 This brings us to the third position on the relation between experience and belief: that experiences are perceptual grounds of dispositions to form beliefs. Just what a specifically perceptual ground is has to be spelled out—a natural suggestion is that it requires a certain etiology involving sensory organs, or functional equivalents. Given this third position, a natural accompanying conception of the contents of an experience is that they are the same as the contents of beliefs that one is disposed to form in having the experience (claim (b) above). However, another version of the view might hold that although the experience itself is constitutively linked to beliefs, it does not have contents that are constitutively linked to the contents of the beliefs.