%0 Journal Article %T Noninvasive brain function measurement system: optical topography %A Yamamoto, Tsuyoshi %A Tanikawa, Yukari %A Koizumi, Hideaki %J Proceedings of SPIE %V 4250 %N 1 %P 339-350 %@ 0277-786X %D 2001-06-29 %I SPIE %~ DeepDyve