RT Book, Section SR Print(0) ID 1101679414 T1 The Somatosensory System: Receptors and Central Pathways T2 Principles of Neural Science, Fifth Edition YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 978-0-07-139011-8 LK neurology.mhmedical.com/content.aspx?aid=1101679414 RD 2024/10/06 AB The Primary Sensory Neurons of the Somatosensory System Are Clustered in the Dorsal Root GangliaPeripheral Somatosensory Nerve Fibers Conduct Action Potentials at Different RatesMany Specialized Receptors Are Employed by the Somatosensory SystemMechanoreceptors Mediate Touch and ProprioceptionProprioceptors Measure Muscle Activity and Joint PositionsNociceptors Mediate PainThermal Receptors Detect Changes in Skin TemperatureItch Is a Distinctive Cutaneous SensationVisceral Sensations Represent the Status of Various Internal OrgansSomatosensory Information Enters the Central Nervous System Through Cranial and Spinal NervesSomatosensory Information Flows from the Spinal Cord to the Thalamus Through Parallel PathwaysThe Dorsal Column–Medial Lemniscal System Relays Tactile and Proprioceptive InformationThe Spinothalamic System Conveys Noxious, Thermal, and Visceral InformationThe Thalamus Has a Number of Specialized Somatosensory RegionsThe Ventral Posterior Nucleus Relays Tactile and Proprioceptive InformationNoxious, Thermal, and Visceral Information Is Processed in Several Thalamic NucleiAn Overall View