2024 Yes Stress Response and Cognitive Performance Modulation in Classroom versus Natural Environments: A Quasi-Experimental Pilot Study with Children https://doi.org/10.3390/ijerph15061098 Mygind, Lærke Europe Experimental Observational Students Elementary (K-5) Green space Stress/Anxiety Cognitive Function affect autonomic nervous system concentration Green space education outside the classroom Compared stress and attention in 47 children (ages 10-12) exposed to classroom vs. natural environments using vagal tone and attention tasks. Tonic vagal tone was higher in nature; cognitive effects were inconclusive. Results suggest nature may buffer stress in schools. 2018