PULVINARS Meaning and
Definition
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Pulvinars, also known as pulvinar nuclei, refers to a set of nuclei located within the thalamus, a major relay center in the brain. These structures are part of the posterior thalamic complex and are mainly found in the lateral posterior group of nuclei.
The pulvinars are characterized by their unique structure and extensive connectivity with other brain regions, particularly the cerebral cortex. They consist of a collection of small, distinct nuclei that are arranged in a curved pattern. Each nucleus within the pulvinar has specific connections to various cortical areas, facilitating bidirectional communication between the thalamus and the cortex.
The primary function of the pulvinars is to integrate and process sensory information from multiple sensory modalities, such as vision, audition, and somatosensation. They receive input from different sensory pathways, including the visual, auditory, and somatosensory areas of the cortex, and play a crucial role in coordinating the transmission of sensory signals to the appropriate cortical regions for further processing.
Additionally, the pulvinars are involved in modulating attention, orienting responses, and directing visual gaze. They contribute to the selection and prioritization of sensory stimuli based on their behavioral relevance. The pulvinar's rich connectivity with other brain regions, including the superior colliculus and prefrontal cortex, enables its involvement in the control of visual attention and the integration of sensory and motor information.
In summary, the pulvinars are a set of distinct nuclei located in the thalamus that play an essential role in sensory processing, attentional control, and the coordination of sensory-motor integration in the brain.
Common Misspellings for PULVINARS
- oulvinars
- lulvinars
- -ulvinars
- 0ulvinars
- pylvinars
- phlvinars
- pjlvinars
- pilvinars
- p8lvinars
- p7lvinars
- pukvinars
- pupvinars
- puovinars
- pulcinars
- pulbinars
- pulginars
- pulfinars
- pulvunars
- pulvjnars
- pulvknars
Etymology of PULVINARS
The word "Pulvinars" comes from the Latin term "pulvinaris", which means "cushioned" or "soft". It is derived from the Latin word "pulvinus", which translates to "cushion" or "pillow". In ancient Roman culture, "pulvinars" referred to the cushioned couches or beds used by wealthy individuals during banquets or festivals. The term is often associated with pulvinar seats in the Circus Maximus, where Roman emperors, including Julius Caesar, would watch chariot races and other public spectacles.
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