Anxiety and stress reduction induced by physical activity program: a magnetoencephalography study

• Project/Area Number: 25750352
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Applied health science
• Research Institution: Osaka City University
• Principal Investigator: YAMANO Emi 大阪市立大学, 大学院医学研究科, 特任助教 (40587812)
• Research Collaborator: ISHII Akira 大阪市立大学, 大学院医学研究科, 病院講師 (90587809) ; TANAKA Masaaki 大阪市立大学, 大学院医学研究科, 講師 (60382199) ; NOMURA Shusaku 長岡技術科学大学, 工学研究科, 准教授 (80362911)
• Project Period (FY): 2013-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
• Keywords: ストレス / 不安 / 運動 / 脳磁図 / 脳神経 / 予防医学 / 行動科学

Outline of Final Research Achievements

We investigated the alterations of functional activity in brain and subjective feeling after physical activity intervention program for 4 weeks using magnetoencephalography (MEG) and Visual Analogue Scale (VAS). The participants were assigned ramdomly to 2 groups: physical activity program intervention group (G1) and non physical activity program intervention group (G2).They performed stress-inducing and control tasks respectively and rated their subjective feeling using by VAS before and after the intervention period.
After 4 weeks of intervention, neither of 2 groups showed the alteration of brain activity during stress-inducing and control tasks. However, in G2, VAS score for stress and depression were significantly increased after stress-inducing task relative to pre-task. This suggested that it would enhance the negative feeling against stress without any physical activity over a period.

Research Products

• [Journal Article] Neural basis of individual differences in the response to mental stress: a magnetoencephalography study (2015)
  • Author(s): Yamano E., et al.
  • Journal Title: Brain Imaging Behav Volume: November 19 Issue: 4 Pages: 1160-1171
  • DOI: 10.1007/s11682-015-9479-0
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Presentation] 不快刺激に対する認知バイアスの検討 (2014)
  • Author(s): 山野 恵美
  • Organizer: 第27回日本健康心理学会
  • Place of Presentation: 沖縄科学技術大学院大学(沖縄県・国頭郡恩納村）
  • Year and Date: 2014-11-01
• [Presentation] Assessment of attention bias in response to the threatening stimuli (2014)
  • Author(s): Emi Yamano, Masaaki Tanaka, Akira Ishii, Yasuyoshi Watanabe
  • Organizer: The 37th Neuro
  • Place of Presentation: 横浜パシフィコ(神奈川県・横浜市）
  • Year and Date: 2014-09-11