Is There a Mechanism of Top Down Causation?

"Can you give one example from current science where researches pa deposit a mechanism of top down causation? I guess you're going to say no in that case. Er, w you just, well, e, no, i am goingto, yes, i'm gong ay," he says. He sai lostlyi can no a connected question from luke, who's been disagreeing with you a lot. That's not quite how i describe t cause it's not exactly a mechanism. But i first kind of started to think about top down causation a as a result of talking to a scientific colleague when i was at baleo,. His name was denis noble am