搜索结果: 16-30 共查到“国际动态 神经生物学其他学科”相关记录57条 . 查询时间(1.661 秒)
Scientists identify brain cells involved in Pavlovian response
Scientists brain cells Pavlovian response
2017/3/30
In his famous experiment, Russian scientist Ivan Pavlov rang a bell each time he fed his dogs. Soon, the dogs began drooling in anticipation when they heard the bell, even before food appeared.Now, a ...
Stanford scientists study Pavlovian conditioning in neural networks
Stanford scientists Pavlovian conditioning neural networks
2017/3/30
In the decades following the work by physiologist Ivan Pavlov and his famous salivating dogs, scientists have discovered how molecules and cells in the brain learn to associate two stimuli, like Pavlo...
Scientists optimize FRET-FLIM to study activity of two signaling molecules within a single dendritic spine
Scientists FRET-FLIM two signaling molecules single dendritic spine
2016/11/4
An ongoing challenge for scientists working to understand the brain is being able to see all its parts. Researchers have spent centuries developing better imaging techniques to see beyond the abilitie...
A New View of Brain Development:Scientists Uncover Striking Differences Between the Adult and Newborn Mouse Brain
Brain Development Scientists Striking Differences Adult Newborn Mouse Brain
2016/7/4
Columbia scientists have found that spikes in the activity of neurons in young mice do not spur corresponding boosts in blood flow — a discovery that stands in stark contrast to the adult mouse brain....
Odor Alternative
Odor Alternative
2016/6/12
Mammals have an exquisitely tuned sensory system that tells them whether they are smelling an orange or a rose. Like keys on a piano keyboard, each component of an odor blend strikes only one chord of...
入睡与醒来由神经通道调控
入睡 醒来 神经通道
2016/4/18
入睡和醒来这一生物钟转换的神经生物机制在很大程度上还是个谜。近日，美国马里兰大学医学院科学家宣布，发现了这一过程中的一条关键路径工作机理，首次从生物物理层面解释这一过程。研究集中在下丘脑部位的视交叉上核（SCN）区，这一区域充当着大脑的内部时钟，决定着人们何时想去睡觉、睡多长时间、何时醒来。他们专门研究了SCN区的BK通道（大电导钙离子激活钾通道），该通道在调控睡眠开关方面起着重要作用。
神经回路揭示哺乳动物夜视能力（图）
神经回路 哺乳动物 夜视能力
2016/4/7
一直以来，哺乳动物的颜色视觉被认为依赖于视网膜颜色感知视锥细胞的信号差异，但在光线昏暗时如何发生这一过程却不清楚。一项新研究发现，负责小鼠颜色视觉的神经回路或与视网膜中的视杆细胞和视锥细胞相关。在近日发表于《自然》的一项研究中，美国帕萨迪纳加州理工学院的Markus Meister和同事描述了在小鼠视网膜神经节细胞中发现的一种新型神经元回路。该类型的细胞对不同波长的光会产生“拮抗”反应，使视杆细胞...
You’re at a crowded party, noisy with multiple conversations, music and clinking glasses. But when someone behind you says your name, you hear it and quickly turn in that direction.The same sort of th...
Same Switches Program Taste and Smell in Fruit Flies
Same Switches Program Taste Smell Fruit Flies
2016/2/23
A new study sheds light on how fruit flies get their keen sense of smell.Duke University biologist Pelin Volkan and colleagues have identified a set of genetic control switches that interact early in ...
Genes for age-related cognitive decline found in adult worm neurons (Nature)
Genes age cognitive decline adult worm neurons
2015/12/22
Researchers from Princeton University have identified genes important for age-related cognitive declines in memory in adult worm neurons, which had not been studied previously. The research, published...
Biologists Discover Bacteria Communicate Like Neurons in the Brain
Biologists Bacteria Neurons the Brain
2015/11/12
Biologists at UC San Diego have discovered that bacteria—often viewed as lowly, solitary creatures—are actually quite sophisticated in their social interactions and communicate with one another throug...
Stem cell treatment lessens impairments caused by dementia with Lewy bodies
Stem cell treatment lessens impairments dementia with Lewy bodies
2015/11/12
Neural stem cells transplanted into damaged brain sites in mice dramatically improved both motor and cognitive impairments associated with dementia with Lewy bodies, according to University of Califor...
美发现保持神经活动稳定新机制
美国 神经科学 DNA
2015/5/19
最近，美国约翰·霍普金斯大学科学家领导的研究小组在《自然·神经科学》杂志上发表论文称，神经元会通过对DNA的小“手术”不断调节自身全天候的活动水平。这一发现有助于揭示神经科学中许多重要的问题。
中山大学与卡内基梅隆大学合作倡议脑研究计划
中山大学 卡内基梅隆大学 脑
2014/8/29
美国当地时间2014年8月26日上午，中山大学与美国卡内基梅隆大学合作倡议脑研究计划，并签署了相关框架协议，CMU校长Suresh、代理常务副校长Urban、国立精神卫生研究所所长Insel、中山大学副校长黎孟枫、Warwick大学数字健康研究所所长Behrmann、Fredkin大学机器学习系主任Mitchell. 以及各学科领域专家150多人出席了会议。
了解大脑的正常运作与功能紊乱是本世纪...
亚精胺可阻止老年痴呆症发病
亚精胺 老年痴呆症 德国
2013/9/3
与年龄有关的记忆能力下降或可通过天然物质亚精胺（spermidine）来阻止，这是德国和奥地利的科学家合作研究的结果。9月1日，该成果发表在《自然·神经科学》网络版上。