Glucose and oxygen metabolism are tightly coupled in the human brain, with the preponderance of the brain’s glucose supply used to generate ATP via oxidative phosphorylation. A fraction of glucose is consumed outside of oxidative phosphorylation despite the presence of sufficient oxygen to do so. We refer to this process as aerobic glycolysis. A recent positron emission tomography study reported that aerobic glycolysis is uniform within gray matter. Here, we analyze the same data and demonstrate robust regional differences in aerobic glycolysis within gray matter, a finding consistent with previously published data.

Original languageEnglish
Pages (from-to)2096-2102
Number of pages7
JournalJournal of Cerebral Blood Flow and Metabolism
Issue number10
StatePublished - Oct 1 2019


  • Brain imaging
  • energy metabolism
  • glucose
  • metabolism
  • positron emission tomography


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