Science news articles about 'primary visual cortex'

... ." The researchers recorded the neuronal responses with microelectrodes inserted directly into the primary visual cortex of a rhesus macaque. The monkey was then required to orient its gaze towards a ...

... analyzed brain activity during the 10 second delay (when short term memory is active) in the primary visual cortex, the main region of the brain which handles visual information. ...

... seven people who had suffered a stroke that damaged an area of the brain known as the primary visual cortex or V1, which serves as the gateway to the rest of the brain for all the visual information ...

... shift to the uncovered eye. How and where this synaptic shift occurs in the primary visual cortex has remained controversial. Understanding the mechanism behind this phenomenon is key because the ...

... scene would allow." Neurons in the primary visual cortex only respond when a stimulus appears within a window covering a small part of the visual field that the eye sees. This window is known as ...

... region of the brain typically unaffected by the disease¬ -- the primary visual cortex. Positron Emission Tomography scans PET scans of 67 non-carriers of the KIBRA T-allele, and ...

Blindsight is a phenomenon in which patients with damage in the primary visual cortex of the brain can tell where an object is although they claim they cannot see it. A research team led by Prof. ...

... field as a result of damage in one hemisphere of the primary visual cortex (a brain region also known as V1). ... applied TMS to GY's damaged and intact visual processing centers. The result: he saw the ...

... their visual field. Previous research in this area showed conflicting results. Some studies suggested that the primary visual cortex, the first part of the cortex to receive visual information from ...

... in visual input (local motion) in the primary visual cortex. The local motion signals are then integrated in the later visual processing stages and interpreted as global motion in the ...

... diamond. The ability to train brains to consciously see might help people with blindsight, whose primary visual cortex has been damaged through a stroke or trauma. Blindsight patients ...