May 1, 1977

Effect of motor training on evoked potentials and synaptic organization of sensomotor cortex neurons in rats during ontogenesis

Zhurnal vyssheĭ nervnoĭ deiatelnosti imeni I P Pavlova
I A Shimko, L F Ivlieva

Abstract

A 30-day motor training of rats started at a month's age does not reduce the duration of the excitability recovery cycles of neuronal populations in the sensorimotor cortex. A three-month training is accompanied by a considerable reduction of excitability recovery cycles. This coincides with a pronounced increase of the average density of spines on the apical and oblique dendrite branches of the pyramidal cells in the cortical layer V, which exceeds that observed after a 30-day locomotor training. In 30 days, the rats with a three-month training reveal a partial recovery of functional and structural parameters, and in two months, approach their initial values.

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Mentioned in this Paper

Cortex Bone Disorders
Adrenal Cortex Diseases
Neurons
Internal Pyramidal Layer of Cerebral Cortex
Sensorimotor Cortex
Structure of Cortex of Kidney
Neuronal
Evoked Potentials
Potentials, Event-Related
Pyramidal Cells

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