搜索结果: 1-15 共查到“理学 brain”相关记录201条 . 查询时间(0.359 秒)
New method tracking changes in blood vessels could advance brain disease detection（图）
血管变化 脑部疾病 成像技术 神经退行性疾病
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2023/6/26
A new imaging technique opens a path toward long-term study of blood vessels in aging brains and could help predict neurodegenerative diseases decades before symptoms begin.
3 Questions: Sara Prescott on the brain-body connection（图）
脑体联系 感觉输入 动物生理学
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2023/6/5
Many of our body’s most important functions occur without our conscious knowledge, such as digestion, heartbeat, and breathing. These vital functions depend on the signals generated by the “interocept...
Researchers map brain cell changes in Alzheimer’s disease（图）
阿尔茨海默病 脑细胞 淀粉样斑块 tau缠结 基因表达
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2023/6/7
The following press release was issued today by the Broad Institute of MIT and Harvard.
Minimally invasive method tracks how the brain spends energy（图）
微创方法 大脑 氧气消耗代谢
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2023/7/7
Our brains are charged with the task of directing most of the processes needed for our bodies to function. As such, they consume roughly 20% of our body’s metabolic energy, even while we’re resting.
Alzheimer’s risk gene undermines insulation of brain’s “wiring”（图）
阿尔茨海默氏症 风险基因 APOE4 脑细胞 隔离神经元
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2023/6/21
It’s well-known that carrying one copy of the APOE4 gene variant increases one’s risk for Alzheimer’s disease threefold and two copies about tenfold, but the fundamental reasons why, and what can be d...
Solving brain dynamics gives rise to flexible machine-learning models（图）
大脑动力学 机器学习 微分方程
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2023/6/20
Last year, MIT researchers announced that they had built “liquid” neural networks, inspired by the brains of small species: a class of flexible, robust machine learning models that learn on the job an...
Microscopy reveals how psychedelics light up brain’s neuropathways（图）
显微镜 迷幻药 大脑 神经通路
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2023/5/19
What a long, strange trip it’s been for psychedelic drugs. From their use in ancient indigenous ceremonies, to their often-caricatured association with the 1960s counterculture, to their recent reemer...
A tour of the brain’s life span, complete with upside-down vision（图）
大脑 神经元 生物超级计算机
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2023/6/21
This is a coming-of-age story — involving your brain.
A single memory is stored across many connected brain regions（图）
内存存储 大脑区域 神经元集合
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2023/6/5
A new study by scientists at The Picower Institute for Learning and Memory at MIT provides the most comprehensive and rigorous evidence yet that the mammalian brain stores a single memory across a wid...
Social connections influence brain structure of rhesus macaques（图）
恒河猴 社会关系 大脑结构
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2023/7/11
What’s the link between social life and brain structure? Researchers from the University of Pennsylvania, the Stem Cell and Brain Research Institute at Inserm, and elsewhere are now one step closer to...
暨南大学粤港澳中枢神经再生研究院周立兵和曲宜波团队在Brain发表神经再生新成果（图）
暨南大学 生物医学 神经再生
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2024/3/26
近日，暨南大学粤港澳中枢神经再生研究院周立兵和曲宜波团队在国际著名期刊Brain（IF=13.501）发表题为“Inactivating Celsr2 promotes motor axon fasciculation and regeneration in mouse and human”研究论文。本研究首次报道神经发育相关基因Celsr2调控脊髓运动神经元轴突再生，其作用在小鼠和人神经组织中具...
A new atlas of cells that carry blood to the brain（图）
血液 大脑 新细胞图谱 脑血管细胞
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2023/6/20
While neurons and glial cells are by far the most numerous cells in the brain, many other types of cells play important roles. Among those are cerebrovascular cells, which form the blood vessels that ...
Understanding optimal resource allocation in the brain（图）
大脑 感官知觉效率 脑神经
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2023/7/12
The human brain uses more energy than any other organ in the body, requiring as much as 20% of the body’s total energy. While this may sound like a lot, the amount of energy would be even higher if th...
New poo, new you? Fecal transplants reverse signs of brain aging in mice
fecal transplant brain aging health
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2021/8/10
As you age, your brain slows down. You may forget where you left your glasses or have trouble picking up a new skill. Now there’s hope from rodent experiments that some of these declines could be reve...
Mice licking could reveal mysteries of the human brain
老鼠 舔舐 人脑
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2023/5/24
Every time we reach for a cup, our brains must assess our hands’ current position in relation to the mug and then command muscles to make the proper adjustments to successfully grab the handle.