You're the one who brought up dependent origination.
http://www.dhammawheel.com/viewtopic.ph ... 00#p194124
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"The mechanics of the senses" has quite a bit to do with dependent origination.
The brain extends throughout the body via the nervous system. The nervous system interacts with its environment. This process is a part (only a small part, to be precise) of what we call "mind".
I was not trying to imply that the order of dependent origination is reverse. From the SN-12.2 " From consciousness as a requisite condition comes name-&-form."
My arguing was not about dependent origination, but on analysing a mind moment, in which there is an object beng cognized and the cognition depends on the sense media. As I understand it, this does not contradict the previous paragraph. Thus I said that dependent origination was not related to the subject.
I also argued that the brain was the rupa of the sixth sense. By sixth sense I did not meant vinnana, but the origin of objects (thoughts, mental elaborations, fantasies) being cognized by vinnana dependet on the mind door.
Then I took the ear sense as an example, because we know how the rupa of the ear door works in detail, whith pressure diferences being detected by nervuos cells sensitive to pressure, that create electrical signals that go through other nervous cells until it reaches the brain (strictly speaking). How can we see, by means of the western scientific method, the link between rupa processes (chemical and electrical processes in neurons) and mind processes (the skhandas)?
In your opinion the nervous cells between the ear and the brain are part of the sense-door (rupa), or are they a support of feeling(nama)? Is the electrical signal created by the change of ions on the neuron cell walls nama or rupa?