Pulvinar
Pulvinar
Pulvinar (pronunciation: /pʌlˈvɪnɑːr/) is a part of the thalamus in the human brain. It is the largest of the four groups of thalamic nuclei and is located at the back of the thalamus.
Etymology
The term "pulvinar" is derived from the Latin word 'pulvinus', meaning cushion. This is in reference to the shape and position of the pulvinar in the brain, which resembles a cushion resting on the corpora quadrigemina.
Function
The pulvinar plays a significant role in language and visual processing, attention, and motor control. It is involved in the regulation of the cerebral cortex's sensory and motor functions, and it also plays a role in the integration of information from different sensory modalities.
Related Terms
- Thalamus: The part of the brain where the pulvinar is located. It is involved in sensory and motor signal relay and the regulation of consciousness and sleep.
- Corpora quadrigemina: A region located in the midbrain, immediately below the pulvinar.
- Cerebral cortex: The outer layer of the cerebrum, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.
See Also
External links
- Medical encyclopedia article on Pulvinar
- Wikipedia's article - Pulvinar
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