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Science 12 November 1965:
Vol. 150. no. 3698, pp. 912 - 913
DOI: 10.1126/science.150.3698.912
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Articles

Elevation in Brain Temperature during Paradoxical Sleep

Hiroshi Kawamura 1 and Charles H. Sawyer 1

1 Department of Anatomy and Brain Research Institute, University of California, Los Angeles

During ordinary sleep, the temperature of the rabbit brain tended to drop, but during paradoxical sleep it rose sharply 0.1° to 0.4°C, a greater elevation than was observed during arousal. Changes in body temperature generally did not parallel the alterations in brain temperature. Shifts of direct-current potential in the brain are basically independent of the changes in brain temperature.


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