These findings suggest that higher brain functions such as learning and emotional control are under the influence of environmental chemicals. In contrast, plant-derived chemicals, especially plant-derived odors showed many beneficial effects on rats and human such as facilitation of learning and memory, relaxation, reduction of stress responses, and ameliorated impairments of sexual differentiation induced by an endocrine disrupter, bisphenol A.Ĭhanges in chemical environments modulate not only behaviors but also neuronal activities in the central nervous system, eg. Low dose exposure of bisphenol A enhanced depressive behavior of rats as diethyl stilbestolol did on human. 1-bromopropane, a substitutive substance for fluorocarbons to avoid destruction of ozone layer, is also impaired sexual differentiation of exploratory behavior with some reproductive dysfunction. ![]() Endocrine disrupters such as bisphenol A, tributyltin, and phthalate impaired sexual differentiation of exploratory behavior without affecting reproductive systems. The central nervous system is highly sensitive to environmental chemicals. NATSUME Kiyohisa Kyushu Institute of Technology, Graduate School of Life Science and Systems Engineering, Professor, 大学院生命体工学研究科, 教授 (30231492) HANAZAWA Akitoshi Kyushu Institute of Technology, Graduate School of Life Science and Systems Engineering, Associate Professor, 大学院生命体工学研究科, 助教授 (10280588) ISOGAI Hirohisa Kyushu Institute of Technology, Faculty of Computer Science and Systems Engineering, Associate Professor, 情報工学部, 助教授 (70223055) ![]() ![]() MORIE Takashi Kyushu Institute of Technology, Graduate School of Life Science and Systems Engineering, Professor, 大学院生命体工学研究科, 教授 (20294530) YAMAKAWA Takeshi Kyushu Institute of Technology, Graduate School of Life Science and Systems Engineering, Professor, 大学院生命体工学研究科, 教授 (00005547) Environmental physiology (including Physical medicine and Nutritional physiology)ĪOU Shuji Kyushu Institute of Technology, Graduate School of Life Science and Systems Engineering, Professor, 大学院生命体工学研究科, 教授 (40150908)
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