Abstract
We investigated the effect of environmental chemicals on exploratory behavior and emotional behavior in Wistar rats, using behavioral task such as open-field test, elevated plus maze test and forced swimming test. We used green odor and jasmine tea odor as natural environmental chemicals and 1-bromopropane (1-BP) and bisphenol-A (BPA) as artificial environmental chemicals. Green odor did not affect sensory-motor system but attenuated swimming-induced decrease in activity suggesting its anti-fatigue effect. Jasmine tea odor increased exploratory behavior in normal physiological condition. On the other hand, prenatal exposure 1-BP and BPA impaired sexual differentiation of exploratory behavior and BPA increases depression-like behavior. The results suggest that animal behavior are highly sensitive to external environmental chemicals especially during developing period and natural environmental chemicals such as plant-derived odors have beneficial effects but some artificial chemicals have aversive effects on rat’s behaviors.
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