Gaslight -

: In the film, a man named Gregory attempts to drive his wife, Paula, insane to distract her from his criminal activities—specifically his search for her deceased aunt’s missing jewels hidden in their attic.

: The title comes from a specific tactic Gregory uses: he secretly turns on the gas lights in the attic to search for the jewels, which causes the lights in the rest of the house to dim. When Paula notices the dimming, Gregory insists she is imagining it, undermining her trust in her own senses. The Psychological Concept: Gaslighting Gaslight

Gaslighting is rarely a single event; it is typically a . : In the film, a man named Gregory

In modern psychology, is defined as a form of psychological manipulation and emotional abuse where one person causes another to doubt their own perceptions, memories, and sanity. Common Tactics & Signs : In the film

A Brief History of the Term Gaslighting and the Movie Behind It

"Gaslight" is a multifaceted term that refers to both a foundational piece of mid-century media and a modern psychological concept derived from it.