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English: Simple line-art sketch of a human brain. The is a layered SVG file with separate layers for the cortex, cerebrellum and eye. The is a layered SVG file with separate layers for the cortex, cerebrellum and eye.
One basic model describing the geometry of the optical system is the Arizona Eye Model. [2] This model describes the accommodation of the eye geometrically. Photons of light falling on the light-sensitive cells of the retina ( photoreceptor cones and rods ) are converted into electrical signals that are transmitted to the brain by the optic ...
File:Brain_human_normal_inferior_view.svg licensed with Cc-by-2.5 2009-10-13T16:18:05Z Beao 424x505 (209117 Bytes) Replaced right brain half with a clone of left brain half because they look excly the same in the picture. 2007-09-23T15:14:17Z Ysangkok 424x505 (417241 Bytes) removing credits
The visual cortex is responsible for processing the visual image. It lies at the rear of the brain (highlighted in the image), above the cerebellum. The region that receives information directly from the LGN is called the primary visual cortex (also called V1 and striate cortex). It creates a bottom-up saliency map of the visual field to guide ...
With each eye producing a different image, a fused, high-resolution image is produced in the brain. The eyes of a mantis shrimp (here Odontodactylus scyllarus) are considered the most complex in the whole animal kingdom. The mantis shrimp has the world's most complex colour vision system. It has detailed hyperspectral colour vision. [6]
The visual cortex of the brain is the area of the cerebral cortex that processes visual information.It is located in the occipital lobe.Sensory input originating from the eyes travels through the lateral geniculate nucleus in the thalamus and then reaches the visual cortex.
Unlike the topographic maps of the senses, the neurons of the motor cortex are efferent neurons that exit the brain instead of bringing information to the brain through afferent connections. The motor system is responsible for initiating voluntary or planned movements ( reflexes are mediated at the spinal cord level, so movements associated ...
The human brain is the central organ of the nervous system, and with the spinal cord, comprises the central nervous system. It consists of the cerebrum, the brainstem and the cerebellum. The brain controls most of the activities of the body, processing, integrating, and coordinating the information it receives from the sensory nervous system ...