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News tagged with stimuli

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How environmental effects regulate genes

Swiss researchers provide evidence that a protein in the cell nucleus responds to environmental stimuli like a kind of sensor, regulates genes accordingly and thus exchanges information with the cell memory. ...

Biology / Cell & Microbiology

created May 22, 2012 | popularity 5 / 5 (1) | comments 0

Research shows adult brains capable of rapid new growth

(PhysOrg.com) -- In a paper published in Proceedings of National Academy of Sciences, Veronica Kwok, Li-Hai Tan, and their colleagues at the University of Hong Kong, conclude that the adult human brain is cap ...

Medicine & Health / Neuroscience

created Apr 05, 2011 | popularity 4.4 / 5 (30) | comments 10 | with audio podcast report

Parts of brain can switch functions: study

(PhysOrg.com) -- When your brain encounters sensory stimuli, such as the scent of your morning coffee or the sound of a honking car, that input gets shuttled to the appropriate brain region for analysis. The ...

Medicine & Health / Neuroscience

created Feb 28, 2011 | popularity 4.7 / 5 (10) | comments 4 | with audio podcast

Remembering the future: Our brain saves energy by predicting what it will see

(PhysOrg.com) -- Researchers have discovered that the brain saves energy by predicting what it is likely to see. According to scientists in the Department of Psychology at the University of Glasgow in collaboration ...

Medicine & Health / Neuroscience

created Mar 24, 2010 | popularity 4.6 / 5 (25) | comments 10 | with audio podcast

Less pain for learning gain: Research offers a strategy to increase learning with less effort

(PhysOrg.com) -- Scientists long have recognized that many perceptual skills important for language comprehension and reading can be enhanced through practice. Now research from Northwestern University suggests a new way ...

Medicine & Health / Neuroscience

created Sep 22, 2010 | popularity 4.7 / 5 (19) | comments 6 | with audio podcast

Computer scientists form mathematical formulation of the brain's neural networks

As computer scientists this year celebrate the 100th anniversary of the birth of the mathematical genius Alan Turing, who set out the basis for digital computing in the 1930s to anticipate the electronic age, they still quest ...

Technology / Computer Sciences

created Apr 02, 2012 | popularity 4.2 / 5 (19) | comments 9 | with audio podcast

Oscillating gel acts like artificial skin, giving robots potential ability to 'feel'

Sooner than later, robots may have the ability to "feel." In a paper published online March 26 in Advanced Functional Materials, a team of researchers from the University of Pittsburgh and the Massachusetts Instit ...

Chemistry / Materials Science

created Mar 29, 2012 | popularity 5 / 5 (5) | comments 3 | with audio podcast

Multitasking is no problem for these brain cells: Individual brain cells can ID both cars and cats

(PhysOrg.com) -- Researchers at MIT's Picower Institute for Learning and Memory found that single brain cells, if confronted with a difficult task, can identify objects as dissimilar as sports cars and dogs.

Medicine & Health / Neuroscience

created Jun 09, 2010 | popularity 4 / 5 (4) | comments 3 | with audio podcast

Brain research shows past experience is invaluable for complex decision making

Researchers funded by the Biotechnology and Biological Sciences Research Council (BBSRC) have shown that past experience really does help when we have to make complex decisions based on uncertain or confusing information. ...

Medicine & Health / Neuroscience

created May 13, 2009 | popularity 3.7 / 5 (3) | comments 1

Switching senses: Biologists find that leeches shift the way they locate prey in adulthood

(PhysOrg.com) -- Many meat-eating animals have unique ways of hunting down a meal using their senses. To find a tasty treat, bats use echolocation, snakes rely on infrared vision, and owls take advantage of ...

Biology / Plants & Animals

created Nov 01, 2011 | popularity not rated yet | comments 0 | with audio podcast

Workhorse immune molecules lead secret lives in the brain

Molecules assumed to be in the exclusive employ of the immune system have been caught moonlighting in the brain - with a job description apparently quite distinct from their role in immunity.

Medicine & Health / Neuroscience

created Mar 30, 2009 | popularity 5 / 5 (3) | comments 0

How cigarettes calm you down

The calming neurological effects of nicotine have been demonstrated in a group of non-smokers during anger provocation. Researchers writing in BioMed Central's open access journal Behavioral and Brain Functions suggest that n ...

Medicine & Health / Medical research

created Apr 24, 2009 | popularity 4.8 / 5 (10) | comments 0

New medical, research tool possible by probing cell mechanics

(PhysOrg.com) -- Researchers are making progress in developing a system that measures the mechanical properties of living cells, a technology that could be used to diagnose human disease and better understand ...

Nanotechnology / Bio & Medicine

created Nov 21, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

How receptors talk to G proteins

(PhysOrg.com) -- The mechanism by which cells respond to stimuli and trigger hormonal responses, as well as the senses of sight, smell, and taste, has for the first time been brought into focus with the help ...

Chemistry / Biochemistry

created Aug 10, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Cocaine images capture motivated attention among users

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Brookhaven National Laboratory and Stony Brook University (SBU) have conducted the most comprehensive study to date of how cocaine users respond ...

Medicine & Health / Neuroscience

created Apr 04, 2011 | popularity not rated yet | comments 1 | with audio podcast