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  • Fahmeed Hyder, Anant B Patel, Albert Gjedde, Douglas L. Rothman, Kevin L. Behar, Robert G. Shulman
  • Biology, Medicine
  • Journal of cerebral blood flow and metabolism…
  • 2006 (First Publication: 1 July 2006)
  • Prior 13C magnetic resonance spectroscopy (MRS) experiments, which simultaneously measured in vivo rates of total glutamate-glutamine cycling (Vcyc(tot)) and neuronal glucose oxidation (CMRglc(ox),Expand
  • Arien J. Smith, Hal Blumenfeld, Kevin L. Behar, Douglas L. Rothman, Robert G. Shulman, Fahmeed Hyder
  • Medicine, Chemistry
  • Proceedings of the National Academy of Sciences…
  • 2002 (First Publication: 19 July 2002)
  • Functional MRI (fMRI) is widely assumed to measure neuronal activity, but no satisfactory mechanism for this linkage has been identified. Here we derived the changes in the energetic component fromExpand
  • Gj McCarthy, A. M. Blamire, +5 authors Robert G. Shulman
  • Psychology, Medicine
  • Proceedings of the National Academy of Sciences…
  • 1994 (First Publication: 30 August 1994)
  • High-speed magnetic resonance (MR) imaging was used to detect activation in the human prefrontal cortex induced by a spatial working memory task modeled on those used to elucidate neuronal circuitsExpand
  • Ikuhiro Kida, Douglas L. Rothman, Fahmeed Hyder
  • Biology, Medicine
  • Journal of cerebral blood flow and metabolism…
  • 2007 (First Publication: 1 April 2007)
  • Changes in cerebral blood flow (CBF), volume (CBV), and oxygenation (blood-oxygenation level dependent (BOLD)) during functional activation are important for calculating changes in cerebral metabolicExpand