Major Ascending Sensory Pathways

Major Ascending - Dorsal column – medial lemniscus Modalities Pain thermal crude touch Tactile proprioception(of arm only Location in spinal cord

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Major Ascending Sensory (Afferent) Pathways The Dorsal Column – Medial Lemniscal (DCML) System: fine touch, vibration, proprioceptive information; tactile sensation and limb proprioception (mechanoreceptive sensations only); rapid transmission of the afferent signals Anterolateral System: major sensory pathway for pain and temperature sensations, slow transmission of afferent signals Spinothalamic tract: fast pain; spinal cord Spinoreticular tract: slow pain, medulla Spinotectal tract: slow pain, midbrain Lateral pathway: pain, temperature, crude touch Anterior pathway: light touch, pressure Anterolateral
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Dorsal column – medial lemniscus Modalities Pain, thermal, crude touch Tactile, proprioception (of arm only) Location in spinal cord Anterolateral column Dorsal column Level of decussation Spinal cord Medulla Brain stem terminations Brain stem reticular formation, midbrain tectal region, ventral posterior nuclear group of thalamus, intralaminar nuclei Ventral posterior lateral nucleus and posterior nuclear group of thalamus Cortical terminations Primary and secondary somatic sensory cortices and posterior parietal cortex Primary and secondary somatic sensory cortices and posterior parietal cortex...
View Full Document

This note was uploaded on 04/23/2011 for the course BIME 2102 taught by Professor Kim during the Spring '11 term at UVA.

Ask a homework question - tutors are online