[mjangle1985]

>t's also been effectively disproven since the cognitive revolution at least.

How so?

>Since we can understand ideas, take in / generate perceptions, and act in meaningful ways based on what we've understood

That's not necessarily 'proof' of consciousness or free will.

>some kind of raw behavioural conditioning is not a valid explanation for our behavior. Nor the behavior of most higher animals.

Behaviorism isn't epiphenomenalism. I'm concerned you might not understand what epiphenomenalism is.