围内的源定位显示，在负面的话的唤醒效果很可能是本地化的左枕颞区，包括颞中回和梭状回。ERP的唤醒效应似乎是由于早期的词汇语义加工的高唤醒消极的话。
Lexical decisions to high- and low-arousal negative words and to low-arousal neutral and positive words were examined in an event-related potentials (ERP) study. Reaction times to positive and high-arousal negative words were shorter than those to neutral (low-arousal) words, whereas those to low-arousal negative words were longer. A similar pattern was observed in an early time window of the ERP response: Both positive and high-arousal negative words elicited greater negative potentials in a time frame of 80 to 120 msec after stimulus onset. This result suggests that arousal has a differential impact on early lexical processing of positive and negative words. Source localization in the relevant time frame revealed that the arousal effect in negative words is likely to be localized in a left occipito-temporal region including the middle temporal and fusiform gyri. The ERP arousal effect appears to result from early lexico-semantic processing in high-arousal negative words.