Why Walking through a Doorway Makes You Forget?

• The common experience of arriving somewhere only to realise you've forgotten what you went there to do is called the "doorway effect."
• According to theories, the forgetfulness is due to our not spending long enough encoding in our memory the intended purpose for going to the room.
• But new experiments from a team of researchers at the University of Notre Dame now suggest a completely different reason  something called “the doorway effect.” It appears that the act of going through a door the change in the scene may be behind the forgetfulness.