News tagged with neuron activity
Related topics: brain
How the worm knows where its nose is
For decades, scientists have studied Caenorhabditis elegans – tiny, transparent worms – to glean clues about how neurons develop and function. A new Harvard study suggests that the worms' nervous system is much m ...
May 16, 2012 |
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Advanced technology reveals activity of single neurons during seizures
The first study to examine the activity of hundreds of individual human brain cells during seizures has found that seizures begin with extremely diverse neuronal activity, contrary to the classic view that they are characterized ...
Medicine & Health / Neuroscience
Mar 27, 2011 |
4.6 / 5 (7) |
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Neurons work like a chain of dominos to control action sequences (w/ Video)
(PhysOrg.com) -- As anyone who as ever picked up a guitar or a tennis racket knows, precise timing is often an essential part of performing complex tasks. Now, by studying the brain circuits that control bird song, MIT researchers ...
Medicine & Health / Neuroscience
Oct 24, 2010 |
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Researchers discover why cocaine is so addictive
Mount Sinai researchers have discovered how cocaine corrupts the brain and becomes addictive. These findings -- the first to connect activation of specific neurons to alterations in cocaine reward -- were published in Science on Oct ...
Medicine & Health / Medical research
Oct 18, 2010 |
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Why you are not thirsty while sleeping
(PhysOrg.com) -- New research suggests the body's internal clock is what prevents you from becoming dehydrated and needing to drink during sleep.
Medicine & Health / Neuroscience
Mar 02, 2010 |
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Neurobiologists find that weak electrical fields in the brain help neurons fire together
The brain -- awake and sleeping -- is awash in electrical activity, and not just from the individual pings of single neurons communicating with each other. In fact, the brain is enveloped in countless overlapping ...
Medicine & Health / Neuroscience
Feb 02, 2011 |
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A change of mind: One protein appears to control neurons' ability to react to new experiences
(PhysOrg.com) -- Plasticity -- the brain's ability to change in response to external input -- is critical for most cognitive functions, including learning and memory. Those changes usually involve a strengthening ...
Medicine & Health / Neuroscience
Mar 24, 2010 |
4.8 / 5 (13) |
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Video camera that records at the speed of thought
(PhysOrg.com) -- European researchers who created an ultra-fast, extremely high-resolution video camera have enabled dozens of medical applications, including one scenario that can record 'thought' processes travelling along ...
Oct 12, 2009 |
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Brain implant reveals the neural patterns of attention
A paralyzed patient implanted with a brain-computer interface device has allowed scientists to determine the relationship between brain waves and attention.
Medicine & Health / Neuroscience
Feb 24, 2010 |
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Uncorrelated activity in the brain
Interconnected networks of neurons process information and give rise to perception by communicating with one another via small electrical impulses known as action potentials. In the past, scientists believed that adjacent ...
Medicine & Health / Neuroscience
Jan 28, 2010 |
4.8 / 5 (9) |
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Molecular path from internal clock to cells controlling rest and activity revealed in new study
(PhysOrg.com) -- The molecular pathway that carries time-of-day signals from the body's internal clock to ultimately guide daily behavior is like a black box, says Amita Sehgal, PhD, the John Herr Musser Professor ...
Feb 07, 2012 |
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A Single Neuron Can Change the Activity of the Whole Brain
(PhysOrg.com) -- The pulsing of a single neuron can switch a brain’s waves from the equivalent of a big ocean swell to ripples on a pond, according to new research from Howard Hughes Medical Institute investigator ...
Medicine & Health / Neuroscience
May 01, 2009 |
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Involuntary maybe, but certainly not random
Our eyes are in constant motion. Even when we attempt to stare straight at a stationary target, our eyes jump and jiggle imperceptibly. Although these unconscious flicks, also known as microsaccades, had long ...
Medicine & Health / Medical research
Feb 12, 2009 |
4.8 / 5 (6) |
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Researchers find that the unexpected is a key to human learning
The human brain's sensitivity to unexpected outcomes plays a fundamental role in the ability to adapt and learn new behaviors, according to a new study by a team of psychologists and neuroscientists from the University of ...
Medicine & Health / Psychology & Psychiatry
Mar 13, 2009 |
5 / 5 (4) |
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How to read brain activity?
(PhysOrg.com) -- For the very first time, scientists show what EEG can really tell us about how the brain functions.
Medicine & Health / Neuroscience
Dec 04, 2009 |
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