Desdemona the mouth of the lady) that European women are unwise to marry the temperamental males of other nations. While Shakespeare followed Cinthio's tale very closely in composing "Othello", he deviated significantly in some details. He invented Desdemona's father, Brabantio, and her dissolute Venetian admirer, Roderigo. He invented the entire first act in which Iago arouses Brabantio's prejudices against Othello, and Desdemona defends her choice of husband before the King. Shakespeare considerably expanded the role of Cinthio's ensign's wife. In Cinthio, she is simply Disdemona's companion but in Shakespeare she becomes Desdemona's attendant and confidante. In Cinthio, the ensign filches Disdemona's
Othello error Othello error Othello error occurs when a suspicious observer discounts cues of truthfulness. Essentially the Othello error occurs, Paul Ekman states, "when the lie catcher fails to consider that a truthful person who is under stress may appear to be lying" their non-verbal signals expressing their worry at the possibility of being disbelieved. A lie-detector or polygraph may be deceived in the same way, by misinterpreting nervous signals from a truthful person. The error is named after William Shakespeare's tragic play "Othello"; the dynamics between the two main characters, Othello and Desdemona, are a particularly well-known example of the error