“Cotard’s syndrome is a relatively rare condition that was first described by Dr. Jules Cotard in 1882. Cotard’s syndrome comprises any one of a series of delusions that range from a belief that one has lost organs, blood, or body parts to insisting that one has lost one’s soul or is dead.”

NIH National Library of Medicine (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2695744/)