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New study shows those blinded by brain injury may still 'see'
Except in clumsy moments, we rarely knock over the box of cereal or glass of orange juice as we reach for our morning cup of coffee. New research at The University of Western Ontario has helped unlock the mystery of how our brain allows us to avoid these undesired objects. view more (2009-09-03)
Scans show learning 'sculpts' the brain's connections
Spontaneous brain activity formerly thought to be "white noise" measurably changes after a person learns a new task, researchers at Washington University School of Medicine in St. Louis and the University of Chieti, Italy, have shown. view more (2009-10-09)
MIT: Computer vision may not be as good as thought
For years, scientists have been trying to teach computers how to see like humans, and recent research has seemed to show computers making progress in recognizing visual objects. A new MIT study, however, cautions that this apparent success may be misleading because the tests being used are inadvertently stacked in favor of computers. view more (2008-01-25)
Chronic pain causes changes in the human brain
'Chronic pain causes permanent alterations in the human primary somatosensory (SI) and motor (M1) cortices,' says docent Nina Forss. 'These alterations can be used as objective indicators of pain that shapes the human brain,' she continues. Nina Forss works at the Helsinki University of Technology Low Temperature Laboratory: the laboratory's Brain... view more... (2002-10-02)
Associative memory — Learning at all levels
"Green" means "go," but what does "red" mean? Just about everybody says "stop" since we all have learned to imbue certain colors with meaning (or we would be road kill by now). view more (2007-03-15)
A New Method For Assessing Neurological Development Of Fetuses? (p 779)
A preliminary study in this week's issue of THE LANCET outlines how light-emitting technology could help in the future assessment of fetal neurological development. There have been only a few studies of visual-evoked response in human fetuses, and all have focused on general changes such as heart rate, body movements, and eye movements. Curtis... view more... (2002-09-04)
Brain's timing linked with timescales of the natural visual world
Researchers have long attempted to unravel the cryptic code used by the neurons of the brain to represent our visual world. By studying the way the brain rapidly and precisely encodes natural visual events that occur on a slower timescale, a team of Harvard bioengineers and brain scientists from the State University of New York have moved one step... view more... (2007-09-06)
Study suggests human visual system could make powerful computer
Since the idea of using DNA to create faster, smaller, and more powerful computers originated in 1994, scientists have been scrambling to develop successful ways to use genetic code for computation. view more (2008-07-24)
Slow brain waves play key role in coordinating complex activity
While it is widely accepted that the output of nerve cells carries information between regions of the brain, it's a big mystery how widely separated regions of the cortex involving billions of cells are linked together to coordinate complex activity. view more (2006-09-15)
Auditory neurons in humans far more sensitive to fine sound frequencies than most mammals
The human ear is exquisitely tuned to discern different sound frequencies, whether such tones are high or low, near or far. But the ability of our ears pales in comparison to the remarkable knack of single neurons in the brain to distinguish between the very subtlest of sound frequencies. view more (2008-01-11)
The Human Brain: Detective of auditory and visual change
The human brain is capable of detecting the slightest visual and auditory changes. Whether it is the flash of a student's hand into the air or the faintest miscue of a flutist, the brain instantaneously and effortlessly perceives changes in our environment. view more (2008-01-21)
Skin-disease patients show brain immunity to faces of disgust
People with psoriasis - an often distressing dermatological condition that causes lesions and red scaly patches on the skin - are less likely to react to looks of disgust by others than people without the condition, new research has found. view more (2009-08-28)
Viagra®, unlikely tool for vision research, slows the visual response to flickering light
Therapeutic doses of Viagra® have been shown to influence the rate at which visual signals are integrated by the brain, affecting the way quick, repeated events, such as flickering light, are perceived. view more (2006-01-24)
Can brain-injured, partially-blind stroke patients regain some of their lost vision?
Is it possible to offer hope for stroke patients who've lose part of their vision? A study published by SAGE in the journal Neurorehabilitation & Neural Repair explores that question. view more (2007-09-05)
Collision-course science: when a single locust joins a swarm
If an animal is to cope with changing environmental conditions, activity in its nervous system must also change. Scientists from Cambridge and Oxford are studying these changes in collision-detecting nerve cells in the visual system of the locust, an insect that alternates between two lifestyles. Their research, to be presented at the SEB... view more... (2003-03-26)
Innovative course for health workers wins award
An innovative course designed for health professionals working with people facing the trauma of sight loss has won the Yorkshire Times Healthcare Industry Course of the Year Award. The Royal National Institute of the Blind (RNIB)/City University`s Department of Optometry and Visual Science Support Studies course is aimed at staff working in eye... view more... (2002-06-27)
Why delaying gratification is smart: A neural link between intelligence and self-control
If you had a choice between receiving $1,000 right now or $4,000 ten years from now, which would you pick? Psychologists use the term "delay discounting" to describe our inability to resist the temptation of a smaller immediate reward in lieu of receiving a larger reward at a later date. view more (2008-09-10)
For The First Time, Patterns Of Excitation Waves Found In Brain's Visual Processing Center
Neuroscientists have long believed that vision is processed in the brain along circuits made up of neurons, similar to the way telephone signals are transferred through separate wires from one station to another. view more (2007-08-01)
Brain studies reveal the mechanisms of the voluntary control of visual attention
Neuroscientists at Duke University have mapped the timing and sequence of neural activations that unfold in the brain when people focus their attention on specific locations in their visual fields. view more (2007-01-04)
EEGs show brain differences between poor and rich kids
University of California, Berkeley, researchers have shown for the first time that the brains of low-income children function differently from the brains of high-income kids. view more (2008-12-03)
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