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March 1968

Cerebrale Durchblutung und elektrische Hirnaktivität.

Arch Neurol. 1968;18(3):334-335. doi:10.1001/archneur.1968.00470330124020

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This short book describes the results of cerebral blood flow measurements on rabbits, cats, and dogs. An attempt was made to unravel the relation of blood flow to functional activity of neurons judged from electroencephalographic recordings. The three animal species were chosen because of differences in their cerebral vascular anastomoses, and the methods used to study blood flow were adapted to these anatomical differences. The author is well aware that his results may not be relevant to blood flow in man. The techniques used in this study are acceptable to physiologists, and cautious conclusions are drawn. The results suggest that autoregulation of the cerebral blood vessels contrary to other vascular beds is extremely labile. Further evidence is given to support the concept that the magnitude of the total cerebral blood flow is only a partial indication of local flow in specific areas of the brain and, conversely, that observation of

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