VISUAL AREA Meaning and
Definition
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Visual area refers to a specific region within the brain that is responsible for processing visual information received from the eyes. It is an integral part of the visual system and plays a crucial role in visual perception and interpretation.
The visual area is primarily located in the occipital lobe, which is situated at the back of the cerebral cortex. This area is divided into two main regions: the primary visual cortex (also known as V1 or striate cortex) and the extrastriate cortex. The primary visual cortex is the first stage of visual processing and is responsible for initial analysis of basic visual features, such as orientation and spatial frequency. It acts as a gateway, receiving visual signals from the eyes and further relaying them to higher visual areas for more complex processing.
The extrastriate cortex consists of several visual areas, including V2, V3, V4, and V5 (also known as the middle temporal area or MT). These areas are involved in extracting more intricate details from visual stimuli, such as color, shape, motion, and depth. They contribute to the overall integration and interpretation of visual information.
The visual area is highly interconnected with other regions of the brain, including the frontal and parietal lobes, allowing for coordinated visual processing, attention, and perception. Damage or dysfunction in the visual area can lead to various visual impairments, such as visual agnosia (inability to recognize objects), visual field defects, or difficulties in motion perception.
In summary, the visual area is a specialized region in the brain responsible for the perception and interpretation of visual information. It comprises the primary visual cortex and extrastriate cortex and plays a vital role in visual processing, attention, and visual perception.
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The occipital lobe and angular gyrus of each cerebral hemisphere.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for VISUAL AREA
- cisual area
- bisual area
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- vixual area
- vidual area
- vieual area
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- visyal area
- vishal area
- visjal area
Etymology of VISUAL AREA
The etymology of the word "visual" can be traced back to the Latin word "visus", which means "sight" or "vision". This Latin term eventually evolved into "visualis" in Medieval Latin, meaning "of sight" or "pertaining to vision". In turn, the word "area" derives from the Latin word "ara", meaning "open space" or "region". Thus, the term "visual area" combines "visual", referring to sight or vision, with "area", denoting a particular region or space. In the context of neuroscience or cognitive science, the term "visual area" often refers to specific regions of the brain that are responsible for processing visual information.
Similar spelling words for VISUAL AREA
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