Gaslighting Effects on the Brain | MindLAB Neuroscience

Gaslighting and the Brain: How Manipulation Rewires Trust Circuits During Infidelity Gaslighting effects on the brain are neurological, not metaphorical. Systematic reality-distortion from a partner — particularly in the context of infidelity — corrupts the prediction-error minimization system — the belief-updating machinery that decides, moment by moment, whether to trust incoming information or revise your internal model. Over weeks and months, the prefrontal cortex fatigues under the computational load of repeatedly resolving conflicts between what you witnessed and what you are being told. The hippocampus begins to distort memory under chronic stress. Self-doubt stops being a feeling and becomes a default neural setting. What looks like insecurity is a brain doing exactly what it was designed to do with corrupt input. ...

April 18, 2026 · 19 min · 4020 words · Dr. Sydney Ceruto