Behind the scenes of functional brain imaging: a historical and physiological perspective.

  • Marcus E. Raichle
  • Published 1998 in
    Proceedings of the National Academy of Sciences…

Abstract

At the forefront of cognitive neuroscience research in normal humans are the new techniques of functional brain imaging: positron emission tomography and magnetic resonance imaging. The signal used by positron emission tomography is based on the fact that changes in the cellular activity of the brain of normal, awake humans and laboratory animals are… (More)

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