News tagged with neuron activity

Related topics: brain

Study Shows Electrical Fields Influence Brain Activity

(PhysOrg.com) -- Most scientists have viewed electrical fields within the brain as the simple byproducts of neuronal activity. However, Yale scientists report in the July 15 issue of the journal Neuron that e ...

Medicine & Health / Neuroscience

created Jul 14, 2010 | popularity 4.5 / 5 (24) | comments 5 | with audio podcast

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

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

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

New microscope records firing of thousands of individual neurons in 3-D

(PhysOrg.com) -- Some disorders of the brain are obvious -- the massive death of brain cells after a stroke, the explosion in the growth of cells that marks a tumor. Other disorders, such as autism, schizophrenia ...

Medicine & Health / Medical research

created Jan 12, 2011 | popularity 5 / 5 (11) | comments 0 | with audio podcast

Neuroengineers silence brain cells with multiple colors of light

(PhysOrg.com) -- Neuroscientists at MIT have developed a powerful new class of tools to reversibly shut down brain activity using different colors of light. When targeted to specific neurons, these tools could ...

Medicine & Health / Neuroscience

created Jan 06, 2010 | popularity 4.5 / 5 (12) | comments 2 | with audio podcast

Site for alcohol's action in the brain discovered

Alcohol's inebriating effects are familiar to everyone. But the molecular details of alcohol's impact on brain activity remain a mystery. A new study by researchers at the Salk Institute for Biological Studies ...

Medicine & Health / Neuroscience

created Jun 28, 2009 | popularity 5 / 5 (10) | comments 1

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

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

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

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

A pacemaker for your brain

By stimulating certain areas of the brain, scientists can alleviate the effects of disorders such as depression or Parkinson's disease. That's the good news. But because controlling that stimulation currently lacks precision, ...

Medicine & Health / Neuroscience

created Jun 28, 2010 | popularity 5 / 5 (8) | comments 2 | with audio podcast

Key mechanism in the brain's computation of sound location identified

New York University researchers have identified a mechanism the brain uses to help process sound localization. Their findings, which appear in the latest edition of the journal PLoS Biology, focus on how the brain comput ...

Medicine & Health / Neuroscience

created Jun 29, 2010 | popularity 4.6 / 5 (8) | comments 0 | with audio podcast

MicroRNA expression and turnover are regulated by neural activity in the retina and brain

(PhysOrg.com) -- Scientists from the Friedrich Miescher Institute for Biomedical Research (FMI) found that microRNAs, small RNA regulators of gene expression, are up- and down-regulated in the retina during ...

Medicine & Health / Medical research

created May 17, 2010 | popularity 5 / 5 (7) | comments 2

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