Like a cocktail partygoer able to focus on one discussion in a noisy room, brains are able to make reliable connections against a busy neural background. Here are two phenomena that help it happen.
A resonance theory of consciousness suggests that the way all matter vibrates, and the tendency for those vibrations to sync up, might be a way to answer the so-called 'hard problem' of consciousness.
Dolphin pairs had to learn to push buttons at the same time to get a reward. So what happened when one dolphin figured that out, while the other still had to learn?