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Pre-emptive blood flow

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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.

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Figure 1: Behavioural modulation of blood flow.

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Authors and Affiliations

  1. 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 ,

    David A. Leopold

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  1. David A. Leopold
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Leopold, D. Pre-emptive blood flow. Nature 457, 387–388 (2009). https://doi.org/10.1038/457387a

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