Brain Machine-Interfaces for Motor and Communication Control

  • Masayuki Hirata


The brain-machine interface (BMI) is a technology which enables our brains to control external devices or to obtain sensory information by directly communicating with computers. BMIs are classified into two types: invasive type which uses intracranial electrodes, such as needle microelectrodes and brain surface electrodes, and noninvasive type which uses skin electrodes, near infrared spectroscopy, and etc. Noninvasive BMIs are promising for neurorehabilitation, while invasive BMIs are promising for neural prostheses for severely disabled people. BMIs using needle microelectrodes are characterized by high performance utilizing its detailed neural information, while BMIs using brain surface electrodes are noted for the high feasibility for clinical application based on its long term stability. We describe our development of a BMI using brain surface electrodes. It enables real time control of a robotic arm and a fully-implantable wireless system.


Brain machine interface Functional restoration Electrocorticogram Robot Implant 



This work was partly supported by a grant for “Brain Machine Interface Development” from the Strategic Research Program for Brain Sciences of MEXT, and a Health Labour Sciences Research Grant (23100101) from the Ministry of Health, Labour, and Welfare of Japan. We would like to thank Toshiki Yoshimine, Takufumi Yanagisawa, Hisato Sugata, Morris Shayne, Takashi Moriwaki (Osaka Univ.), Yukiyasu Kamitani (ATR), and Hiroshi Yokoi (Univ. Electro. Com.). We would also like to thank Takafumi Suzuki, Hiroshi Ando (NICT), Takeshi Yoshida (Hiroshima Univ.), Fumihiro Sato (Tohoku Univ.), Yukio Nishimura, Tatsuya Umeda (NINS), Atsushi Iwata (A-R-Tec Corp), Shinichi Morikawa (Unique Medical), Naohiro Hayaishi (Keisuugiken Corp), Shinichi Yoshimura, Shuhei Kosaka (Aska Electric Co Ltd), and Hirofumi Itoh (Junkosha Inc), for prototype manufacturing of our implantable system. Our appreciation also goes to VLSI Design and Education Center (VDEC), University of Tokyo, for offering the chip fabrication program.


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Copyright information

© Springer Japan 2016

Authors and Affiliations

  1. 1.Graduate School of MedicineOsaka UniversitySuitaJapan

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