News tagged with visual cortex

Related topics: brain , neurons




Brain oscillations reveal that our senses do not experience the world continuously

(Medical Xpress) -- It has long been suspected that humans do not experience the world continuously, but rather in rapid snapshots.

Neuroscience created May 14, 2012 | popularity 4.3 / 5 (36) | comments 13 | with audio podcast

Seeing is as seeing does: Spatially-structured retinal input in early development of cortical maps

(Medical Xpress) -- Remarkably, cortical maps show that neurons in the primary visual cortex have specific preferences for the location and orientation of a given visual field stimulus – but how these ...

Neuroscience created Apr 26, 2012 | popularity 5 / 5 (6) | comments 1 | with audio podcast feature

How your eyes deceive you

(Medical Xpress) -- Researchers at the University of Sydney have thrown new light on the tricks the brain plays as it struggles to make sense of the visual and other sensory signals it constantly receives.

Neuroscience created Apr 24, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Experiment shows visual cortex in women quiets when viewing porn

(Medical Xpress) -- Researchers from the University of Groningen Medical Centre in the Netherlands have found that for women at least, watching pornographic videos tends to quiet the part of the brain most heavily involved ...

Neuroscience created Apr 20, 2012 | popularity 4.5 / 5 (19) | comments 0 | with audio podcast report

Distinct brain cells recognize novel sights

No matter what novel objects we come to behold, our brains effortlessly take us from an initial "What's that?" to "Oh, that old thing" after a few casual encounters. In research that helps shed light on the ...

Neuroscience created Apr 11, 2012 | popularity not rated yet | comments 0 | with audio podcast

Microchip success for bionic eye

(Medical Xpress) -- Research to restore sight to the clinically blind has reached a critical stage, with testing underway of the prototype microchips that will power the bionic eye.

Ophthalmology created Apr 03, 2012 | popularity 4.4 / 5 (9) | comments 0 | with audio podcast

Seeing Beyond the Visual Cortex

(Medical Xpress) -- It's a chilling thought--losing the sense of sight because of severe injury or damage to the brain's visual cortex. But, is it possible to train a damaged or injured brain to "see" again after such a catastrophic ...

Neuroscience created Apr 03, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Human attention to a particular portion of an image alters the way the brain processes visual cortex responses to that i

Our ability to ignore some, but not other stimuli, allows us to focus our attention and improve our performance on a specific task. The ability to respond to visual stimuli during a visual task hinges on altered ...

Neuroscience created Mar 30, 2012 | popularity 5 / 5 (1) | comments 0

Study suggest that conscious perception has little to do with the primary visual cortex

From a purely intuitive point of view, it is easy to believe that our ability to actively pay attention to a target is inextricably connected with our capacity to consciously perceive it. However, this proposition ...

Neuroscience created Mar 05, 2012 | popularity 5 / 5 (1) | comments 1

Open your eyes and smell the roses: Activating the visual cortex improves our sense of smell

A new study reveals for the first time that activating the brain's visual cortex with a small amount of electrical stimulation actually improves our sense of smell. The finding published in the Journal of Neuroscience by res ...

Neuroscience created Feb 28, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Neuroscientists identify how the brain works to select what we (want to) see

If you are looking for a particular object — say a yellow pencil — on a cluttered desk, how does your brain work to visually locate it?

Neuroscience created Feb 21, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Mouse brains keyed to speed

(Medical Xpress) -- It’s hard to be a mouse. You’re a social animal, but your fellows are small and scattered. You’re a snack to a bestiary of fast, eagle-eyed predators, not least the eagle. ...

Neuroscience created Jan 25, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Neural balls and strikes: Where categories live in the brain

Hundreds of times during a baseball game, the home plate umpire must instantaneously categorize a fast-moving pitch as a ball or a strike. In new research from the University of Chicago, scientists have pinpointed an area ...

Neuroscience created Jan 15, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast

Why evolutionarily ancient brain areas are important

Structures in the midbrain that developed early in evolution can be responsible for functions in newborns which in adults are taken over by the cerebral cortex. New evidence for this theory has been found in the visual system ...

Neuroscience created Nov 30, 2011 | popularity not rated yet | comments 7

Brain study explores what makes colors and numbers collide

Someone with the condition known as grapheme-color synesthesia might experience the number 2 in turquoise or the letter S in magenta. Now, researchers reporting their findings online in the Cell Press journal Current Biology on Nov ...

Neuroscience created Nov 17, 2011 | popularity 5 / 5 (1) | comments 2 | with audio podcast