visual area
Học thuậtThân thiện
Definition
- Noun:
- The region of the cerebral cortex that processes visual information: The "visual area" is the specific part of the brain's outer layer responsible for receiving and interpreting neural signals related to sight.
Usage
- The term "visual area" is used in neuroscience, psychology, and medicine to refer to the primary cortical region dedicated to vision.
- It is typically used in technical or academic contexts.
Examples
- Noun:
- Damage to the primary visual area can result in blindness, even if the eyes are healthy.
- The study mapped the brain's visual area using functional MRI.
Advanced Usage
- "Primary visual area (V1)": Also known as the striate cortex, this is the first cortical region to receive visual input from the thalamus.
- Neurons in the primary visual area respond to basic visual features like edges and orientation.
- "Extrastriate visual areas": These are cortical regions surrounding the primary visual area that process more complex aspects of vision like color, motion, and object recognition.
- Visual processing continues from V1 into the extrastriate visual areas.
Variants and Related Words
- Visual cortex (n): A broader term often used synonymously with "visual area," encompassing all cortical regions involved in vision.
- The visual cortex is located in the occipital lobe.
- Occipital lobe (n): The lobe of the brain where the primary visual area is situated.
- The occipital lobe houses the brain's main visual processing centers.
Synonyms
- Visual cortex: The area of the cerebral cortex that processes visual information.
- Striate cortex: Another name for the primary visual area (V1).
Related Terms (Not Phrasal Verbs)
- Lateral geniculate nucleus (LGN) (n): A structure in the thalamus that relays visual information to the primary visual area.
- The lateral geniculate nucleus is a crucial relay station for visual signals.
- Cortical area (n): A defined region of the cerebral cortex with a specific function.
- Each sensory modality has a dedicated cortical area for processing.
Noun
- the cortical area that receives information from the lateral geniculate body of the thalamus