Visual Impairment Current Events | Visual Impairment News | 6
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Automated MRI technique assists in earlier Alzheimer's diagnosis
An automated system for measuring brain tissue with magnetic resonance imaging (MRI) can help physicians more accurately diagnose Alzheimer's disease at an earlier stage according to a new study published in the July issue of the journal Radiology. view more (2008-06-24)
Progeny of blind cavefish can regain their sight
Blind cavefish whose eyes have withered while living in complete darkness over the course of evolutionary time can be made to see again, according to a report in the January 8th Current Biology, a publication of Cell Press. view more (2008-01-08)
Growth factors and environment combine to increase brain maturation
A new study showing that growth factors and the environment combine to increase brain maturation appears in the May 30th issue of the online, open-access journal PLoS ONE. view more (2007-05-30)
Commonly used medications may produce cognitive impairment in older adults
Many drugs commonly prescribed to older adults for a variety of common medical conditions including allergies, hypertension, asthma, and cardiovascular disease appear to negatively affect the aging brain causing immediate but possibly reversible cognitive impairment, including delirium, in older adults. view more (2009-06-02)
Sleep Disorders Can Impair Children's IQs As Much As Lead Exposure
Three decades ago, medical investigators began sounding the alarm about how lead exposure causes IQ deficits in children. Today, researchers at the University of Virginia Health System say children with sleep disorders can face similar risks of intellectual impairment. view more (2007-03-14)
15 Percent Work Under Influence of Alcohol
Workplace alcohol use and impairment directly affects an estimated 15 percent of the U.S. workforce, or 19.2 million workers. view more (2006-01-11)
Hidden cues that make smokers light up
Smokers trying to kick the habit for 2004 are probably finding it much harder than they expected. New research by University of Sussex psychologists reveals that smokers subconsciously react to all sorts of visual cues that encourage them to light up. It's not just the obvious sight or smell of a cigarette that sparks off the behaviour. The... view more... (2004-01-14)
Schizophrenia: Delusion without illusion
Scientists have discovered that schizophrenia sufferers are not fooled by a visual illusion and are able to judge it more accurately than non-schizophrenic observers. view more (2005-10-25)
Despite darkness, nocturnal bees learn visual landmarks while foraging at night
Day-active bees, such as the honeybee, are well known for using visual landmarks to locate a favoured patch of flowers, and to find their way home again to their hive. Researchers have now found that nocturnal bees can do the same thing, despite experiencing light intensities that are more than 100 million times dimmer than daylight. The new... view more... (2004-08-10)
Test allows early detection of vision problems in infants with hemangiomas of eyelids
In children with vascular birthmarks around the eye, even partial blockage of vision can lead to visual loss due to amblyopia. view more (2009-04-01)
Bid to help students with visual impairment
Marianna Buultjens and Phil Odor will link with Heather Mason of the University of Birmingham to examine 'real world' case studies, collaborating with the University of Edinburgh's Media and Learning Technologies Service (MALTS) and a special needs college in Birmingham. Phil Odor explains: "It is becoming cheaper and easier to supplement teaching... view more... (2000-01-20)
Can we 'learn to see?': Study shows perception of invisible stimuli improves with training
Although we assume we can see everything in our field of vision, the brain actually picks and chooses the stimuli that come into our consciousness. view more (2009-10-22)
Perceptual learning relies on local motion signals to learn global motion
Researchers have long known of the brain's ability to learn based on visual motion input, and a recent study has uncovered more insight into where the learning occurs. view more (2009-09-22)
Severe COPD may lead to cognitive impairment
Severe chronic obstructive pulmonary disease (COPD) is associated with lower cognitive function in older adults, according to research from Mount Sinai School of Medicine. view more (2009-07-08)
Building efficient, effective, locally sensitive solutions for dementia care
Dementia is a growing burden for society, propelling patients and caregivers to increasingly use the health-care system. view more (2007-10-12)
Redox-active iron is a sensor of cognitive impairment associated with Alzheimer's disease
An innovative discovery has been reported that highlights the problems that oxidative stress resulting from iron cumulated in the human brain can generate in relation with the pathogenesis of Alzheimer's disease (AD), the brain disorder affecting almost 30 million throughout the world. view more (2008-04-07)
Penn researchers find treatment for MS also reduces vision loss in MS patients
According to a study that appears in the April 17 issue of Neurology, researchers at the University of Pennsylvania School of Medicine have found that natalizumab (TYSABRI®) - a drug that slows disability and reduces relapse rates in patients with multiple sclerosis (MS) - also reduces vision loss in patients with relapsing MS. view more (2007-04-17)
Reduced muscle strength associated with risk for Alzheimer's
Individuals with weaker muscles appear to have a higher risk for Alzheimer's disease and declines in cognitive function over time, according to a report in the November issue of Archives of Neurology, one of the JAMA/Archives journals. view more (2009-11-10)
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)
Vision impairment costs billions lost in productivity
Corrected vision impairment could prevent billions of dollars in lost productivity annually. view more (2009-06-03)
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