Posts Tagged ‘vision’

For better mammogram readings, direct the gaze

WASHINGTON U.-ST. LOUIS (US) — A new technique called “subtle gaze direction” could lower the learning curve for reading mammograms, researchers say. Continue…

Friday, February 3, 2012 16:00 - 0 Comments

Science & Technology - Jan 26, 2012 18:26 - 0 Comments

Monkey-brained robot ‘sees’ with whiskers

U. SHEFFIELD (UK) — Researchers have fitted a robotic rat with a monkey brain model in order to increase the machine’s perception. (more…)

Science & Technology - Jan 24, 2012 14:27 - 0 Comments

Cavefish cast off eyes for life in the dark

NYU (US) — Researchers say cavefish, having lost their pigmentation and sight from living in complete darkness, are an example of convergent evolution. (more…)

Science & Technology - Jan 24, 2012 12:54 - 0 Comments

Signers quick to read body language

UC DAVIS (US) — Deaf people who use sign language can recognize and interpret body language more readily than hearing non-signers, a new study shows. (more…)

Health & Medicine - Oct 28, 2011 10:50 - 0 Comments

Halloween lenses: More trick than treat

WASHINGTON U.-ST. LOUIS (US) — Don’t get tricked into hurting eyes with unsafe contact lenses this Halloween, says visual scientist Mary Migneco. (more…)

Science & Technology - Sep 12, 2011 17:09 - 1 Comment

Illusion explains how we view motion

STANFORD (US) — Flies like watching computer screens as much as the next animal. Set them on a trackball in front of a monitor, and they’ll follow the action. (more…)

Health & Medicine - Aug 23, 2011 11:45 - 0 Comments

Weak synapses may cause lines to blur

USC (US) — Neurons in the primary visual cortex respond selectively to lines and edges of visual images, allowing the brain to distinguish their orientation, according to a new study. (more…)

Science & Technology - Jun 23, 2011 10:53 - 4 Comments

Birds see colors invisible to humans

YALE (US) — Birds’ plumage has changed from dull to brilliant over millions of years, but the bright hues humans see are only a fraction of what birds see. (more…)

Science & Technology - Jun 8, 2011 11:50 - 1 Comment

Seeing the light preps brain for vision

BROWN U. (US) — Two studies—one with mice pups and one with tadpoles—show how exposure to light early in life helps organize and refine the circuitry of vision systems. (more…)

Science & Technology - May 18, 2011 13:39 - 0 Comments

Strike a pose. Computers are watching

NYU (US) — A crowd-sourcing music video is helping computer vision scientists give eyesight to machines. (more…)

Mollusks keep a look out with rock eyes

DUKE (US) — A simple mollusk appears to use hundreds of eye-like structures made of a calcium carbonate crystal to scope out potential predators and to protect itself against being eaten. (more…)

Science & Technology - Apr 15, 2011 13:49 - 0 Comments

Face it: Human perception isn’t unique

U. IOWA (US) — Humans aren’t the only ones who are able to recognize facial identity and emotional expression—pigeons can too. (more…)

Science & Technology - Nov 16, 2010 17:11 - 3 Comments

What color is your rainbow? It depends

VANDERBILT (US) — A brain area known to play a critical role in vision is divided into compartments that respond separately to different colors and orientations. (more…)

Science & Technology - Nov 11, 2010 13:50 - 0 Comments

Deaf adults have highly tuned vision

U. SHEFFIELD (UK) — Children born deaf are slower to react to objects in their peripheral vision than hearing people, but teens and adults who have been deaf since birth react faster than their hearing peers. (more…)

Science & Technology - Oct 25, 2010 14:22 - 0 Comments

For identification, lend me your ears

U. SOUTHAMPTON (UK) — A technique that highlights tubular structures like ears is making it possible for scientists to automatically identify people. (more…)

Science & Technology - Oct 14, 2010 11:28 - 6 Comments

No breaking curveball? Say it ain’t so

USC (US) — No pitcher can make a curveball “break” or a fastball “rise.” What hitters—and fans—think they see is simply an illusion, new research shows. (more…)

Health & Medicine - Sep 10, 2010 16:22 - 1 Comment

Lazy eye linked to brain malfunction

NYU (US)—Researchers have identified a new neurological deficit behind amblyopia, or “lazy eye,” shedding additional light on how the condition results from disrupted links between the brain and normal visual processing. (more…)

Health & Medicine - Aug 3, 2010 11:52 - 3 Comments

‘Bendable’ brain adapts to what eyes see

VANDERBILT (US)—The human brain never stops adapting to its environment in a quest to formulate what the mind perceives based on what the eyes see, according to a new study. (more…)

Health & Medicine - Apr 16, 2010 0:03 - 3 Comments

Glaucoma: Skip the treatment?

WASHINGTON U.-ST. LOUIS / UC DAVIS (US)—Most people at risk for developing glaucoma due to high eye pressure do not need treatment, according to a large, multicenter study. (more…)

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