The study of human personality or "character" (from the Greek charaktêr, the mark impressed upon a coin) dates back at least to antiquity. In his Characters, Tyrtamus (371-287 B.C.) — nicknamed ...

No cluster D of personality disorders is currently featured in the Diagnostic and Statistical Manual of Mental Disorders, 5th edition, text revision (DSM-5-TR). Only clusters A, B, and C are ...

Is it possible to spot personality dysfunction from someone's everyday word use? My colleagues and I have conducted research that suggests you can, and often sooner than you might expect. Whether in a ...

Schizophrenia involves periods of psychosis, including hallucinations, delusions, and disorganized thinking that distort a person’s sense of reality. Schizoid personality disorder is a long-standing ...

Is it possible to spot personality dysfunction from someone’s everyday word use? My colleagues and I have conducted research that suggests you can, and often sooner than you might expect. Whether in a ...