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  • Title: Activation of human mesial cortex during somatosensory target detection task.
    Author: Forss N, Merlet I, Vanni S, Hämäläinen M, Mauguière F, Hari R.
    Journal: Brain Res; 1996 Sep 23; 734(1-2):229-35. PubMed ID: 8896829.
    Abstract:
    We recorded somatosensory evoked fields (SEFs) from 10 healthy subjects to ulnar and median nerve stimuli presented at random intervals of 2.4-21.6 s. The subjects either counted the stimuli or ignored them by reading a book. The stimuli activated in both conditions the contralateral SI cortex, the ipsi- and contralateral SII cortices, and the posterior parietal cortex (PPC), in line with earlier observations. In addition, a novel response was observed in nine subjects at 120-160 ms. It was clearly enhanced by attention and was generated in the mesial cortex of the paracentral lobule, close to the end of the central sulcus.
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