Memory can be improved simply by clenching the fists, a study suggests. Clenching the right hand for 90 seconds helps in memory formation, while the same movement in the left improves memory recall, say US psychologists.
研究顯示，只要握緊拳頭即可改善記憶力。美國精神學家說，握緊右手90秒，有助於記憶形成，握緊左拳則可提升召喚記憶的效果。
In an experiment, 50 adults performed better at remembering words from a long list when they carried out these movements.
在一份實驗中，50名成人做這些動作時，記憶一份長串清單中的單字的表現較好。
The researchers think clenching a fist activates specific brain regions that are associated with memory processing. Lead scientist Ruth Propper, of Montclair State University, Montclair, New Jersey, said the research suggests simple body movements can improve memory by temporarily changing the way the brain functions.
研究人員認為，握緊拳頭活化大腦中與記憶力處理相關的特定區塊。主持科學家、新澤西州蒙特克萊爾州立大學的普拉波說，這份研究顯示，簡單的身體動作可暫時改變大腦運作的方式，提升記憶力。
Clenching your right hand immediately prior to learning information and clenching your left hand immediately before recalling it would be helpful to improve memory, Dr Propper told BBC News.
普拉波告訴「英國廣播公司新聞網」，在正要學習資訊前握緊右手，要回想事情前握緊左手，有助於改善記憶力。
新聞辭典
clench：動詞，抓緊、緊咬。例句：With a knife clenched between his teeth, he climbed up the tree to cut some coconuts.（他把刀緊咬在牙齒間，爬上樹去砍些椰子。）
improve：動詞，改善、提升。例句：I thought the best way to improve my French was to live in France.（我認為要提升我的法文，最好的方法就是住在法國。）
recall：動詞，回想。例句：Can you recall what happened last night?（你能想起昨晚發生什麼事情嗎？）
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