Keita Ishibashi

Influence of eye colors of Caucasians and Asians on suppression of melatonin secretion by light

Shigekazu Higuchi, Yutaka Motohashi, Keita Ishibashi et al. · American Journal of Physiology-Regulatory, Integrative and Comparative Physiology · 2007 · 81 citations

Medicine, Endocrinology, Circadian Rhythms +12

Less Exposure to Daily Ambient Light in Winter Increases Sensitivity of Melatonin to Light Suppression

Shigekazu Higuchi, Yutaka Motohashi, Keita Ishibashi et al. · Chronobiology International · 2007 · 64 citations

Medicine, Endocrinology, Circadian Rhythms +14

Inter-individual difference in pupil size correlates to suppression of melatonin by exposure to light

Shigekazu Higuchi, Keita Ishibashi, Sayaka Aritake et al. · Neuroscience Letters · 2008 · 50 citations

Nursing, Neuroscience, Vision Science +9

Effect of Color Temperature of Light Sources on Slow-wave Sleep

Tomoaki Kozaki, Shingo Kitamura, Yuichi Higashihara et al. · Journal of PHYSIOLOGICAL ANTHROPOLOGY and Applied Human Science · 2005 · 44 citations · Full text

Medicine, Physiology, Lighting Design +16

Essential Oil of Lavender Inhibited the Decreased Attention during a Long-Term Task in Humans

Kuniyoshi Shimizu, Mayumi Gyokusen, Shingo Kitamura et al. · Bioscience Biotechnology and Biochemistry · 2008 · 40 citations · Full text

Social Sciences, Neuroscience, Psychology +14