Keiko Tohyama

Effects of benzodiazepines on passive avoidance response and latent learning in mice: relationship to benzodiazepine receptors and the cholinergic neuronal system.

Toshitaka Nabeshima, Keiko Tohyama, Kenji Ichihara et al. · Journal of Pharmacology and Experimental Therapeutics · 1990 · 64 citations

Medicine, Neuroscience, Pharmacology +16

Effects of DM-9384 in a model of amnesia based on animals with GABAergic neuronal dysfunctions

Toshitaka Nabeshima, Yukihiro Noda, Keiko Tohyama et al. · European Journal of Pharmacology · 1990 · 59 citations

Medicine, Neuroscience, Pharmacology +12

Effects of DM-9384, a cyclic derivative of GABA, on amnesia and decreases in GABAA and muscarinic receptors induced by cycloheximide.

Toshitaka Nabeshima, Keiko Tohyama, K. Murase et al. · Journal of Pharmacology and Experimental Therapeutics · 1991 · 57 citations

Medicine, Neuroscience, Pharmacology +17

Evaluation of edge effect due to phase contrast imaging for mammography

Satoru Matsuo, Tetsuro Katafuchi, Keiko Tohyama et al. · Medical Physics · 2005 · 34 citations

Medicine, Biomedical Engineering, Radiology +17

Effects of DM-9384, a pyrrolidone derivative, on alcohol- and chlordiazepoxide-induced amnesia in mice

Toshitaka Nabeshima, Keiko Tohyama, Tsutomu Kameyama · Pharmacology Biochemistry and Behavior · 1990 · 29 citations

Medicine, Neuroscience, Pharmacology +10