 There are qualia involved in these mental events that seem particularly difficult to reduce to anything physical.David Chalmers explains this argument by stating that we could conceivably know all the objective information about something, such as the brain states and wavelengths of light involved with seeing the color red, but still not know something fundamental about the situation – what it is like to see the color red.If consciousness (the mind) can exist independently of physical reality (the brain), one must explain how physical memories are created concerning consciousness.