Striate cortex
Striate Cortex
The Striate Cortex (pronounced: /straɪ.eɪt ˈkɔːr.tɛks/), also known as the primary visual cortex, is a part of the cerebral cortex that processes visual information. It is located in the occipital lobe, the rearmost lobe of the cerebrum.
Etymology
The term "striate" comes from the Latin word "stria" which means "groove" or "furrow". This is in reference to the line of Gennari, a band of myelinated axons in the visual cortex that gives it a striped appearance.
Function
The striate cortex is the first stage of cortical processing for visual information coming from the retina. It is responsible for the basic processing of visual stimuli, such as orientation, spatial frequency, and color. The striate cortex is also involved in the perception of motion and depth.
Related Terms
- Visual Cortex: The part of the cerebral cortex that processes visual information. It includes the striate cortex and the extrastriate visual areas.
- Occipital Lobe: The rearmost lobe in the human brain, located in the back of the head. It is primarily responsible for visual processing.
- Cerebral Cortex: The outermost layer of the brain, responsible for higher brain functions such as sensation, voluntary muscle movement, thought, reasoning, and memory.
- Retina: The light-sensitive layer of tissue at the back of the inner eye that converts light images to nerve signals and sends them to the brain.
External links
- Medical encyclopedia article on Striate cortex
- Wikipedia's article - Striate cortex
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