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  • Title: [Formation of linear relations of potentials in the dog neocortex in a dynamic stereotype].
    Author: Dumenko VN.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1975; 25(5):925-33. PubMed ID: 1239884.
    Abstract:
    During elaboration of a stereotype system of defensive conditioned reflexes in dogs (Pavlov dynamic stereotype), a correlation spectral analysis was made of electrical activity in the neocortex. With a stable dynamic stereotype, substantial changes of background electrical activity were observed in the interstimuli periods, manifested in a significant growth of linear relations of cortical potentials at certain frequencies. This was expressed in separation from the wide-band random process (involving background activity before the formation of the dynamic stereotype) of definite, relatively narrow ranges of frequencies which formed the high coherence of the processes. No such changes of electrical activity were observed in conditioning without a stereotype; this points to special mechanisms of the dynamic stereotype, which differ from those of ordinary conditioned reflexes.
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