Two heads are better than one effect under joint action

2023 Fiscal Year Final Research Report

• Project/Area Number: 21K17631
• Research Category: Grant-in-Aid for Early-Career Scientists
• Allocation Type: Multi-year Fund
• Review Section: Basic Section 59030:Physical education, and physical and health education-related
• Research Institution: Hiroshima Bunka Gakuen University
• Principal Investigator: Masumoto Junya 広島文化学園大学, 人間健康学部, 准教授 (40814413)
• Project Period (FY): 2021-04-01 – 2024-03-31
• Keywords: Joint action / 力の制御 / 個人間協応

Outline of Final Research Achievements

In the present study, to examine the "two heads are better than one effect" (2HBT1 effect) when timing control is required, we used a task in which two participants performed continuous, discrete, and periodic force productions and matched the sum of these forces to a target force. The results showed that there was no significant main effect of the one-person task (individual task) and the two-person task (joint task) for the continuous force production, but the joint task had a lower error than the individual task for the discrete and periodic force productions. Thus, the 2HBT1 effect did not occur in the continuous force production, which did not require timing control, but it did occur the discrete and periodic force productions, which did require timing control. Thus, the 2HBT1 effect did not occur in the continuous force production without timing control, but it did occur in the discrete and periodic force productions with timing control.

Free Research Field

運動制御

Academic Significance and Societal Importance of the Research Achievements

研究成果はSpringer Nature社の国際学術雑誌Experimental Brain Researchに採択され，国際的な評価を得た．個人間相補関係等の基礎知見は体育やスポーツ教育において，学習者や競技者の個人間運動における学習効果の向上をもたらすと予想される．また，相互作用するロボットのシステム構築，作業療法士のリハビリ等に重要な基礎知見となると予想される。