Activation of the human posterior parietal cortex by median nerve stimulation

@article{Forss1994ActivationOT,
  title={Activation of the human posterior parietal cortex by median nerve stimulation},
  author={Nina Forss and Riitta Hari and Riitta Salmelin and Antti Ahonen and Matti H{\"a}m{\"a}l{\"a}inen and Matti Kajola and J E Knuutila and Jaana Simola},
  journal={Experimental Brain Research},
  year={1994},
  volume={99},
  pages={309-315}
}
We recorded somatosensory evoked magnetic fields from ten healthy, right-handed subjects with a 122-channel whole-scalp SQUID magnetometer. The stimuli, exceeding the motor threshold, were delivered alternately to the left and right median nerves at the wrists, with interstimulus intervals of 1, 3, and 5 s. The first responses, peaking around 20 and 35 ms, were explained by activation of the contralateral primary somatosensory cortex (SI) hand area. All subjects showed additional deflections… CONTINUE READING
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