  The problem this poses for Hinton is that it suggests that he may be wrong to assume that his opponent needs to show that our Neutral Experience Reports are not equivalent to his Perception-Illusion disjunctions. For even if they were equivalent to the Perception-Illusion disjunctions, this might not in itself show that such reports don’t pick out a common element to perception and illusion / hallucination and give a definite answer to the question ‘what is happening?’