>You can show all sorts of chemical and biological explanations for the behavior, but it is still "behavior." It can be predictable, but it is not deterministic.
What makes it non-deterministic? A neural network is a system with a huge number of parameters and therefore a wildly chaotic output, but the output is still deterministic. Even if you introduce a number of environmental confounders.
To claim that brains are (more) non-deterministic (than other kinds of macroscopical physical processes) you would have to show that quantum effects have a (more) significant impact on their outcomes.
What makes it non-deterministic? A neural network is a system with a huge number of parameters and therefore a wildly chaotic output, but the output is still deterministic. Even if you introduce a number of environmental confounders.
To claim that brains are (more) non-deterministic (than other kinds of macroscopical physical processes) you would have to show that quantum effects have a (more) significant impact on their outcomes.