The Somatosensory System

作者: Hans J. ten Donkelaar , Antoine Keyser , Peter van Domburg

DOI: 10.1007/978-3-642-19134-3_4

关键词: LemniscusNeuroscienceTrigeminal nerveNociceptorSomatosensory systemSensationAfferent PathwaySomatosensory evoked potentialMedicineSensory system

摘要: The somatosensory system has by far the largest number of receptor types any primate sensory systems, including mechanoreceptors, chemoreceptors, nociceptors and thermoreceptors. sensation touch is mainly mediated but there are a other processing channels within for proprioception, pain temperature. classic view two independent information from trunk extremities, i.e. dorsal column-medial lemniscus tactile sensitivity position sense anterolateral or spinothalamic temperature sensitivity, been modified through discovery additional spinal pathways transmission impulses to brain (Willis Coggeshall 1991) new views on mechanisms. Somatosensory face transmitted via trigeminal nerve. Pain conventionally viewed as submodality cutaneous sensation. Functional, anatomical imaging data suggest that conveyed specific ­sensory ascend in central homeostatic afferent pathway (Craig 2003a, b).

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