Abstract
(2002) reported that a mixture of hexenol and hexenal wasaccepted as a pleasant odor and it decreased the amplitude of anevent-related potential (P300). However, the neural mechanisms ofthe effect of hexenol and hexenal are almost completely unknown.We studied its effect on prevention and/or recovery from fatigue,through analyzing the behavioral performance (reaction time, RT)of monkeys during repetition of a simple visual discrimination taskand the autonomic function as judged by acceleration plethysmog-raphy (APG) during a mental task [advanced trail making test(ATMT), continuously loaded for 4 h] in human volunteers. More-over, we investigated changes in regional cerebral blood flow (rCBF)during green-odor stimulation using positron emission tomography(PET) in monkeys.
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