Effects of interstimulus interval on somatosensory evoked magnetic fields (SEFs): a hypothesis concerning SEF generation at the primary sensorimotor cortex.

@article{Wikstrm1996EffectsOI,
  title={Effects of interstimulus interval on somatosensory evoked magnetic fields (SEFs): a hypothesis concerning SEF generation at the primary sensorimotor cortex.},
  author={Heidi Wikstr{\"o}m and Juha Huttunen and Antti Korvenoja and Juha Virtanen and Oili Salonen and Hannu J. Aronen and Risto J. Ilmoniemi},
  journal={Electroencephalography and clinical neurophysiology},
  year={1996},
  volume={100 6},
  pages={
          479-87
        }
}
Cerebral responses evoked by peripheral stimuli are known to depend critically on the interstimulus interval (ISI). Here we report on the effects of ISI on somatosensory evoked magnetic fields (SEFs) to right median nerve stimulation, obtained in 9 healthy adults with ISIs of 0.15 0.3, 1,3 and 5 s. At the contralateral (left) primary sensorimotor cortex (SMI), the first cortical response, N20m, was stable between the ISIs 0.3 and 5 s, but slightly attenuated at the shortest ISI of 0.15 s. In… CONTINUE READING
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