Spatiotemporal mapping of brain activity by integration of multiple imaging modalities.

@article{Dale2001SpatiotemporalMO,
  title={Spatiotemporal mapping of brain activity by integration of multiple imaging modalities.},
  author={Anders M. Dale and Eric Halgren},
  journal={Current opinion in neurobiology},
  year={2001},
  volume={11 2},
  pages={202-8}
}
Functional magnetic resonance imaging (fMRI) and positron emission tomography measure local changes in brain hemodynamics induced by cognitive or perceptual tasks. These measures have a uniformly high spatial resolution of millimeters or less, but poor temporal resolution (about 1s). Conversely, electroencephalography (EEG) and magnetoencephalography (MEG) measure instantaneously the current flows induced by synaptic activity, but the accurate localization of these current flows based on EEG… CONTINUE READING
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