I was just messing with the idea. Free will, and culpability would maybe require some kind of agency beyond the physical causations, and as you say, the more we discover about how we work, the smaller this 'homonculus' gets.
I've got hold of a couple of Sapolsky's books in audio format, and I'm looking forward to listening to them in a few weeks time, when I'll have plenty of opportunity.
I did genetics at uni, and it was a lot to take in! Then they recognised epigenetics and the complexity just increased again.
It's come so far in the last 40 years, of course. My daughter is doing eDNA research. At the moment, she's got a project on dealing with curlews. Curlews are in quick decline in the UK, and some have been tagged with geo-location tags to track them. The scientists keep finding tags beside scraps of curlew bodies, and it's down to my daughter to analyse the DNA on the tag to try to identify what ate the curlew. I've asked her to explain her work to me, but she just smiles enigmatically. I think she thinks it's beyond me. I think she might be right.
