Déjà vu is indeed a fascinating phenomenon, and your explanation provides some valuable insights into why it occurs. Here's a summary of the factors you mentioned that contribute to déjà vu: Old Memories Déjà vu can be triggered when a current experience resembles a past memory, even if that memory isn't consciously recalled. The familiarity arises from deep-seated memories. Frequent Travel and Dreams People who travel frequently or have vivid dreams may experience déjà vu because their experiences and dreamscapes may overlap with real-life situations. Signal Delays Occasionally, there can be minor delays in processing signals from both eyes, leading to the brain perceiving the same information twice in quick succession, creating a déjà vu sensation. Short and Long-Term Memory Some experiences may skip short-term memory and go directly into long-term memory. When the brain tries to process such memories, it can feel like a déjà vu moment. Medical Factors Certain medical cond...