yeah, it does seem that there must be some sort of connection, but that was the Behavorists answer....(Pavlov's Dogs, B.F. Skinner, etc).....and i don't remember how or why, but i do know that Behavorism disappeared just as soon as it appeared in the world of psychology....it was eventually disproven, but it was a landmark.....

so, behavorism would say there is a connection in some way, while others say itz just an "absurdity" so to speak.....one interesting take on the mind is "epiphenomenalism" (epeh-fin-nomenal-ism) where they consider the mind as sort of like a shadow......a shadow, like from a tree, is considered to be epiphenomenal.....in that, it exists, but isn't coherently physical itself, and merely exists because something else exists, and doesn't really have any purpose or effect.....itz just there because the tree's there....in this case, the mind's just there because the body's there.....