Visual cortex
Visual Cortex
The Visual Cortex (/ˈvɪʒuəl ˈkɔːrtɛks/), is the part of the cerebral cortex responsible for processing visual information. It is located in the occipital lobe, at the back of the brain.
Etymology
The term "Visual Cortex" is derived from the Latin words "visus" meaning "sight" and "cortex" meaning "bark" or "rind". This is in reference to the cortex's role in processing visual stimuli and its layered structure, which is reminiscent of the bark of a tree.
Function
The Visual Cortex is primarily responsible for receiving and interpreting information from the eyes. It is divided into several areas, each with a specific function. The primary visual cortex (V1) is the main entry point for visual information, while the secondary visual cortex (V2) and tertiary visual cortex (V3) further process this information.
Related Terms
- Retina: The light-sensitive layer of tissue at the back of the inner eye that transmits visual signals to the brain.
- Optic Nerve: The nerve that transmits electrical impulses from the retina to the brain.
- Occipital Lobe: The region of the brain located at the back of the head that contains the visual cortex.
- Cerebral Cortex: The outer layer of the cerebrum, composed of folded grey matter, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.
See Also
External links
- Medical encyclopedia article on Visual cortex
- Wikipedia's article - Visual cortex
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