What is Obsessive-Compulsive Disorder (OCD)?

Obsessive-Compulsive Disorder (OCD) is a condition that can interfere with a person’s ability to function and live in alignment with their values. Individuals with OCD experience intrusive thoughts, images, urges, or bodily sensations that create significant anxiety. In response, they may engage in compulsions—either behavioral or mental—in an effort to reduce distress or prevent a feared outcome.

OCD is often understood as a “false alarm system,” in which the brain’s threat detection circuitry becomes overactive. Even when a person logically recognizes that an intrusive thought is not dangerous, the brain can still generate a strong sense of threat or urgency. This mismatch between logic and emotional experience often leads to compulsive behaviors aimed at restoring a sense of safety or relief.

While OCD can take many different forms and themes vary widely from person to person, a core difficulty across presentations is intolerance of uncertainty. Learning to relate differently to uncertainty is a central part of effective OCD treatment.