n. an unusual delusion in which the individual believes him- or herself to be another person. The person the assumes the characteristics and behaviors of that other person. Also known as appersonification.

APPERSONATION: "The person who fell victim to appersonation believed that he was the singer Bono and began to act in a way that was congruent with Bono's personality. "
Cite this page: N., Pam M.S., "APPERSONATION," in, April 7, 2013, (accessed October 20, 2021).