PerspectiveNeuroscience

The Brain's Dark Energy

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Science  24 Nov 2006:
Vol. 314, Issue 5803, pp. 1249-1250
DOI: 10.1126/science. 1134405

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Summary

Much of the brain's enormous energy consumption is unaccounted for by its responses to external stimuli. What is this energy used for, and how do we study it?