News tagged with neuron activity

Related topics: brain

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

created Mar 27, 2011 | popularity 4.6 / 5 (7) | comments 1 | with audio podcast

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

created Feb 02, 2011 | popularity 4.9 / 5 (10) | comments 8 | with audio podcast

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

created Oct 24, 2010 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

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

created Oct 18, 2010 | popularity 4.8 / 5 (10) | comments 2 | with audio podcast

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

created Mar 24, 2010 | popularity 4.8 / 5 (13) | comments 0 | with audio podcast

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

created Mar 02, 2010 | popularity 4 / 5 (11) | comments 4 | with audio podcast report

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

created Feb 24, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast

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

created Jan 28, 2010 | popularity 4.8 / 5 (9) | comments 0 | with audio podcast

The thalamus, middleman of the brain, becomes a sensory conductor

Two new studies show that the thalamus--the small central brain structure often characterized as a mere pit-stop for sensory information on its way to the cortex--is heavily involved in sensory processing, and is an important ...

Medicine & Health / Neuroscience

created Dec 07, 2009 | popularity 3.7 / 5 (7) | comments 1

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

created Dec 04, 2009 | popularity 4.1 / 5 (7) | comments 0

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 ...

Technology / Engineering

created Oct 12, 2009 | popularity 4.2 / 5 (13) | comments 0

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

created May 01, 2009 | popularity 4.8 / 5 (16) | comments 2

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

created Mar 13, 2009 | popularity 5 / 5 (4) | comments 0

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

created Feb 12, 2009 | popularity 4.8 / 5 (6) | comments 0

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 ...

Biology / Plants & Animals

created May 16, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast