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Zh Vyssh Nerv Deiat Im I P Pavlova. 1996 Sep-Oct;46(5):875-85.

[The spatial-temporal organization of the cortical potentials in freely moving rabbits during active behavior arising under the influence of intrinsic needs].

[Article in Russian]


The studies of successive momentary topograms of cortical potentials in freely moving rabbits revealed peculiarities of the regulation of the EEG spatial synchronization (SS) during rest and active phases of the basic behavioural cycle. The animal's movements of the active phase caused by intrinsic need were related to an increase in the influence of the global level fluctuations of the momentary topograms. During conditioned motor activity the topogram relief reorganization played a prominent part in the process of the SS formation. Comparison of these data allowed a conclusion that the peculiarities of the SS structure of the cortical potentials were determined by the ratio between the two processes which make up the EEG spatio-temporal organization rather than the degree of their expression. In case of the dominance of the topogram relief reorganization the state of the animal was related with the most frequently occurring topogram forms.

[Indexed for MEDLINE]

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