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Sleep also seems to be the time when the brain’s two memory systems—the hippocampus(海马体) and the neocortex (新皮质)—"talk" with one other. Experiences that become memories are laid down first in the hippocampus, eliminating whatever is underneath. If a memory is to be retained, it must be shipped from the hippocampus to a place where it will endure—the neocortex, the wrinkled outer layer of the brain where higher thinking takes place. Unlike the hippocampus, the neocortex is a master at weaving the old with the new. And partly because it keeps incoming information at bay, sleep is the best time for the" undistracted" hippocampus to shuttle memories to the neocortex, and for the neocortex to link them to related memories. How can a piece of information become enduring memory in the brain
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Although it is made in America, BigBelly is reminiscent(使人想起) of a futuristic Japanese robot. Flashing lights indicate when it is full and needs to be emptied. Many are wireless. enabled, which effectively turns them into Twitterers—they transmit brief text messages to a centralized Web site to let owners know when compactors are full. Like many smart green products, they’re not cheap—and they’re much more expensive than the dumb product they’re hoping to dislodge. It costs about $ 80 a month to lease(长期租用) a BigBelly, or from $ 3,000 to $ 3,900 to purchase one, though those buying in bulk get a discount. How can BigBelly let his owner know that the compactor is full
[案例三十六] 患者，男，65岁。出现肌肉抽动、记忆力丧失、不认识家人3月来院就诊。患者自诉头疼头晕，乏力；神经检查体征有复视、眼震、轮替试验与指鼻试验不能，共济失调。脑电图检查显示：α波减少，出现Q波和δ波。脑脊液常规：无色、透明，12～24小时内不凝固。头颅CT见脑萎缩，脑池宽、脑回小。 目前对于该患者最有效的治疗措施为
Founded in 1949, the Fraunhofer Society is now Europe’s largest organization for applied technology, and has 59 institutes employing 12,000 people. It continues to grow. Last year it swallowed up the Heinrich Hertz institute for Communication Technology in Berlin. Today, there are seven Fraunhofers in the US and Asi
[案例三十] 患者，男性，40岁。罹患“精神分裂症”已半年，一直服用氯丙嗪治疗，期间基本能正常劳动，有时有多疑现象，目前维持剂量为200mg/d。家属反映：最近1月来患者言语明显减少，不愿外出活动，睡眠多，不时唉声叹气。 根据目前情况，门诊医生初步考虑：
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