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An Experimental Study on Physiological and Psychological Effects of Pine Scent  

Jo, Hyun-Ju (Graduate School of Horticulture, Chiba University)
Fujii, Eijiro (Graduate School of Horticulture, Chiba University)
Cho, Tae-Dong (Dept. of Environmental Landscape Architecture, Gangneung-Wonju University)
Publication Information
Journal of the Korean Institute of Landscape Architecture / v.38, no.4, 2010 , pp. 1-10 More about this Journal
Abstract
The scientific verification of the physiological and psychological effects that result from interaction with green plants would not only provide objective knowledge on the psychological effect of green but would also establish useful grounds for the creation of green spaces that consider human emotions. The present study measured the cerebral activity(cerebral blood flow) and the autonomic nervous system activity (blood pressure, pulse rate, amylase) of fifteen Korean male subjects as they inhaled the natural scent diffused by pine needles. Impression and mood state evaluations of the reactions to the pine scent were carried out using the SD method and POMS. Cerebral activity was observed to be significantly activated in the feeling, judgment, and motor areas of the frontal lobe, as well as the memory area in the temporal lobe. Verbal evaluations by the SD method and POMS indicated a pine scent left natural but stimulated and active impressions, provided vigor, and also reduced confusion. The autonomic nervous system activities, however, showed no significant differences. These findings verified scientifically that a pine scent vitalizes humans both physiologically and psychologically. These results could be useful as fundamental data for the design of green spaces that consider human emotional aspects.
Keywords
Green Plant Scent; Cerebral Activity; Autonomic Nervous System Activity; SD Method; POMS;
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