Visual System Current Events | Visual System News | 3
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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)
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)
Revealing the machinery underlying the 'plastic' juvenile brain
Among the central mysteries of neurobiology is what properties of the young brain enable it to so adeptly wire itself to adapt to experience—a quality known as plasticity. view more (2007-03-01)
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)
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)
Learning visual prosthesis at the Hanover Fair
When the idea appeared several years ago, it sounded persuasive: How about implanting electrodes at the defective retina of blind subjects and connecting them with a mini camera in order to re-establish vision. view more (2007-04-13)
Why C is not G: How we identify letters
The next time you are reading a book, or even as you read this article, consider the words that you are seeing. How do you recognize these words? Substantial research has shown that while reading, we recognize words by their letters and not by the general shape of the word. view more (2008-11-26)
Audio-visual tools for Speech & Language Therapists
Latest developments from the Department of Electronics at the University of Kent at Canterbury (UKC) are proving to be invaluable audio-visual tools for Speech & Language Therapists around the world. Senior Lecturer Steve Kelly has been working on an already existing technology called SNORS+ and developed a system that combines time-coded... view more... (2002-04-25)
Color contrast is 'seen' by the brain early doors
Colour contrast is detected much earlier in the brain than previously thought, a new study shows. view more (2007-09-10)
Study shows that prenatal exposure to alcohol may cause visual problems in infants
Fetal alcohol syndrome (FAS), a disorder that is indicated by distinct facial characteristics, growth retardation, and poor intellectual and attentional function, can occur when mothers drink alcohol heavily during pregnancy. view more (2005-10-20)
Owls' dawn and dusk concerts promote visual communication
Reporting in the online, open-access journal PLoS ONE April 8, Vincenzo Penteriani and Maria Delgado of the Estacion Biologica de Doñana, Spain, describe the evolution of white throat badges in association with dawn and dusk vocal signals in certain species of nocturnal bird, which maximise the potential for these species to communicate... view more... (2009-04-08)
Dopamine study sheds new light on drug addiction
A paper published in today's issue of Science has challenged beliefs about the role of dopamine in the brain, which could lead to new treatments for Parkinson's disease, schizophrenia and drug addiction. The research suggests that dopamine has a far wider, less specialised role than previously hypothesised. view more (2005-03-02)
Early treatment of children with bilateral amblyopia essential, according to multisite study
When a child is farsighted or has astigmatism or has both conditions in both eyes, bilateral amblyopia may develop. In contrast to single-eye amblyopia or "lazy eye," where one eye presents an unclear image to the brain, bilateral amblyopia affects both eyes and is less common. view more (2007-10-02)
Radiation therapy can help spare vision in patients with melanoma of the eye
Treating a rare form of eye cancer with radiation therapy can spare patients from significant vision loss. view more (2005-10-19)
Sense and sensibility in short-term memory
More than three centuries ago, Sir Isaac Newton reflected on the similarities between the sense of hearing and the sense of sight. Newton's speculations were impossible to test scientifically, until now. view more (2007-02-20)
NIST tool helps Internet master top-level domains
At the request of a worldwide Internet organization, a computer scientist at the National Institute of Standards and Technology (NIST) developed an algorithm that may guide applicants in proposing new "top-level domains"-the last part of an Internet address, such as .com, that people type in navigating the Web. view more (2008-05-19)
NYU, Salk Institute neuroscientists offer new path for measuring visual responses to complex images
Neuroscientists at New York University and the Salk Institute have developed a new technique for measuring visual responses to complex images. The method consists of building a model based on cell responses to a range of stimuli, then asking how accurate the model is by comparing the model predictions with the actual responses of a cell to... view more... (2005-06-22)
Salk research challenges concept that motion perception is all black and white
Researchers at the Salk Institute for Biological Studies have discovered a neural circuit that is likely to play an important role in the visual perception of moving objects. view more (2006-04-20)
Penn researchers report that gene therapy awakens the brain despite blindness from birth
Researchers at the University of Pennsylvania have demonstrated that gene therapy used to restore retinal activity to the blind also restores function to the brain's visual center, a critical component of seeing. view more (2007-06-26)
Antidepressants enhance neuronal plasticity in the visual system
In the April 18 issue of Science, scientists from the Scuola Normale Superiore in Pisa, Italy and the Neuroscience Centre at the University of Helsinki, Finland, provide new information about the mechanism of action of antidepressant drugs. view more (2008-04-18)
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