Lundy-Ekman Chapter 11: Central Somatosensory System

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10 Terms

1
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dorsal column/medial lemniscus pathway

Skin receptors, dorsal root ganglion, ipsilateral dorsal column, medulla (crosses to contralateral side), thalamus, primary somatosensory cortex

2
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Dorsal column/medial lemniscus type of information

Conveys light touch and conscious proprioception

3
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spinothalamic pathway

Skin receptors, dorsal root ganglion, dorsal horn (crosses), spinothalamic tract, thalamus, primary and secondary sensory cortex

4
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spinothalamic pathway type of information

Nociception, temperature, and crude touch information

5
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spinoreticular tract pathway

Receptors, dorsal root ganglion, dorsolateral tract, interneurons in dorsal horn (crosses), spinoreticular tract, reticular formation in brainstem, thalamus

6
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spinoreticular tract type of information

Pain

7
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posterior spinocerebellar pathway

Receptors, dorsal column, spinocerebellar tract, ipsilateral cerebellum

8
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Posterior spinocerebellar type of information

Conveys postural adjustments from proprioceptors

9
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Anterior spinocerebellar pathway

Receptors, thoracolumbar gray matter, contralateral anterior tract, midbrain (divides and RECROSSES midline), cerebellum

10
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Anterior spinocerebellar type of information

Conveys unconscious proprioception