[robius]

In reality this is a consequence of how much effort we make in remembering something.

It's well known that making lasting memories relies on multiple associations that all lead to that memory.

So when you learn someone's name for the first time, say it a few times, and think about something factually unique about the person, make those associations with things that come to mind. (ex: Benjamin, Ben, Big Ben, short Ben with a hat & side burns.)

The more you make, the better you'll be at remembering people's names and the easier it will get.