Pre-emptive blood flow

David A. Leopold
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David A. Leopold: David A. Leopold is in the Unit on Cognitive Neurophysiology and Imaging, Laboratory of Neuropsychology, National Institute of Mental Health, Bethesda, Maryland 20892, USA. leopoldd@mail.nih.gov

Nature, 2009, vol. 457, issue 7228, 387-388

Abstract: Electrical signalling among brain cells summons the local delivery of extra blood — the basis of functional brain imaging. Yet sometimes, blood is sent in anticipation of neural events that never take place.

Date: 2009
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DOI: 10.1038/457387a

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