Title: Observations on the role of afferent and descending impulses on the spontaneous potentials of the spinal cord
Abstract: 1. Changes in the spinal electrogram of cats were studied as a function of spinal cord transection under ether and Nembutal, and as a function of spinal cord isolation (i.e., complete dorsal root interruption to a segment of cord between two spinal cord transections). 2. Animals with spinal cords transected under ether showed an average increase in amplitude of 33 per cent in 9 out of 12 animals transected. 3. Animals with spinal cords transected under Nembutal anaesthesia showed no marked change in spinal electrogram. 4. Activation of the nearly isolated spinal cord by stimulations of a single intact dorsal rootlet is demonstrated. 5. Isolated spinal cord segments continued to generate the spinal electrogram at a reduced amplitude in both acute and chronic animals. 6. Histological sections of the isolated spinal cord segments are reviewed.
Publication Year: 1953
Publication Date: 1953-05-01
Language: en
Type: article
Indexed In: ['crossref', 'pubmed']
Access and Citation
Cited By Count: 25
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