Variability in fMRI: an examination of intersession differences.

  title={Variability in fMRI: an examination of intersession differences.},
  author={David J. McGonigle and Alistair M. Howseman and Bal Athwal and Karl J. Friston and Richard S. Frackowiak and Andrew P. Holmes},
  volume={11 6 Pt 1},
The results from a single functional magnetic resonance imaging session are typically reported as indicative of the subject's functional neuroanatomy. Underlying this interpretation is the implicit assumption that there are no responses specific to that particular session, i.e., that the potential variability of response between sessions is negligible. The present study sought to examine this assumption empirically. A total of 99 sessions, comprising 33 repeats of simple motor, visual, and… CONTINUE READING
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