How do you take [the brain], this piece of meat that runs on 10 watts of electricity, and how do you study it in its actual context, which is that it’s not a brain in a vat. It’s a brain interacting with other brains. How do you study things like social networks and human interactions?
Just think, for instance, about what’s now the hottest method in cognitive neuroscience: The fMRI machine, the brain scan. Think about the fundamental limitation of this machine, which is that it’s one person by himself in what’s essentially a noisy coffin. So you give him the stimulus. He’s going through the experimental task, whatever it is. Choosing whether or not to buy something, doing a visual memory task. Whatever the protocol is, you’re in essence looking at a brain in a vacuum. You’re looking at a brain by itself, and we don’t think enough about how profoundly abstract that is, and what an abstraction that is on the reality we actually inhabit, the reality of being a human and what human nature is all about.
The question now, and this is a fascinating question to think about, is how can we take this research, which is so rigorous, and how can we make it more realistic.
Neuroscience has contributed so much in just a few decades to how we think about human nature and how we know ourselves. But how can we take that same rigor, which has made this research so valuable and, at the same time, make it a more realistic representation of what it’s actually like to be a human. After all, we’re a brain embedded in this larger set of structures.
You can watch the rest of the interview here. But make sure you scroll down a little.