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  • Title: [Neurophysiologic analysis of activation spontaneously developing in Rana temporaria frogs against a background of primary sleep].
    Author: Lazarev SG.
    Journal: Zh Evol Biokhim Fiziol; 1978; 14(5):507-10. PubMed ID: 309699.
    Abstract:
    The presence of spike-like activity against the background of the primary sleep EEG is described in the frog. Patterns of amplitude--frequency spectra computed for parts of the EEG with this activity differ from those computed for the typical EEG of the primary sleep, but have much in common with the spectra of wakefulness EEG. The point of view suggested by I. Karmanova [8] about functional role of different forms of activation arising against the background of the primary sleep in poikilotherms as possible precursors of paradoxical sleep in homoiotherms is confirmed.
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