New research provides evidence that the repetitive thoughts occupying a person’s mind can directly influence the spontaneous memories they experience later. This phenomenon, termed “preoccupation priming,” suggests that focusing on a specific topic creates a tendency for the brain to retrieve personal memories related to that subject. The study was published in the scientific journal Consciousness and Cognition. Psychologists have studied involuntary autobiographical memories for many years. These are memories of past personal events that pop into consciousness without any deliberate attempt to retrieve them. They often occur during mundane activities, such as walking down the street or washing dishes. Previous research indicated a strong connection between a person’s current life concerns and the content of these spontaneous memories. For instance, diary studies showed that individuals going through a breakup or starting a new diet often reported involuntary memories centered on those specific themes. However, these earlier studies were primarily correlational. They relied on participants recording their daily experiences, which made it difficult to determine the direction of cause and effect. It was unclear if …