News tagged with neuronal circuit

Smelling the light: 'What if we make the nose act like a retina?'

(PhysOrg.com) -- Harvard University neurobiologists have created mice that can "smell" light, providing a potent new tool that could help researchers better understand the neural basis of olfaction.

Medicine & Health / Neuroscience

created Oct 17, 2010 | popularity 4.7 / 5 (15) | comments 4 | with audio podcast

Researchers gain better understanding of mechanism behind tau spreading in the brain

Researchers at Mount Sinai School of Medicine have gained insight into the mechanism by which a pathological brain protein called tau contributes to the progression of Alzheimer's disease (AD) and other neurodegenerative ...

Chemistry / Biochemistry

created May 02, 2012 | popularity not rated yet | comments 1 | 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

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

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

Web-crawling the brain

The brain is a black box. A complex circuitry of neurons fires information through channels, much like the inner workings of a computer chip. But while computer processors are regimented with the deft economy of an assembly ...

Medicine & Health / Neuroscience

created Mar 09, 2011 | popularity 4.4 / 5 (9) | comments 4 | with audio podcast

Research defines neurons that control sociability in worms

(PhysOrg.com) -- Ants colonize. Fish shoal. Flamingos flock and caribou herd. Earth is populated by inherently social beings. Even lowly worms seek out the benefits of companionship. New research at The Rockefeller ...

Medicine & Health / Neuroscience

created Apr 10, 2009 | popularity 4.3 / 5 (4) | comments 0

Illuminating the brain: Technique stimulates brain cells, reveals how those neurons influence the rest

There are about 100 billion neurons in the human brain, and each one belongs to elaborate networks that control our behavior, thoughts and emotions. A message from a single neuron can have far-reaching consequences ...

Medicine & Health / Neuroscience

created Jan 28, 2011 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

Zebrafish yield clues to how we process visual information

(PhysOrg.com) -- To a hungry fish on the prowl, the split-second neural processing required to see, track, and gobble up a darting flash of prey is a matter of survival.

Medicine & Health / Neuroscience

created Oct 30, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Brain cells determine obesity -- not lack of willpower: study

An international study has discovered the reason why some people who eat a high-fat diet remain slim, yet others pile on the weight.

Medicine & Health / Medical research

created Sep 08, 2010 | popularity 3.9 / 5 (11) | comments 16 | with audio podcast

Unlocking the secret(ase) of building neural circuits

Mutant presenilin is infamous for its role in the most aggressive form of Alzheimer's disease -- early-onset familial Alzheimer's -- which can strike people as early as their 30s. In their latest study, researchers ...

Biology / Cell & Microbiology

created Jan 18, 2011 | popularity 4.3 / 5 (4) | comments 0 | with audio podcast

Brain connections for stress -- lessons from the worm

Did you ever wonder how you are able to perform complex tasks - even under stress? And how do emotions and memories mould your ability to live your everyday lives? The answer is just beginning to be understood ...

Medicine & Health / Neuroscience

created Apr 18, 2010 | popularity 4.8 / 5 (8) | 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

Major moral decisions use general-purpose brain circuits to manage uncertainty

(PhysOrg.com) -- Scientists at Harvard University have found that humans can make difficult moral decisions using the same brain circuits as those used in more mundane choices related to money and food.

Medicine & Health / Neuroscience

created Aug 25, 2010 | popularity 5 / 5 (1) | comments 0 | with audio podcast

New model suggests how the brain might stay in balance

(PhysOrg.com) -- Physicists have theorized for decades about how neural networks might be able to accomplish the incredibly complex calculations the human brain performs all the time. But simply stabilizing ...

Other Sciences / Mathematics

created Sep 24, 2009 | popularity 3.9 / 5 (8) | comments 3