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Keywords:

  • 2-deoxy-D-glucose;
  • biomedical imaging;
  • classical conditioning;
  • fear;
  • fMRI;
  • functional imaging;
  • Hermissenda;
  • learning;
  • memory;
  • neural networks;
  • neuroanatomy;
  • neuroimaging;
  • PET;
  • PKC;
  • rabbit;
  • rat

Abstract

The search for the biological basis of learning and memory has, until recently, been constrained by the limits of technology to classic anatomic and electrophysiologic studies. With the advent of functional imaging, we have begun to delve into what, for many, was a “black box.” We review several different types of imaging experiments, including steady state animal experiments that image the functional labeling of fixed tissues, and dynamic human studies based on functional imaging of the intact brain during learning. The data suggest that learning and memory involve a surprising conservation of mechanisms and the integrated networking of a number of structures and processes. Anat Rec (New Anat) 265:257–273, 2001. © 2001 Wiley-Liss, Inc.