Brain computer interface using fMRI: spatial navigation by thoughts

  • Yoo S
  • Fairneny T
  • Chen N
 et al. 
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Abstract

A brainΓÇôcomputer interface (BCI) is a way of conveying an individual's thoughts to control computer or electromechanical hardware. Capitalizing on the ability to characterize brain activity in a reproducible manner, we explored the possibility of using real-time fMRI to interpret the spatial distribution of brain function as BCI commands. Using a high-field (3ΓÇëT) MRI scanner, brain activities associated with four distinct covert functional tasks were detected and subsequently translated into predetermined computer commands for moving four directional cursors. The proposed fMRI-BCI method allowed volunteer subjects to navigate through a simple 2D maze solely through their thought processes.

Author-supplied keywords

  • Biofeed
  • Cognition
  • Imagery
  • Mental task
  • Rehabilitation
  • fMRI

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Authors

  • Seung-Schik Yoo

  • Ty Fairneny

  • Nan-Kuei Chen

  • Seh-Eun Choo

  • Lawrence P Panych

  • HyunWook Park

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