Disorders of the voice can affect a politician’s success

The acoustics of a political speech delivery are known to be a powerful influencer of voter preferences, perhaps giving some credence to the saying, “It’s not what you say, but how you say it.” Vocal disorders change the qualities of a person’s speech, and voice scientists Rosario Signorello and Didier Demolin at the Université Sorbonne Nouvelle, Paris have found that this alters politicians’ perceived charisma and listeners’ voting preferences.