Functional topography of the secondary somatosensory cortex for nonpainful and painful stimuli: an fMRI study.

@article{Ferretti2003FunctionalTO,
  title={Functional topography of the secondary somatosensory cortex for nonpainful and painful stimuli: an fMRI study.},
  author={Antonio Ferretti and Claudio Babiloni and Cosimo Del Gratta and Massimo Caulo and Armando Tartaro and Lorenzo Bonomo and Paolo Maria Rossini and Gian Luca Romani},
  journal={NeuroImage},
  year={2003},
  volume={20 3},
  pages={1625-38}
}
The regional activity of the contralateral primary (SI) and the bilateral secondary (SII) somatosensory areas during median nerve stimulations at five intensity levels (ranging from nonpainful motor threshold to moderate pain) was studied by means of functional magnetic resonance imaging (fMRI). The aim was to characterize the functional topography of SII compared to SI as a function of the stimulus intensity. Results showed that the galvanic stimulation of the median nerve activated the… CONTINUE READING

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