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Functional MRI today.

Peter Bandettini1

  • 1Section on Functional Imaging Methods, Laboratory of Brain and Cognition, National Institute of Mental Health, Bethesda, MD 20892, USA. bandettini@nih.gov

International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology
|July 18, 2006
PubMed
Summary
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Functional MRI (fMRI) research is advancing rapidly in technology and understanding. The field is exploring its ultimate limits and undergoing fundamental changes in methodology and processing.

Area of Science:

  • Neuroimaging
  • Brain Imaging Techniques

Background:

  • Functional MRI (fMRI) has seen continuous growth since its inception in 1991.
  • Increasing numbers of researchers, publications, and abstracts indicate fMRI's progress.

Purpose of the Study:

  • To provide a snapshot of fMRI status at the end of 2005.
  • To assess the progress and identify fundamental changes in fMRI methodology and processing.

Main Methods:

  • Review of fMRI advancements in technology, methodology, and signal physiology.
  • Analysis of the widening applications of fMRI.

Main Results:

  • fMRI technology and methodology have advanced in robustness and sophistication.
  • Understanding of fMRI signal physiology has improved.

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  • Applications are expanding, though clinical integration is limited.

    • Conclusions:

    • The field of fMRI is progressing beyond incremental improvements.
    • Fundamental changes in fMRI methodology and processing are emerging as the field matures.
    • The ultimate theoretical and practical limits of fMRI are being investigated.