The concept/philosophy shares many similarities with transhumanism. However, it also acknowledges that humans have a cultural history that informs their future development, and that this history will continue to have import.
The critical posthuman is not the endstage in human evolution. It is an acknowledgement that we have expanded our conscious minds to account for more than humans. We are not anthropocentric, we are biocentric. In Hayles (1999) opinion, we are already posthuman.
To be continued as my cognitive posthuman schema evolves…
Hayles, K.N. (1999) Towards embodied virtuality. In: How we became posthuman: virtual bodies in cyernetics, literature and informatics. Chicago: University of Chicago Press. pp. pp. 293–297.