Most Viewed Visual Impairment Current Events | Visual Impairment News
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Losing sleep undoes the rejuvenating effects new learning has on the brain
Sleep deprivation impairs spatial learning - including remembering how to get to a new destination. And now scientists are beginning to understand how that happens view more (2006-01-09)
'Thirst for knowledge' may be opium craving
Neuroscientists have proposed a simple explanation for the pleasure of grasping a new concept: The brain is getting its fix. view more (2006-06-21)
How ants find their way
Ever wondered how ants find their way straight to the uncovered food in your kitchen? Now scientists have discovered how the humble wood ant navigates over proportionally huge distances, using just very poor eyesight and confusing and changing natural landmarks. view more (2006-10-18)
Erotic images elicit strong response from brain
A new study suggests the brain is quickly turned on and "tuned in" when a person views erotic images. view more (2006-06-14)
Memory loss in older adults due to distractions, not inability to focus
The short-term memory problems that accompany normal aging are associated with an inability to filter out surrounding distractions, not problems with focusing attention, according to a study by researchers at the University of California, Berkeley. view more (2005-09-12)
Erotic images prove useful in coaxing out unconscious brain activity
When your eyes are presented with erotic images in a way that keeps you from becoming aware of them, your brain can still detect and respond to the images according to your gender and sexual orientation. view more (2006-10-27)
Alzheimer's pathology related to episodic memory in those without dementia
Alzheimer's pathology can appear in the brains of older men and women without dementia or mild cognitive impairment. view more (2006-06-27)
Brain changes in patients with migraine
Researchers from Harvard Medical School have found increased thickness of two areas of the brain cortex in people with migraine when compared to healthy controls. view more (2006-10-17)
Scientists uncover why picture perception works
A team of scientists has solved a key mystery of visual perception. Why do pictures look the same when viewed from different angles? view more (2005-09-22)
Smoking interferes with brain's recovery from alcoholism
Smoking appears to interfere with the brain's ability to recover from the effects of chronic alcohol abuse. view more (2006-03-16)
Working memory retains visual details despite distractions
The ability to retain memory about the details of a natural scene is unaffected by the distraction of another activity and this information is retained in "working memory". view more (2006-01-20)
Boston University psychologists find neurological mechanism for subliminal learning
Watch out - you may learn something and not even know it, says Takeo Watanabe, an associate professor of psychology at Boston University's Center for Brain and Memory. Watanabe and his team recently pinpointed the mechanism that makes subliminal learning work. Watanabe will present the team's findings at the American Psychological Society meeting... view more... (2005-05-26)
'Word-vision' brain area confirmed
Humans have an uncanny ability to skim through text, instantly recognizing words by their shape-even though writing developed only about 6000 years ago-long after humans evolved. view more (2006-04-20)
Does missing gene point to nocturnal existence for early mammals?
A gene that makes cells in the eye receptive to light is missing in humans, researchers have discovered. view more (2006-10-13)
One reason to test premature babies early: Results provide clues to later cognitive development
Now a study from researchers at the Albert Einstein College of Medicine in the Bronx, N.Y., and the University of Ghent in Belgium, finds that early cognitive deficits in infancy such as poorer attention, slower processing speed and poorer recognition memory are important harbingers of later cognitive deficits. view more (2005-11-14)
Testosterone therapy may prevent Alzheimer's disease
Researchers at the University of Southern California have discovered a direct link between loss of testosterone and the development of an Alzheimer's-like disease in mice. They also discovered that testosterone treatment slows progression of the disease. view more (2006-12-20)
Omega-3 fatty acids may slow down early Alzheimer's in some cases
Omega-3 fatty acid supplements may slow cognitive decline in some patients with very mild Alzheimer's disease, according to new findings from Karolinska Institutet (KI) in Sweden. view more (2006-10-11)
New research suggests heart bypass surgery increases risk of Alzheimer's disease
Boston University School of Medicine (BUSM) researchers have discovered that patients who have either coronary artery bypass graft surgery or coronary angioplasty are at an increased risk of developing Alzheimer's disease. view more (2005-08-26)
Williams Syndrome, the brain and music
Children with Williams syndrome, a rare genetic disorder, just love music and will spend hours listening to or making music. Despite averaging an IQ score of 60, many possess a great memory for songs, an uncanny sense of rhythm, and the kind of auditory acuity, than can discern differences between different vacuum cleaner brands. view more (2006-10-04)
Brain Abnormality Found In Alzheimer's Disease Related to Gait Impairment in Older Persons
A new study from Rush University MedicalCenter helps explain why gait problems are often progressive in old age and related to risk of dementia and death. view more (2006-01-26)
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