생각이 잘 안 날 땐? 일단 눈부터 감으세요 New study finds that closing your eyes boosts memory recall

英 연구진

“눈 감고 기억 떠올리면 23% 더 정확”

 

surrey.ac.uk

케이콘텐츠 kcontents

 

지나간 일을 기억해낼 때는 눈을 감는 편이 더 유리하다는 연구 결과가 나왔다.   로버트 내시 영국 서리대 심리학과 박사팀은 눈을 떴을 때보다 감았을 때 과거의 시청각 정보를 더 정확히 기억해낼 수 있다는 내용의 연구보고서를 영국심리학회가 발행하는 학술지 ‘법과 범죄심리(Legal and Criminological Psychology)’ 15일자에 발표했다. 연구팀은 실험 참가자 178명에게 영화를 보여줬다. 이 영화는 부잣집을 찾아간 전기기사가 물건을 훔치는 내용이었다. 영화 관람이 끝난 뒤 연구팀은 참가자에게 영화의 장면을 정확히 기억하고 있어야만 답할 수 있는 질문 17가지를 던졌다. 가령 영화에 등장한 승합차에 어떤 문구가 인쇄돼 있었는가 하는 식이다. 연구팀은 참가자가 눈을 감고 기억을 떠올려 대답하는지, 눈을 뜬 상태로 대답하는지에 따라 기억의 정확도를 분석했다. 그 결과 눈을 감았을 때가 떴을 때보다 23% 더 정확한 것으로 조사됐다. 또 눈을 감으면 시각 정보뿐 아니라 청각 정보도 더 정확히 기억해내는 것으로 확인됐다. 연구팀이 범죄 현장을 목격한 사람들에게 눈을 감고 당시 상황을 설명해 달라고 요청하자 이들은 당시 현장에서 오고간 대화 내용까지 구체적으로 기억해냈다. 목격자들이 눈을 뜬 상태에서는 대화 내용을 기억하지 못했다. 내시 박사는 “눈을 감으면 주변의 시각 정보가 차단되면서 뇌의 집중력이 높아지고 이에 따라 기억력도 향상된다”면서 “친밀한 사이일수록 기억을 더 잘 떠 올린다”고 말했다. 동아사이언스 이우상 기자 idol@donga.com

 

In a new study, published today in the journal Legal and Criminology

Psychology, researchers from the University of Surrey have found

further evidence to suggest that eyewitnesses to crimes remember

more accurate details when they close their eyes.

The team also discovered that building a rapport with witnesses helped them to remember more.   178 participants took part across two studies. In the first experiment, participants watched a film depicting an electrician entering a property, carrying out jobs and stealing items. Each participant was then randomly assigned one of four conditions, either eyes closed or open, and having built up a rapport with the interviewer or not.  They were then asked a series of questions about the film, such as, “What was written on the front of the van?”   The team found that closing their eyes led participants to answer 23 per cent more of the questions correctly. Building rapport also increased the number of correct answers, however, closing their eyes was effective regardless of whether rapport had been built or not.   The second experiment took the memory task one step further, by asking witnesses about things they had heard, as well as things they had seen. This time, participants watched a clip from Crimewatch, showing a reconstruction of a burglary where an elderly man was attacked in his home.   Results showed that closing their eyes helped participants recall both audio and visual details, both when they had built rapport and when they had not.   Across both experiments, participants who did not build rapport said they felt less comfortable when they closed their eyes, compared to when they kept their eyes open. In contrast, participants who built rapport felt more comfortable when they closed their eyes.   “It is clear from our research that closing the eyes and building rapport helps with witness recall,” said lead author Dr Robert Nash, from the University of Surrey.   “Although closing your eyes to remember seems to work whether or not rapport has been built beforehand, our results show that building rapport makes witnesses more at ease with closing their eyes. That in itself is vital if we are to encourage witnesses to use this helpful technique during interviews.”   http://www.surrey.ac.uk/features/new-study-finds-closing-your-eyes-boosts-memory-recall

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