A new study sheds some more light on the doorway effect, that pesky phenomenon of walking from one room to another and completely forgetting why you came here in the first place. It seems our brains ability to compartmentalize comes with a minor downside:

The researchers suggest that it's not so much the doorways that cause a memory wipe, as moving from one location to a significantly different one – it's the abrupt change of scene that primes our minds to receive something new.

from Science Alert