Bereitschaftspotentials recorded from the lateral part of the superior frontal gyrus in humans

Shinji Ohara, Akio Ikeda, Masao Matsuhashi, Takeshi Satow, Takeharu Kunieda, Nobuhiro Mikuni, Koichi Baba, Tadahiro Mihara, Susumu Miyamoto, Hiroshi Shibasaki

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


To demonstrate the Bereitschaftspotentials (BPs) over the high lateral convexity in the superior frontal gyrus, movement-related cortical potentials with respect to the middle finger extension were recorded in seven patients with refractory epilepsy who underwent subdural implantation of platinum electrode grids and/or strips covering the high lateral frontal convexity. In two out of the seven patients, BPs were recorded from the electrodes placed on the superior frontal gyrus in the vicinity of the border between the medial and lateral frontal lobes, which were distinct from those recorded from the primary sensorimotor cortex. The results suggest the possible contribution of either the lateral dorsal non-primary motor area or the SMA to the generation of the BPs.

Original languageEnglish (US)
Pages (from-to)1-5
Number of pages5
JournalNeuroscience Letters
Issue number1-2
StatePublished - May 15 2006
Externally publishedYes


  • Bereitschaftspotential
  • Epicortical recording
  • Superior frontal gyrus
  • Supplementary motor area

ASJC Scopus subject areas

  • Neuroscience(all)


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