Consciousness, Perception and the Brain

[size=13]If a tree falls in the forest and no one is around to hear it, does it still make a sound?  At first you might think, “of course it still makes a sound!” until further defining what “sound” actually means: the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium(dictionary.com).  When a tree falls there are certainly pressure waves vibrating through the …