Gaslighting

Gaslighting is a form of psychological manipulation in which a person seeks to sow seeds of doubt in a targeted individual or group, making them question their own memory, perception, or sanity. This manipulation tactic is typically employed to gain power and control over the victim. The term "gaslighting" originates from the 1938 play and subsequent film adaptations called "Gas Light," in which a husband manipulates his wife into believing she is going insane.