Norimasa Ejima
3 Papers
1 Citations
Norimasa Ejima is an academic researcher. The author has contributed to research in topics: Transcranial magnetic stimulation & Ventral striatum. The author has an hindex of 2, co-authored 3 publications.
Chat about Author
Papers
Endogenous dopamine release induced by repetitive transcranial magnetic stimulation over the primary motor cortex: an [11C]raclopride positron emission tomography study in anesthetized macaque monkeys.
Takashi Ohnishi,Takuya Hayashi,Shingo Okabe,Ikuo Nonaka,Hiroshi Matsuda,Hidehiro Iida,Etsuko Imabayashi,Hiroshi Watabe,Yoshihiro Miyake,Mikako Ogawa,Noboru Teramoto,Yoichirou Ohta,Norimasa Ejima,Tohru Sawada,Yoshikazu Ugawa +14 more
TL;DR: The results suggest that therapeutic mechanisms of rTMS may be explained in part by an activation of the mesolimbic dopaminergic pathway, which plays critical roles in rewards, reinforcement, and incentive motivation.
108
Long-term effect of motor cortical repetitive transcranial magnetic stimulation induces
Takuya Hayashi,Takashi Ohnishi,Shingo Okabe,Noboru Teramoto,Yukio Nonaka,Hiroshi Watabe,Etsuko Imabayashi,Yoichiro Ohta,Hiroshi Jino,Norimasa Ejima,Tohru Sawada,Hidehiro Iida,Hiroshi Matsuda,Yoshikazu Ugawa +13 more
TL;DR: It is demonstrated that motor rTMS has a long‐term lasting effect on motor‐related regions and distant limbic‐related areas via functional connections.
71
Therapeutic mechanism of repetitive transcranial magnetic stimulation (rTMS)—a monkey PET study
Takuya Hayashi,Takashi Ohnishi,Shingo Okabe,Noboru Teramoto,Yukio Nonaka,Hiroshi Watabe,Etsuko Imabayashi,Yohichiro Ohta,Hiroshi Jino,Norimasa Ejima,Tohru Sawada,Hidehiro Iida,Hiroshi Matsuda,Yoshikazu Ugawa +13 more
- 01 Mar 2004
TL;DR: It is demonstrated that motor cortical rTMS induces dynamic functional changes in motor and limbic associated structures, suggesting its therapeutic effect on dysfunction of motor and motivation system.
1