News tagged with brain circuit

Related topics: brain , brain regions

Scientists discover anti-anxiety circuit in brain region considered the seat of fear

Stimulation of a distinct brain circuit that lies within a brain structure typically associated with fearfulness produces the opposite effect: Its activity, instead of triggering or increasing anxiety, counters ...

Medicine & Health / Neuroscience

created Mar 09, 2011 | popularity 4.3 / 5 (9) | comments 4 | 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

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

Soldiers' helmets could control brain activity with ultrasound

(PhysOrg.com) -- One of DARPA's latest pursuits of cutting-edge research involves a neurotechnology lab at Arizona State University that specializes in ultrasonic brain stimulation. By implementing the technology ...

Medicine & Health / Neuroscience

created Sep 10, 2010 | popularity 3.8 / 5 (24) | comments 24 | with audio podcast weblog

Why humans believe that better things come to those who wait

New research reveals a brain circuit that seems to underlie the ability of humans to resist instant gratification and delay reward for months, or even years, in order to earn a better payoff. The study, published by Cell ...

Medicine & Health / Neuroscience

created Apr 14, 2010 | popularity 4 / 5 (7) | comments 2 | with audio podcast

Cell-inspired electronics

(PhysOrg.com) -- A single cell in the human body is approximately 10,000 times more energy-efficient than any nanoscale digital transistor, the fundamental building block of electronic chips. In one second, ...

Technology / Engineering

created Feb 25, 2010 | popularity 4.9 / 5 (16) | comments 0 | with audio podcast

Learning is social, computational, supported by neural systems linking people

(PhysOrg.com) -- Education is on the cusp of a transformation because of recent scientific findings in neuroscience, psychology, and machine learning that are converging to create foundations for a new science ...

Medicine & Health / Psychology & Psychiatry

created Jul 16, 2009 | popularity 4.3 / 5 (8) | comments 0

Study improves insights into Parkinson's disease and possible treatments

About the only thing doctors have understood about deep-brain stimulation, which is widely used to treat Parkinson's disease symptoms, is that somehow it works for many patients. In a new study that will be published March ...

Medicine & Health / Medical research

created Mar 19, 2009 | popularity 5 / 5 (1) | comments 0

Researchers develop 'wireless' activation of brain circuits

Traditionally, stimulating nerves or brain tissue involves cumbersome wiring and a sharp metal electrode. But a team of researchers at Case Western Reserve University is going "wireless."

Chemistry / Biochemistry

created Feb 23, 2009 | popularity 4.7 / 5 (12) | 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

Growth factor protects key brain cells in Alzheimer's models

Memory loss, cognitive impairment, brain cell degeneration and cell death were prevented or reversed in several animal models after treatment with a naturally occurring protein called brain-derived neurotrophic factor (BDNF). ...

Medicine & Health / Diseases, Conditions, Syndromes

created Feb 08, 2009 | popularity 5 / 5 (13) | comments 0

Better housing conditions for zebrafish could improve research results

Changing the conditions that zebrafish are kept in could have an impact on their behaviour in animal studies and the reliability of results, according to scientists from Queen Mary, University of London.

Biology / Plants & Animals

created May 03, 2012 | popularity 5 / 5 (1) | comments 0 | 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

Flies' flight patterns rely on sense of smell

(PhysOrg.com) -- If a fruit fly gets a whiff of a rotting banana, it does everything it can to get to the location of the potential feast. That includes not only beating its wings faster, but overriding its ...

Biology / Plants & Animals

created Oct 20, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast