The ‘doorway effect’ or ‘location updating effect’ is a replicable psychological phenomenon characterized by short-term memory loss when passing through a doorway or moving from one location to another.[1] We tend to forget items of recent significance immediately after crossing a boundary[2] and often forget what we were thinking about or planning on doing upon entering a different room.[3] Research suggests that this phenomenon occurs both at literal boundaries (e.g., moving from one room to another via a
Source: Doorway effect – Wikipedia