Different P50 sensory gating measures reflect different cognitive dysfunctions in schizophrenia

by Atsuhito Toyomaki, Naoki Hashimoto, Yuki Kako, Yoshiro Tomimatsu, Tsukasa Koyama, Ichiro Kusumi
Published 2015-09-01

Involvement of serotonin transporter gene polymorphisms (5-HTT) in impulsive behavior in the japanese population.

by Michio Nomura, Masayuki Kaneko, Yasunobu Okuma, Jun Nomura, Ichiro Kusumi, Tsukasa Koyama, Yasuyuki Nomura
Published 2015-01-01

Long-term mood/antidepressant effects of quetiapine extended-release formulation: an open-label, non-controlled extension study in Japanese patients with bipolar depression

by Shigenobu Kanba, Mitsukuni Murasaki, Tsukasa Koyama, Masahiro Takeuchi, Yuriko Shimizu, Eri Arita, Kentaro Kuroishi, Masahiro Takeuchi, Shinya Kamei
Published 2019-06-01

Maternal separation enhances conditioned fear and decreases the mRNA levels of the neurotensin receptor 1 gene with hypermethylation of this gene in the rat amygdala.

by Hiroyuki Toda, Shuken Boku, Shin Nakagawa, Takeshi Inoue, Akiko Kato, Naoki Takamura, Ning Song, Masashi Nibuya, Tsukasa Koyama, Ichiro Kusumi
Published 2014-01-01

DNA methylation profiles of the brain-derived neurotrophic factor (BDNF) gene as a potent diagnostic biomarker in major depression.

by Manabu Fuchikami, Shigeru Morinobu, Masahiro Segawa, Yasumasa Okamoto, Shigeto Yamawaki, Norio Ozaki, Takeshi Inoue, Ichiro Kusumi, Tsukasa Koyama, Kounosuke Tsuchiyama, Takeshi Terao
Published 2011-01-01