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The primary visual cortex is a very reciprocal area, allowing signals to feed forward (bottom-up) and also feed back (top-down) to allow more complex processing and manipulation by 'higher' brain areas.
About 90% of the output from the retina flows to the LGN and then to V1, whereas the remaining 10% is projected to the superior colliculus and then to the pulvinar, reciprocally connecting with the extrastriate areas surrounding the primary visual cortex (Tong, 2003).
Rapid laminar-dependent changes in GFAP immunoreactive astrocytes in the visual cortex of rats reared in a complex environment.
The results show that not everything in the visual cortex, the part of the brain that processes visual information, becomes conscious knowledge, says study co-author Sheng He, assistant professor of psychology at the University of Minnesota.
When a key region of the visual cortex was blocked, volunteers were significantly less successful in discriminating the orientation of the grating through touch.
Digitizer, Clipper and Visual Cortex are registered trademarks of Realeyes3D S.
TEHRAN (FNA)- Using prisms and an advanced brain scanner, researchers found the point in the human brain -- very early in image processing in the visual cortex -- in which the transformation to a cyclopean view of the world takes place.
This is supported by recent research that suggests maintained functional modularity of the visual cortex may be beneficial to the outcome of sight restoration in blind subjects a finding that will have important implications on the development of guidelines for sight restoration when a technique becomes available.
Washington, May 26 ( ANI ): Researchers studying brain process involved in sight have discovered that the visual cortex also uses information gleaned from the ears as well as the eyes when viewing the world.
The shapes mimic the way that the visual cortex breaks down the incoming information from our eyes into fuzzy patterns called Gabor stimuli.
VEPs are electrical signals ("brain waves") that are measured at the visual cortex.