That was an amazing experience [making Dream of Life]. It's hard to imagine that we were editing every day for a year. And it was pretty extraordinary; it also went by super fast. But every day was an experiment.
Studies of decision-making in the monkey, where activity of single neurons in parietal cortex is recorded, you can see a lot about the time-accuracy trade-off in the monkey's decision, and you can see from the neuron's activity at what point in his accumulation of evidence he makes his decision to make a particular movement.