The “Pro Higiene Mental La Claridad De la Inteligencia Es La Salud” propaganda poster was used during the Spanish Civil War to encourage the following of the correct ideology. It was used by the republicans or communists to encourage citizens to have left leaning ideologies.
The direct translation of the poster is “hygiene, clarity of intelligence is health” and the author of the poster is unknown. We know that during the war “mental hygiene” or psychiatry and the control of the mind was seen as an important battleground.Mental clarity and war neurosis were terms used commonly during the Spanish Civil War. More can be learned about this in the following paper.