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Digitale Medien

Plate Tectonics of the Red Sea and East Africa (1970)

MCKENZIE, D. P. ; DAVIES, D. ; MOLNAR, P.

[s.l.] : Nature Publishing Group

Nature 226 (1970), S. 243-248

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik

Notizen: [Auszug] The relative motion between the plates on each side of the East African Rift Valley can be obtained from the opening of the Red Sea and the Gulf of Aden. The calculated direction of relative motion agrees well with fault plane solutions for earthquakes north of the ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/226243a0

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Digitale Medien

The nature of the paradoxical phase of sleep (1970)

Oniani, T. N. ; Molnar, P. ; Naneishvili, T. L.

Springer

Neuroscience and behavioral physiology 4 (1970), S. 1-7

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ISSN: 1573-899X

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Summary 1. Paradoxical sleep is a complex phenomenon which can be divided into three stages: 1) the stage of general activation, or desynchronization of slow activity in all areas of the brain, 2) the stage of predominance of the hippocampal δ-rhythm and 3) the stage of predominance of the hippocampal ϕ-rhythm. These stages are considered to have their neurophysiological mechanisms subcortically. The stage of general activation would be determined by excitation of the reticular formation, the stage of hippocampal ϕ-rhythm by excitation of the hippocampal centers of motivation, and the stage of hippocampal δ-rhythm by excitation of the hypothalamic centers causing inhibition of drives.