How the Brain Learns That Fear Is No Longer Needed
Psychology Today | 28.05.2026 23:01Fear protects us by teaching the brain what to avoid. After a frightening experience, a sound, place, smell, or image can become linked with danger. That link can save a person from future harm. But when the danger has passed, the same system can become painful. In posttraumatic stress disorder (PTSD), reminders of trauma can trigger fear even when a person is physically safe.
