Evidence for a wide distribution of negative motor areas in the perirolandic cortex. - Mikuni,N.; Shinji Ohara,S.; Ikeda,A.; Hayashi,H.; Nishida,N.; Taki,J.; Enatsu,R.; Matsumoto,R.; Shibasaki,H.; Hashimoto,N. (Clin Neurophysiol, 2006)