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Effects of Partial Spinal Cord Injuries on the Functional Connectivity of the Primate Brain

Effects of Partial Spinal Cord Injuries on the Functional Connectivity of the Primate Brain

Paperback

Medical Reference

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ISBN13: 9798224283798
Publisher: Mohammed Abdul Sattar
Published: Jan 23 2024
Pages: 210
Weight: 1.10
Height: 0.44 Width: 8.50 Depth: 11.00
Language: English

The somatosensory system, one of the five main sensory systems in our body enables perception through touch, to help decipher the shape and texture of the objects, and know about the relative position of our body parts. It also helps avoid noxious stimuli by analysing the information about temperature and pain. The system comprises of three major ascending sensory pathways: the anterolateral or spinothalamic system (ALS), the dorsal column-medial lemniscal pathway (DCML), and the somatosensory pathways to cerebellum. These sensory pathways differ in the functional component of the mechanosensory information from the cutaneous and deep mechanoreceptors that is conveyed. The anterolateral system is further subdivided into two components, the lateral pathway that conveys pain and temperature information, and anterior tracts that convey crude touch and pressure. The DCML system carries inputs that enable sensations of fine touch, vibration, two point discrimination and proprioceptive information about joint position and movement. The spinocerebellar pathways carry proprioceptive inputs, pain and pressure information. These ascending pathways convey the tactile and other somatosensory information to multiple nuclei in the brainstem and thalamus, which further ascends to the primary sensory areas in the post central gyrus, and further to the higher order association cortices in the parietal lobe and upper bank of the lateral sulci.

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