EurekaMag.com logo
+ Site Statistics
References:
52,725,316
Abstracts:
28,411,598
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

The presynaptic mechanisms of changes in segmental reactions accompanying the formation of a spinal locomotor generator in the cat


Neirofiziologiya 18(5): 669-678
The presynaptic mechanisms of changes in segmental reactions accompanying the formation of a spinal locomotor generator in the cat
It is shown on unanesthetized immobilized decorticated cats that spinalization of the animal leads to depolarization of the central afferent terminals, decrease of early polysynaptic responses in motoneurons and dorsal root potentials (DRP) evoked by stimulation of the low-threshold cutaneous and muscle afferents, increase of early polysynaptic responses and DRP evoked by stimulation of high-threshold muscle afferents, reduction in the activity of intermediate nucleus interneurons mono- and polysynaptically connected with primary afferents, rise of the activity of interneurons di- and oligosynaptically connected with primary afferents. Injection of DOPA into spinal animals leads to opposite changes. Dependence between changes in the state of segmental neuronal apparatus and the level of spinal locomotor generator activity are discussed on the basis of the data obtained.


Accession: 006740098



Related references

Presynaptic mechanisms of the change in segmental responses accompanying the formation of the spinal locomotor generator in the cat. Neirofiziologiia 18(5): 669-678, 1986

The role of presynaptic inhibition in coordination of activity of the spinal half-centres of the walking generator during spontaneous and controlled locomotor movements in decerebrated cats. Taguchi, K [Editor], Igarashi, M [Editor], Mori, S [Editor] International Congress Series; Vestibular and neural front 553-556, 1994

A model fo the spinal locomotor generator in the cat. Journal of physiology: 269 (1) 20P-22P, 1977

A model of the spinal locomotor generator in the cat. Journal of Physiology 269(1): 20p-22p, 1977

Model of spinal locomotor generator of quadrupedals. Kosmos (Warsaw): 344: 623-646, 1985

Mechanisms of supraspinal correction of locomotor activity generator. Neuroscience 52(2): 323-332, 1993

Changes in presynaptic processes during tonic subthreshold activation of spinal scratching generator in cat. Neirofiziologiya 19(2): 236-243, 1987

Presynaptic inhibitory actions of pregabalin on excitatory transmission in superficial dorsal horn of mouse spinal cord: further characterization of presynaptic mechanisms. Neuroscience Letters 558: 186-191, 2014

A case of segmental myoclonus in amputation stump Evidence for spinal generator. Journal of the Neurological Sciences 150(SUPPL ): S180, 1997

Extent and role of multisegmental coupling in the Lamprey spinal locomotor pattern generator. Journal of Neurophysiology 83(1): 465-476, 2000