Defining "Posthuman"

I shall define a posthuman as a being that has at least one posthuman capacity. By a posthuman capacity, I mean a general central capacity greatly exceeding the maximum attainable by any current human being without recourse to new technological means. I will use general central capacity to refer to the following: healthspan – the capacity to remain fully healthy, active, and productive, both mentally and physically cognition – general intellectual capacities, such as memory, deductive an...