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Physiological and Psychological Effects of Visual Stimulation with Green Plant Types

Author

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  • Ji-Eun Jeong

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

  • Sin-Ae Park

    (Department of Bio and Healing Convergence, Graduate School, Konkuk University, Seoul 05029, Korea
    Department of Systems Biotechnology, Konkuk Institute of Technology, Konkuk University, Seoul 05029, Korea)

Abstract

This study was designed to assess the physiological and psychological benefits of visually looking at foliage plants in adults. This study involved 30 adults in their 20s (11 males, 19 females), and using a crossover design, participants looked at four different types of visual stimuli, namely, real plants, artificial plants, a photograph of plants, and no plants for 5 min. Brain waves were measured while viewing each type of plant, and a subjective evaluation of emotions was performed after each visual stimulus. Semantic differential methods (SDM) and Profile of Mood States (POMS) were used for the subjective evaluation. During the real plant visual stimulation, relative theta (RT) power spectrum was increased in the bilateral occipital lobes, while relative high beta (RHB) power spectrum was reduced in the left occipital lobe, indicating a reduction in stress, anxiety, and tension. The subjective survey results revealed that when looking at real plants, the participants exhibited significantly higher “comfort,” “natural,” and “relaxed” scores as well as an increase in positive mood conditions. In conclusion, among the four types of plants, visual stimulation with real plants induces physiological relaxation in adults and has a positive psychological effect.

Suggested Citation

  • Ji-Eun Jeong & Sin-Ae Park, 2021. "Physiological and Psychological Effects of Visual Stimulation with Green Plant Types," IJERPH, MDPI, vol. 18(24), pages 1-12, December.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:24:p:12932-:d:697518
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    References listed on IDEAS

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    1. Miho Igarashi & Mariko Aga & Harumi Ikei & Takafumi Namekawa & Yoshifumi Miyazaki, 2015. "Physiological and Psychological Effects on High School Students of Viewing Real and Artificial Pansies," IJERPH, MDPI, vol. 12(3), pages 1-11, February.
    2. Sin-Ae Park & Su Young Son & A-Young Lee & Hee-Geun Park & Wang-Lok Lee & Choong Hwan Lee, 2020. "Metabolite Profiling Revealed That a Gardening Activity Program Improves Cognitive Ability Correlated with BDNF Levels and Serotonin Metabolism in the Elderly," IJERPH, MDPI, vol. 17(2), pages 1-17, January.
    3. Yun-Ah Oh & Seon-Ok Kim & Sin-Ae Park, 2019. "Real Foliage Plants as Visual Stimuli to Improve Concentration and Attention in Elementary Students," IJERPH, MDPI, vol. 16(5), pages 1-12, March.
    4. A-Young Lee & Seon Ok Kim & Gyung Mee Gim & Dae Sik Kim & Sin-Ae Park, 2019. "Care Farming Program for Family Health: A Pilot Study with Mothers and Children," IJERPH, MDPI, vol. 17(1), pages 1-14, December.
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    Cited by:

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