研究發(fā)現(xiàn)：讀好書可提升大腦功能

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　　據(jù)英國《獨立報》網(wǎng)站12月29日報道，一項最新研究結(jié)果顯示，讀完一本扣人心弦的小說之后，人的大腦會發(fā)生實際的、可監(jiān)測的積極生理變化，并且這一變化會持續(xù)至少5天。

　　這項研究由美國埃默里大學的研究人員設計并執(zhí)行，共有21名大學生參與了此次實驗，耗時19天。所有受試者都閱讀同樣的小說——2003年的恐怖小說《龐貝》。

　　研究發(fā)現(xiàn)，閱讀一本好書時，大腦中原本處于靜息狀態(tài)的連接性會變得活躍起來，并且還會在大腦左顳葉皮層產(chǎn)生一種與肌肉記憶類似的神經(jīng)變化。

　　Being pulled into the world of a gripping novel can trigger actual, measurable changes in the brain that linger for at least five days after reading, scientists have said.

　　The new research, carried out at Emory University in the US, found that reading a good book may cause heightened connectivity in the brain and neurological changes that persist in a similar way to muscle memory.

　　The changes were registered in the left temporal cortex, an area of the brain associated with receptivity for language, as well as the the primary sensory motor region of the brain.

　　Neurons of this region have been associated with tricking the mind into thinking it is doing something it is not, a phenomenon known as grounded cognition - for example, just thinking about running, can activate the neurons associated with the physical act of running.

　　“The neural changes that we found associated with physical sensation and movement systems suggest that reading a novel can transport you into the body of the protagonist,” said neuroscientist Professor Gregory Berns, lead author of the study.

　　“We already knew that good stories can put you in someone else’s shoes in a figurative sense. Now we’re seeing that something may also be happening biologically.”

　　21 students took part in the study, with all participants reading the same book - Pompeii, a 2003 thriller by Robert Harris, which was chosen for its page turning plot.

　　“The story follows a protagonist, who is outside the city of Pompeii and notices steam and strange things happening around the volcano,” said Prof Berns. “It depicts true events in a fictional and dramatic way. It was important to us that the book had a strong narrative line.”

　　Over 19 days the students read a portion of the book in the evening then had fMRI scans the following morning. Once the book was finished, their brains were scanned for five days after.

　　The neurological changes were found to have continued for all the five days after finishing, proving that the impact was not just an immediate reaction but has a lasting influence.

　　“Even though the participants were not actually reading the novel while they were in the scanner, they retained this heightened connectivity,” added Prof Berns. “We call that a ‘shadow activity,’ almost like a muscle memory.”

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