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We humans dont always make the best choices. But now a study in the journal Neuron demonstrates that maybe our brains do make the best possible decisionsbut only if its done unconsciously. Alex Pouget at the University of Rochester takes a look at un

发表于:2018-12-02 / 阅读(66) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. You probably remember exactly what you were doing when you first heard the news on 9/11. Thats because the brain has ways to file information so that thi

发表于:2018-12-24 / 阅读(55) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Senior citizens across the world love keeping their brains busy with crossword puzzles, sudoku or word jumbles. These brain-teasers actually help keep neurons firing

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(十)月

A friends four year old daughter recently complained to me about how badly her mosquito bite itched. She was about to burst into tears. The fact that an uncomfortable itchy sensation can drive many of us to distraction led many scientists to believe

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 Scientific American(八)月

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-08 / 阅读(53) / 评论(0) 分类 Scientific American(五)月

When you use your top-down attention to focus on something, your brain activates inhibitory mechanisms to block out competing stimuli. It can't do this forever, though; these mechanisms eventually tire just like the muscles in our body, and this lead

发表于:2019-02-11 / 阅读(27) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
accounting for discontinued operations
American Gothic
angular revolution frequency
authority frame identifier
band splitting
beat...away
bottom water level gauge
brand protection
calculating scale
carrier drop-out
cerebral agraphia
cheese curl
Chlordiazepoxidum
cold end effect
concurrent conditions
convertest
coupling yoke
cutis graft
degree of tannage
demagnetization factor
Earl Grey
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epsilon granules
ergosome
erudiate
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fatigue capability
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Gemarists
Gentiana siphonantha
geometric center line
george herbert walker bushes
have a think
heliophilic
HGC
Hypsistary
ifars
ignition-switch
intramicellar
ion-exchange material
iterative computation
joint raising
Kami-hiru-zen
lamp seat
Lappula platyacantha
Lasang
latitate
leblouh
lig. calcaneocuboideum plantare obliquum
lingual paralysis
link access protocol for isdn d-channel
Lisburn
lying awake
Lysimachia stellarioides
matusows
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MEIA
Metofurone
metrological guarantee
micro flaw
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mine workings
mingographs
Moscovians
mounted earth scoop
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not know A from from A to B
one shot hammer
patulin
phase control factor
practical obstetrics
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prickly heat powder
purine nucleosidase
Pyrethrum transiliense
recovery stability time
rectal adenoma polyposum
reinforced concrete vessel
retheming
right issue
robinette
rosenne
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sanitary chemical analysis of sewage
schenleys
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tastefully
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USB flash drive
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