Conceptual conundrums of consciousness: philosophy -- A brief history of the brain: evolution and the science of thought -- The tip of the iceberg: unconscious limits -- Pay attention to that pattern!: conscious contents -- The brain's experience of a rose: neuroscience of awareness -- Being bird-brained is not an insult: uncovering alien consciousness -- Living on the fragile edge of awareness: profound brain damage and disorders of consciousness -- Consciousness squeezed, stretched, and shrunk: mental illness as abnormal awareness.