Tag: visual

Color awareness has long been a puzzle for researchers in neuroscience and psychology, who debate over how much color observers really perceive. A study from Dartmouth in collaboration with Amherst College finds that people are aware of surprisingly limited color in their peripheral vision; much of our sense of a colorful visual world is likely

Seven years ago, Jason Esterhuizen was in a horrific car crash that destroyed his eyes, plunging him into total darkness. Today, he’s regained visual perception and more independence, thanks to an experimental device implanted in his brain by researchers at UCLA Health. “Now I can do things that I couldn’t do before,” said Esterhuizen, 30,

Children can keep full visual perception—the ability to process and understand visual information—after brain surgery for severe epilepsy, according to a study funded by the National Eye Institute (NEI), part of the National Institutes of Health. While brain surgery can halt seizures, it carries significant risks, including an impairment in visual perception. However, a new

How are the images cast on the retina reassembled in the brain? Researchers in Munich and Tuebingen find that processing of visual stimuli occurs at the earliest waystation on the way to the visual cortex—but not all inputs are treated equally. In humans, the visual system collects up to 80 percent of all the sensory

Hearing aids and cataract surgery are strongly linked to a slower rate of age-related cognitive decline, according to new research by University of Manchester academics. According to Dr. Piers Dawes and Dr. Asri Maharani, cognitive decline- which affects memory and thinking skills- is slowed after patient’s hearing and sight are improved. The rate of decline

A new study led by Carnegie Mellon University neuroscientists provides the first evidence of how the human brain recovers the ability to function after losing parts of the visual system. Published in Cell Reports, the researchers report on three years of behavioral and brain imaging tests on a nearly seven year-old boy—”UD”—who had a third

Imagine that you’re supposed to meet colleagues for dinner, only you can’t remember what their faces look like. For some, this is a reality, as people with face blindness or developmental prosopagnosia (DP) have severe difficulties recognizing faces, including those of family and friends, despite having no history of brain damage (e.g., brain trauma, head