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  • Title: [Statistical analysis of interneuronal functional connections during conditioned reflex elaboration].
    Author: Merzhanova GKh, Varashkevich SA, Dorokhov VB.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1981; 31(5):950-9. PubMed ID: 7314915.
    Abstract:
    A milk conditioned reflex to a low frequency electrical stimulation of the visual pathways was elaborated in cats. Multineuronal activity in the visual and sensorimotor cortical areas was recorded in the chronic experiment. Statistical analysis of interneuronal intraanalyser and interanalyzer connections was made by constructing crosscorrelograms on the "Plurimat-C" computer. Comparison of the results of the interneuronal interaction in untrained and trained cats has shown an increase of one-way and two-way connections of both the intraanalyser and interanalyser types. Neurones with medium amplitude spikes changed their net properties more than other units acquiring ingoing and outgoing connections in both studied areas of the learned animals. Acquisition was achieved in all the neurones mainly due to increased number of connections from the sensorimotor analyser to the visual one. The problems of formation of backward conditioned connections and "local" conditioned reflex are discussed.
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