A measuredd look at neuronal oxygen consumption

Do activated neurons in the brain increase their metabolic activity and consume more oxygen? Mayhew discusses new work (Thompson et al.) demonstrating that local tissue oxygen content is briefly reduced following stimulation of the cat visual cortex. This implies that activated neurons do increase t...

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Bibliographic Details
Published in:	Science (American Association for the Advancement of Science) Vol. 299; no. 5609; pp. 1023 - 1024
Main Author:	Mayhew, John E W
Format:	Journal Article
Language:	English
Published:	Washington The American Association for the Advancement of Science 14-02-2003
Subjects:	Brain Light Metabolism Neurons Oxygen Spectroscopy Stimuli
Online Access:	Get full text
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Summary:	Do activated neurons in the brain increase their metabolic activity and consume more oxygen? Mayhew discusses new work (Thompson et al.) demonstrating that local tissue oxygen content is briefly reduced following stimulation of the cat visual cortex. This implies that activated neurons do increase their consumption of oxygen. Changes in blood oxygenation are the primary intrinsic signals underlying BOLD fMRI imaging of brain activity.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0036-8075 1095-9203