Interesting article about this study:

Older Brain Is Willing, but Too Full

Learning becomes more difficult as we age not because we have trouble absorbing new information, but because we fail to forget the old stuff, researchers say. (...)

Think of it as writing on a blank piece of white paper versus a newspaper page, the difference is not how dark the pen is, but that the newspaper already has writing on it.”

Lots of implications e.g. about life extensions not being identity preserving without memory augmentation. Someone write a discussion post on the study. Hey you, you do it. Don't look behind you, I mean you.