. Until the second half of the 20 th century, life ended with the last beat of the heart, a consequent and clear-cut definition of life and death. And still, in our daily emotional life, the heart and not the brain plays the central role. So still today, we are used to feel “from the bottom of our heart” and never “from the bottom of our brain”.
From a medical perspective, the definition of death by using a conception of brain death became only important when in transplantation medicine living organs including the heart were necessary for transplantation while the