News tagged with neuroscientists
Related topics: brain , neurons , brain cells , memory , brain activity
Tiny wireless injectable LED device shines light on mouse brain, generating reward
Using a miniature electronic device implanted in the brain, scientists have tapped into the internal reward system of mice, prodding neurons to release dopamine, a chemical associated with pleasure.
Neuroscience
Apr 11, 2013 |
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Neuroscientists create phantom sensations in non-amputees
The sensation of having a physical body is not as self-evident as one might think. Almost everyone who has had an arm or leg amputated experiences a phantom limb: a vivid sensation that the missing limb is still present. ...
Neuroscience
Apr 11, 2013 |
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Optimal evidence accumulation in decision-making
(Medical Xpress)—At the same settings and light conditions, a camera will take the same picture every time. In contrast, a brain does not make perfect reconstructions of a stimulus. It appears instead to ...
Neuroscience
Apr 08, 2013 |
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Scientists discover how brains change with new skills
(Medical Xpress)—The phrase "practice makes perfect" has a neural basis in the brain. Researchers have discovered a set of common changes in the brain upon learning a new skill. They have essentially detected a neural marker ...
Neuroscience
Apr 05, 2013 |
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Do we always make better decisions when we take more time to think?
A study led by Zachary Mainen, Director of the Champalimaud Neuroscience Programme, and published today (March 28) in the scientific journal, Neuron, reports that when rats were challenged with a series of perceptual decisi ...
Neuroscience
Mar 28, 2013 |
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Acting out dreams linked to development of dementia, study finds
The strongest predictor of whether a man is developing dementia with Lewy bodies—the second most common form of dementia in the elderly—is whether he acts out his dreams while sleeping, Mayo Clinic researchers have discovered. ...
Neuroscience
Mar 21, 2013 |
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Brain mapping reveals neurological basis of decision-making in rats
Scientists at UC San Francisco have discovered how memory recall is linked to decision-making in rats, showing that measurable activity in one part of the brain occurs when rats in a maze are playing out memories that help ...
Neuroscience
Mar 20, 2013 |
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Difficulty in recognizing faces in autism linked to performance in a group of neurons
Neuroscientists at Georgetown University Medical Center (GUMC) have discovered a brain anomaly that explains why some people diagnosed with autism cannot easily recognize faces—a deficit linked to the impairments in social ...
Neuroscience
Mar 18, 2013 |
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Astrocyte signaling sheds light on stroke research
New research published in The Journal of Neuroscience suggests that modifying signals sent by astrocytes, our star-shaped brain cells, may help to limit the spread of damage after an ischemic brain stroke. The study in mic ...
Neuroscience
Mar 18, 2013 |
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Discovery could yield treatment for cocaine addicts
Scientists have discovered a molecular process in the brain triggered by cocaine use that could provide a target for treatments to prevent or reverse addiction to the drug.
Neuroscience
Mar 15, 2013 |
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Team aids discovery of first dystonia gene found in African-Americans
A pair of studies tells the tale of how a neuroscientist at Mayo Clinic in Florida helped to discover the first African-American family to have inherited the rare movement disorder dystonia, which causes repetitive muscle ...
Genetics
Mar 07, 2013 |
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Even mild traumatic brain injuries can kill brain tissue, study finds
Scientists have watched a mild traumatic brain injury play out in the living brain, prompting swelling that reduces blood flow and connections between neurons to die.
Neuroscience
Mar 07, 2013 |
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Focus, analyze, and take time to grow your brainpower, expert advises
Want to make your brain smarter? Slow down and dig deeper, advises Dr. Sandra Bond Chapman, a neuroscientist who has spent nearly 30 years studying this question.
Neuroscience
Mar 06, 2013 |
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Mental picture of others can be seen using fMRI, new study finds
It is possible to tell who a person is thinking about by analyzing images of his or her brain. Our mental models of people produce unique patterns of brain activation, which can be detected using advanced imaging techniques ...
Neuroscience
Mar 05, 2013 |
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Dartmouth neuroscientist finds free will has neural basis
A new theory of brain function by Peter Ulric Tse, a professor of cognitive neuroscience at Dartmouth College, suggests that free will is real and has a biophysical basis in the microscopic workings of our brain cells.
Neuroscience
Mar 01, 2013 |
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