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今天小編為大家?guī)?lái)一片托福閱讀背景素材文章：如何保持好記憶?希望能幫助托?？忌脗鋺?zhàn)考試。
Being in a good mood decreases the brain's working memory， US researchers say.
“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.”
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. 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.
The study， published in the journal Cognition and Emotion， found those who watched the comedy routine performed significantly worse on the task.
美國(guó)研究人員稱，好心情可能會(huì)降低大腦的工作記憶(屬程序性記憶、短時(shí)記憶，是一種短暫時(shí)刻的知覺(jué))能力。
“這就能解釋為什么明明在派對(duì)上玩得很開(kāi)心，卻記不住從派對(duì)上得到的電話號(hào)碼，”密蘇里大學(xué)心理學(xué)博士伊麗莎白馬丁在一份報(bào)告中指出?！霸撗芯渴状握f(shuō)明，積極情緒有損于工作記憶容量?！?/span>
研究人員在受試者觀看視頻片段前后對(duì)其情緒進(jìn)行了測(cè)量。其中一部分受試者所看的是輕松喜劇節(jié)目，另一些人所看的視頻則關(guān)于如何鋪地板。
那些看了喜劇的受試者觀后情緒更佳，而“地板視頻”受試者觀前觀后情緒并無(wú)波動(dòng)。兩組都接受了記憶測(cè)試。
此項(xiàng)刊登于《認(rèn)知與情感》雜志的研究發(fā)現(xiàn)，觀看了喜劇的受試者在記憶測(cè)試中表現(xiàn)明顯差于另一組受試者。
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