...I sense that stepping into the light is also a powerful metaphor for consciousness, for the birth of the knowing mind, for the simple and yet momentous coming of the sense of self into the world of the mental.
Antonio DamasioThere's that effect that is very physical, very down there at the synaptic level, which really means microscopic cellular level, but also molecular level, because all of those structures are operating on an electrochemical basis and so the changes there are very important.
Antonio DamasioWhat happens [in a coma] is that you lose the grounding of the self, you no longer have access to any feeling of your own existence.
Antonio Damasio