The world knot: Consciousness : philosophical paradox or scientific object?; The special problem of consciousness; Everyman's private theater : ongoing unity, endless variety -- Consciousness and the brain: Building a picture of the brain; Consciousness and distributed neural activity; Neural activity integrated and differentiated -- Mechanisms of consciousness : the Darwinian perspective; Selectionism; Nonrepresentational memory; Perception into memory : the remembered present -- Dealing with plethora : the dynamic core hypothesis: Integration and reenetry; Consciousness and complexity; Determining where the knot is tied : the dynamic core hypothesis -- Untangling the knot: Qualia and discrimination; The conscious and the unconscious -- Observer time: Language and the self; Thinking; Prisoners of description.