The Ghost‑Brush Installation: A Case-Centered Primer on Psychological Contagion Effects. Journal of the Society for Psychical Research , [S. l.], v. 90, n. 4, p. 252–278, 2026. DOI: 10.63499/8rgk1w36. Disponível em: https://jspr.spr.ac.uk/index.php/jspr/article/view/62. Acesso em: 21 sep. 2026.