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Being in a good mood decreases the brain's working memory, US researchers say.
美国研究人员称，好心情可能会降低大脑的工作记忆(属程序性记忆、短时记忆，是一种短暂时刻的知觉)能力。
“This explains why you might not be able to remember a phone number you get at a party when you are having a good time,” Elizabeth Martin, a doctoral student of psychology at the University of Missouri, says in a statement. “This research is the first to show that positive mood can negatively impact working memory storage capacity.”
“这就能解释为什么明明在派对上玩得很开心，却记不住从派对上得到的电话号码，”密苏里大学心理学博士伊丽莎白马丁在一份报告中指出。“该研究首次说明，积极情绪有损于工作记忆容量。”
The researchers gauged study participants'mood before and after showing them a video clip - some saw a bit of a stand-up comedy routine, while others saw a video on how to install flooring.
研究人员在受试者观看视频片段前后对其情绪进行了测量。其中一部分受试者所看的是轻松喜剧节目，另一些人所看的视频则关于如何铺地板。
Those who viewed the comedy routine were in significantly better moods after viewing the video, while the mood of flooring group had not changed. Both groups were then given a memory test.
那些看了喜剧的受试者观后情绪更佳，而“地板视频”受试者观前观后情绪并无波动。两组都接受了记忆测试。
The study, published in the journal Cognition and Emotion, found those who watched the comedy routine performed significantly worse on the task.
此项刊登于《认知与情感》杂志的研究发现，观看了喜剧的受试者在记忆测试中表现明显差于另一组受试者。