AUTHOR=Borghesi Francesca , Simoncini Gloria , Cremascoli Riccardo , Bianchi Laura , Mendolicchio Leonardo , Cappelli Simone , Brusa Federico , Cattaldo Stefania , Prina Elisa , Chirico Alice , Mauro Alessandro , Cipresso Pietro TITLE=A stochastic model for affect dynamics: methodological insights from heart rate variability in an illustrative case of Anorexia Nervosa JOURNAL=Frontiers in Psychiatry VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2025.1502217 DOI=10.3389/fpsyt.2025.1502217 ISSN=1664-0640