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Psychophysiological Responses of Cut Flower Fragrances as an Olfactory Stimulation by Measurement of Electroencephalogram in Adults

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  • Yu-Tong Wu

    (Department of Bio and Healing Convergence, Graduate School, Konkuk University, Seoul 05029, Korea
    Plant, Environment, and Health Lab, Konkuk University, Seoul 05029, Korea
    These authors contributed equally to this work.)

  • A-Young Lee

    (Plant, Environment, and Health Lab, Konkuk University, Seoul 05029, Korea
    Department of Horticulture and Landscape Architecture, National Taiwan University, Taipei 106032, Taiwan
    These authors contributed equally to this work.)

  • Na-Yoon Choi

    (Department of Bio and Healing Convergence, Graduate School, Konkuk University, Seoul 05029, Korea
    Plant, Environment, and Health Lab, Konkuk University, Seoul 05029, Korea)

  • Sin-Ae Park

    (Plant, Environment, and Health Lab, Konkuk University, Seoul 05029, Korea
    Department of Systems Biotechnology, Konkuk University, Seoul 05029, Korea)

Abstract

Horticultural therapy (HT) is green care that can help improve and recover the health of modern people living in cities through natural experiences. Many studies have been conducted to determine HT’s therapeutic effects and underlying mechanisms, but investigation for developing readily applicable clinical techniques is insufficient. We aimed to investigate adults’ brain activity and emotional state during flower arrangement (FA) with different flowers in an HT program. We recruited thirty adults and used a randomized cross-over study method to set them to participate in five FA tasks at 90-s intervals. While performing FA tasks, the participants’ prefrontal cortex brain waves were measured by a wireless electroencephalography device and their emotional states between FA tasks were measured by questionnaires. Results showed that each FA task resulted in a different attention level of the participants. The participants showed the highest attention level during FA with stocks and carnations, while FA with lilies showed the lowest attention level among the five FA tasks. Instead, the participants showed the highest arousal, tension, and anxiety for emotional states during FA with lilies. Therefore, this study confirmed the differences in attention level and emotional changes according to flower types for using clinical techniques of HT for various clients.

Suggested Citation

  • Yu-Tong Wu & A-Young Lee & Na-Yoon Choi & Sin-Ae Park, 2022. "Psychophysiological Responses of Cut Flower Fragrances as an Olfactory Stimulation by Measurement of Electroencephalogram in Adults," IJERPH, MDPI, vol. 19(18), pages 1-14, September.
  • Handle: RePEc:gam:jijerp:v:19:y:2022:i:18:p:11639-:d:915614
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    References listed on IDEAS

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    1. Jiang Tao & Ahmad Hassan & Chen Qibing & Liu Yinggao & Guo Li & Mingyan Jiang & Deng Li & Li Nian & Lv Bing-Yang & Zhong Ziqin, 2020. "Psychological and Physiological Relaxation Induced by Nature-Working with Ornamental Plants," Discrete Dynamics in Nature and Society, Hindawi, vol. 2020, pages 1-7, March.
    2. Juan Du & Jiali Yin & Xiaomei Chen & Ahmad Hassan & Erkang Fu & Xi Li, 2022. "Electroencephalography (EEG)-Based Neural Emotional Response to Flower Arrangements (FAs) on Normal Elderly (NE) and Cognitively Impaired Elderly (CIE)," IJERPH, MDPI, vol. 19(7), pages 1-9, March.
    Full references (including those not matched with items on IDEAS)

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