News tagged with visual perceptions

Nanosized diamonds enable progress in retinal prostheses

Research groups in several countries are making progress in retinal prosthesis development. If they achieve their aims, patients who have gone blind, due to loss of their photoreceptors, could recover a better ...

Nanotechnology / Bio & Medicine

created Jun 17, 2011 | popularity 4.8 / 5 (5) | comments 0

Marijuana use may hurt intellectual skills in MS patients

Any possible pain relief that marijuana has for people with multiple sclerosis (MS) may be outweighed by the drug's apparent negative effect on thinking skills, according to research published in the March 29, 2011, print ...

Medicine & Health / Neuroscience

created Mar 28, 2011 | popularity 1.8 / 5 (4) | comments 8

Learning to see consciously

Our brains process many more stimuli than we become aware of. Often images enter our brain without being noticed: visual information is being processed, but does not reach consciousness, that is, we do not ...

Medicine & Health / Neuroscience

created Mar 09, 2011 | popularity 4.3 / 5 (7) | comments 0 | with audio podcast

Scientists boost perception using rhythmic transcranial magnetic stimulation

Researchers at the University of Glasgow and University College London (UCL) have, for the first time, enhanced visual perception through rhythmic transcranial magnetic stimulation (rTMS) of the brain.

Medicine & Health / Neuroscience

created Feb 14, 2011 | popularity 4.7 / 5 (6) | comments 1 | with audio podcast

Bringing 3D to the operating room

(PhysOrg.com) -- For all of their high-tech advantages, laparoscopic surgical systems are only capable of providing a two-dimensional visualization -- or in other words, no depth perception.

Technology / Hi Tech & Innovation

created Jan 31, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Perceptual changes - a key to our consciousness

(PhysOrg.com) -- With his coat billowing behind him and his right eye tightly closed, Captain Blackbeard watches the endless sea with his telescope. Suddenly the sea disappears as the pirate opens his right ...

Medicine & Health / Neuroscience

created Nov 19, 2010 | popularity 4.7 / 5 (14) | comments 11 | with audio podcast

Transcription factor scan identifies genetic cause for inherited blindness

Retinitis pigmentosa is an inherited eye disorder characterized by progressive loss of vision that in many instances leads to legal blindness at the end stage.

Medicine & Health / Genetics

created Nov 18, 2010 | popularity 5 / 5 (1) | comments 0

Obedient sensory neurons

Using monkey electrophysiology, Dr. Koida and Dr. Komatsu (Toyohashi University of Technology, Japan) found that task demand altered the response of the inferior temporal neurons.

Medicine & Health / Neuroscience

created Oct 26, 2010 | popularity not rated yet | comments 0

Researchers find the blind use visual brain area to improve other senses

People who have been blind from birth make use of the visual parts of their brain to refine their sensation of sound and touch, according to an international team of researchers led by neuroscientists at Georgetown University ...

Medicine & Health / Neuroscience

created Oct 06, 2010 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Interaction with neighbors: Neuronal field simulates brain activity

The appearance of a spot of light on the retina causes sudden activation of millions of neurons in the brain within tenths of milliseconds. At the first cortical processing stage, the primary visual cortex, each neuron thereby ...

Medicine & Health / Neuroscience

created Sep 27, 2010 | popularity 5 / 5 (2) | comments 0

Video games lead to faster decisions that are no less accurate

Cognitive scientists from the University of Rochester have discovered that playing action video games trains people to make the right decisions faster. The researchers found that video game players develop ...

Medicine & Health / Psychology & Psychiatry

created Sep 13, 2010 | popularity 4.4 / 5 (13) | comments 19 | with audio podcast

What the doctor prescribes: Customized medical-image databases

Digital archives of biomedical images could someday put critical information at doctors' fingertips within seconds, illustrating how computers can improve the way medicine is practiced. The current reality, however, isn't ...

Medicine & Health / Medical research

created Aug 02, 2010 | popularity not rated yet | comments 2

Brain fitness program study reveals visual memory improvement in older adults

A commercial brain fitness program has been shown to improve memory in older adults, at least in the period soon after training. The findings are the first to show that practicing simple visual tasks can improve the accuracy ...

Medicine & Health / Neuroscience

created Jul 14, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Psychological research conducted in WEIRD nations may not apply to global populations

A new University of British Columbia study says that an overreliance on research subjects from the U.S. and other Western nations can produce false claims about human psychology and behavior because their psychological tendencies ...

Medicine & Health / Psychology & Psychiatry

created Jun 30, 2010 | popularity 4.6 / 5 (9) | comments 3 | with audio podcast

Spot the difference predicts model of human visual attention

(PhysOrg.com) -- In a computerized game of 'spot the difference', people are more likely to notice things added or removed than even major changes in colour.

Medicine & Health / Medical research

created Jun 21, 2010 | popularity 5 / 5 (1) | comments 1 | with audio podcast