Different Distribution of the Activated Areas in the Dorsal Premotor Cortex during Visual and Auditory Reaction-Time Tasks. - Motoaki Sugiura; Ryuta Kawashima; Toshimitsu Takahashi; Ruiting Xiao; Takashi Tsukiura; Kazunori Sato; Kenji Kawano; Toshio Iijima; Hiroshi Fukuda (NeuroImage, 2001)