G M Gruzdev

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Extracellular recording from the caudate nucleus neurons was performed in experiments on immobilized cats during paired stimulation of anterior sigmoideus and middle suprasylvius gyri. The findings indicate that the two cortical areas influence these neurons, the motor cortex having a greater influence on caudate neurons than the association cortex. The(More)
Background and evoked activities of the caudate neurons were recorded extracellularly in acute experiments on cats. Different forms of potentials were observed in background and evoked activity. They could be divided into three types: (a) simple full size action potentials; (b) prepotentials characterized by smaller amplitudes and slower decrement; (c)(More)
Background activity recorded extracellularly from the caudate nucleus neurons was analyzed in immobilized cats. Experimental data processing included the plotting of average frequency curves, interspike interval histograms, intensity functions, correlograms and association histograms. The frequency of the background activity in different caudate neurons(More)
Unitary responses of the caudate nucleus to stimulation of various parts of it were investigated by extracellular recording. Latent periods of response discharges varied from 3.5 to 40 msec. Most neurons were excited by stimulation of the most rostral part of the head of the caudate nucleus. Irrespective of the site of stimulation, in most cases responses(More)
Extracellular recording from the caudate nucleus neurons were performed in experiments on immobilized cats during electrical stimulation of different parts of the same nucleus. Latencies varied from 3.5 to 40 msec. Most neurons could be excited by stimulation of the most rostral part of the caudate nucleus head. In most cases responses were independent of(More)
In experiments on immobilized cats extracellular responses of caudate nucleus neurons were recorded during electrical stimulation of anterior sigmoideus and suprasylvius gyri. In the first set of experiments performed on cats with an intact thalamus the responses to stimulation of both cortical areas represented initial excitation (sometimes absent)(More)