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上海复旦大学附属中山医院整形九院做双眼皮开眼角手术价格Video games, long maligned for promoting violence, may also have a good side: improving eyesight. Gory ;first-person shooter; games, in which players must act quickly to kill their virtual opponents, seem to have lasting effects on a key aspect of vision, a new study shows.长期以来,视频游戏由于助长暴力而声名狼藉。然而,或许视频游戏也有其积极的一面:可以提高视力。一项新研究显示:在血淋淋的“第一人称射击”类游戏中,玩家必须反应迅速才能杀死他们的虚拟对手,这似乎对于视力的一个主要方面有着持续的积极影响。In 2002, Daphne Bavelier, a cognitive neuroscientist at the University of Rochester in New York state, found that playing action games improved visual attention skills (ScienceNOW, 18 April 2002). This time she compared avid gamers with nongamers on a type of visual perception called contrast sensitivity. It allows people to make out objects in dim lighting and to distinguish objects from a busy background.2002年,纽约州罗彻斯特大学的认知神经科学专家达芙妮·贝弗利尔发现,玩视频战斗游戏可以提高视觉注意力。这次她将贪玩游戏的人和不玩游戏的人进行了对比,比较了一种被称为“对比敏感度”的视觉指标。对比敏感度可以使人们辨认出暗淡光线中的物体,还可以使人们能够从忙乱的背景中区分物体。Male gamers in their late teens and 20s, Bavelier found in a pilot study, performed significantly better than nongamers in the same demographic. To determine whether games explained this difference, she and colleagues designed a game boot camp in which 50 adult volunteers each played 50 hours of games over a 9-week period. Half of the participants played two first-person-shooter action games, Unreal Tournament and Call of Duty 2, in which players must quickly detect and kill enemies to avoid being killed themselves. Meanwhile, the control group played The Sims 2, a ;casual; simulation game that requires a great deal of observation and strategy but at a very leisurely pace. The subjects were tested for contrast sensitivity before and after the training.在一项初步研究中,贝弗利尔发现:十大几岁和20多岁的男性玩家比同一年龄段不玩游戏的男性在对比敏感度方面的表现要好得多。为了确定是否视频游戏造成了这种差别,贝弗利尔和同事设计了一个“视频游戏集中训练营”,训练营里的50个成年志愿者在9周的时间里每人玩50个小时的视频游戏。其中一半参与者玩两种“第一人称射击”类战斗游戏——“虚幻竞技场”和“使命召唤2”,在这两种游戏中,玩家必须迅速地侦查出敌人并将其杀掉,才能避免自己遭到杀害;同时另外一半参与者玩一种叫做“模拟人生2”的游戏,该游戏是一种“随意的”模拟游戏,玩时需要大量的观察,并且需要讲究策略,但是可以以缓慢的速度进行。在训练之前和之后,为参与者测试了对比敏感度。Those who played the action games showed a roughly 50% improvement in performance on the contrast-sensitivity test, whereas the control group showed no significant improvement, the team reports this week in Nature Neuroscience. Later testing of 18 of the subjects showed that the improvement had not disappeared after several months--even though these subjects said they had not changed their game habits. Bavelier chalks up the change to ;neural plasticity ;--the ability of our brains to rewire themselves to more efficiently visually process the life-or-death scenes in action games.研究小组在本周出版的《自然-神经学》(Nature Neuroscience)杂志上报道:在对比敏感度测试中,那些玩视频战斗游戏的人成绩提高了大约50%,而对照组则根本没有明显的提高。后来,对其中18个受试者的进一步测试显示:即使他们声称并没有改变自己的视频游戏习惯,但是对比敏感度的提高在几个月之后仍未消失。贝弗利尔将这种提高归因于“神经可塑性”——大脑神经本身一种重新连接的能力,这种能力可以使人们在视觉上更为高效地处理视频战斗游戏中那些生死攸关的场面。;The results are convincing, ; says Dennis Levi, dean of the School of Optometry at the University of California, Berkeley. ;While we don#39;t yet understand how playing action games enhances visual processing, the very promising aspect of this is that it may provide a new method for treating patients.; People with amblyopia --or ;lazy eye;--suffer a severe loss of contrast sensitivity, and a regimen of action games could complement other treatments, Levi says. The next step will be to test action games that do not involve guns and mayhem.“这些研究结果很令人信,”加州大学伯克利分校视光学院院长丹尼斯·利瓦伊说,“虽说我们还不明白视频战斗游戏是如何提高视觉处理能力的,但该研究非常有前途的一个方面是它可以为病人提供新的治疗方法。”利瓦伊指出:患有弱视的人们,其对比敏感度严重缺失,接受正规的视频战斗游戏训练可以作为其他治疗方案的补充。下一步将要对不涉及和严重伤害的视频打斗游戏进行测试。 /201304/236115九院治疗疤痕多少钱 Germans have a word for it -- schadenfreude -- and when it comes to getting pleasure from someone else's misfortune, men seem to enjoy it more than women. Such is the conclusion reached by scientists at University College London in what they say is the first neuroscientific(1) evidence of schadenfreude.Using brain-imaging techniques, they compared how men and women reacted when watching other people suffer pain.If the sufferer was someone they liked, areas of the brain linked to empathy and pain were activated in both sexes. To those they disliked women had a similar response, but men showed a surge(2) in the reward areas of the brain."The women had a diminished(3) empathic response(4)," said Dr Stephan, a co-author of the report. "But it was still there, whereas in the men it was completely absent(5)."The scientists said the research shows that empathic responses in men are shaped by the perceived fairness of others." Empathic responses to other people are not automatic, as has been assumed in the past, but depend on the emotional link to the person who is observed suffering," Stephan said.In the two-part study, 32 men and women volunteers played a game in which they exchanged money with four other people who were actors playing a part. The actors were either fair(6) characters, who returned equal amounts of cash that have been given to them, or unfair people who gave little or no money back to the volunteers.In the second part of the experiment, the volunteers were placed in magnetic(7) imaging brain scanners(8) as they watched the actors receiving a mild(9) electric shock, similar to a bee sting. The scientists measured reactions of the volunteers in areas of the brain associated with pain and empathy and reward while the actors experienced pain.The responses shown in the brain images were backed up with questionnaires(10) filled in by the volunteers. Men admitted to having a much higher desire for revenge than women and derived(11) satisfaction from seeing the unfair person being punished."We will need to confirm these gender(12) differences in larger studies because it is possible the experimental design favoured(13) men as there was a physical rather than psychological or financial threat involved," said Dr Tania Singer, who led the study. 德语中有一个词专用于形容幸灾乐祸:“schadenfreude”。伦敦尤尼弗斯特大学科学家从神经学方面实:男性比女性更容易幸灾乐祸。科学家们利用脑电波成像技术比较男性和女性在看到别人受苦时的脑部反应。如果受难者是他们喜欢的人,男女脑中负责同情和痛苦区域的反应同样活跃。如果受难者是他们反感的人,女人的反应没有太大变化,但是男人脑中的奖赏区域的反应却十分剧烈报告合作作者斯戴芬士说:“女性的移情反应有所减弱,至少还有,但是男性的根本就消失了。”科学家们说研究表明,男性是否会产生移情反应取决于他人是否曾善待他。斯戴芬说,同情并非如我们曾经认为的那样是自发的,而是取决于受难者与自己的情感关系。这项研究分成两个步骤,共有32个志愿者参加。首先每个志愿者与4个工作人员换钱。有的“正直”的工作人员交还了同样数量的钱,但其他“不正直”的人要么只还一点要么干脆不还。第二部分中,志愿者们戴着电磁脑部扫描设备观看工作人员遭受轻度的电击(像被蜜蜂蜇了一下)。同时,科学家们记录下他们脑部有关同情、痛苦和回报区域的活动情况。科学家们同时记录下他们脑部有关同情、痛感和回报的区域的活动情况。志愿者们在调查问卷中的回答也进一步实了脑部扫描结果的准确性。男性志愿者承认他们有更强的报复心理,看到对他们不公正的人受苦能获得满足感。坦尼亚辛格·士说:“科学家们认为仍需要进行更大规模的研究来验这一性别差异。因为此次试验主要针对生理的威胁,而不是心理或财务危机,可能会导致男性反应比女性剧烈。” /200804/36984上海公立整形医院有哪些

上海市第六人民医院 修眉多少钱上海复旦大学附属闵行医院韩式三点双眼皮多少钱 上海第九人民医院祛痘多少钱

杨浦区无痕丰胸手术费用places   词语 English American  公寓 flat apartment  诊所 surgery doctor‘s office  电梯 lift elevator  走廊 passage hall, hallway  邮筒 pillar box mailbox  电影院 cinema movies  单间公寓 bed-sitter studio  立交桥 flyover overpass  高速公路 motorway parkway  人行横道 zebra crossing pedestrian crossing  商店 shop store  地铁 tube, underground subway  厕所 lavatory toilet (bathroom)  庭院 garden yard   Useful Objects  电筒 torch flashlight  垃圾箱 dustbin garbage can, trash can  包裹 parcel package  购物袋 carrier bag shopping bag  炉 cooker stove   Food  罐头 tin can  糖果 sweets candy  甜点心 biscuit (sweet) cookie  油炸土豆条 chips French fries  油炸土豆片 crisps potato chips  蔬菜水果店 greengrocer‘s fruit and vegetable store   Personal Items  (发式)刘海 fringe bangs  长裤 trousers pants  紧身裤 tights pantyhose  雨衣 mac (mackintosh) raincoat  裤子背带 braces suspenders  高领绒衣 poloneck turtleneck  背心 waistcoat vest  汗衫 vest undershirt   People  研究生 postgraduate student graduate student  家伙,小伙子 chap, fellow guy  巡警 constable patrolman  警察(俚) bobby cop, policeman  售货员 shop assistant salesperson (-girl, -man)   Car Parts  挡风玻璃 windscreen windshield  轮胎 tyre tire  挡泥板 wing fender  指示灯 indicator light left/ right-turn light  侧视镜 wing mirror side-view mirror  牌照号码 registration number license number  牌照 number plate license plate  油箱 petrol tank gas tank  消声器 silencer muffler /200803/29059 谁是我的“梦中”情人?A British man has met and married a 22-year-old woman after, by his own account, dreaming of her phone number and then sending her a text message.David Brown, 24, says he woke up one morning after a night out with friends with a telephone number constantly running through his head. He decided to contact it, sending a message saying "Did I meet you last night?"Random recipient Michelle Kitson was confused and wary at first but decided to reply and the two began exchanging messages. Eventually they met and fell in love."It was really weird but I was absolutely hooked," Kitson told the Daily Mail newspaper. "My mum and dad kept saying 'But he could be an axe murderer', but I knew there was something special about it.""I believe that things happen for a reason. There is no way someone could have said my number in the pub, but he had that number in his head."I know some people will find it hard to believe, but we know the truth."After a long courtship, the oddly matched couple have just returned from their honeymoon in the Indian resort of Goa.A love-struck Brown said: "I've no idea how I ended up with her number in my head -- it's only a few digits different from mine."As for the wedding day, the bride said: "It was fantastic, we couldn't have wished for a better day. 根据一个英国小伙的自述,他先是梦到一个电话号码,然后给这个号码发了一个短信,后来他和这个号码的主人--一个22岁的女孩相识、最后成婚。24岁的大卫·布朗说,一天晚上他和朋友出去玩,第二天早上醒来后脑子里就不停地出现一个电话号码。他决定跟这个号码的主人联系一下,于是就发了一条短信“昨晚我们见过面吗?”意外收到这条短信的米歇尔·凯特森一开始觉得很奇怪,而且很警惕,但最后她还是决定回复一下。于是两人开始互相发短信聊天,最后两人见面、并坠入爱河。凯特森在接受《每日邮报》的采访时说,“这件事确实很奇怪,但我完全陷进去了。我爸妈一直提醒我他会不会是个连环杀人犯,但我知道这件事有些特别。"“我相信任何事情的发生都有原因。那天不可能有人会在酒吧里说我的电话号码,但他竟然梦见了我的号码。”“我知道有的人一定觉得这难以置信,但我们俩知道这到底是怎么回事。”经历了一段爱情长跑后,这对奇特的恋人终成眷属,日前他们刚从印度旅游胜地果阿度蜜月归来。沉醉在甜蜜爱情中的布朗说:“我也不知道脑子里怎么会出现她的号码--那只是一串和我的电话号码不一样的数字。”谈到结婚当天,新娘说:“那一天很美好,我们觉得这是一生中最美好的一天。” /200803/32581上海公立三甲医院整形中心上海臀部吸脂价格

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