Consciousness is a major feature of mammalian nervous significant "news" is demanding to be heard by the systems. Recent evidence indicates it may extend from established powers in the society of mind. The only known mammals to birds and even cephalopods (Edelman & Seth, function of slow-wave sleep, for example, is to consolidate 2009). Since all major biological adaptations are episodic memories (i.e., memories of conscious events that functional, or sequelae of biofunctions, and since brains took place during the conscious period before sleep). They be to "reapportion" cortical functions based on the are based on biochemistry and eukaryotic cells, which previous day's experiences, consistent with the last two impose narrow limits on such features as the peak rate of decades of work on cortical plasticity.