AUTHOR=Edalat Abbas , Hu Ruoyu , Patel Zeena , Polydorou Neophytos , Ryan Frank , Nicholls Dasha TITLE=Self-initiated humour protocol: a pilot study with an AI agent JOURNAL=Frontiers in Digital Health VOLUME=7 YEAR=2025 URL=https://www.frontiersin.org/journals/digital-health/articles/10.3389/fdgth.2025.1530131 DOI=10.3389/fdgth.2025.1530131 ISSN=2673-253X