Evolution Beyond Biology: Human–Machine Coevolution and the Diversification of the Human Lineage
Kenneth W. Dunn, PhD
ABSTRACT
Evolutionary theory has traditionally been confined to biological organisms and genetic inheritance. However, the rapid development of information technologies, artificial intelligence, and human–machine interfaces suggests that evolutionary processes are no longer limited to organic substrates. This paper proposes that contemporary technological systems represent an extension of human evolution rather than a departure from it. Drawing on evolutionary theory, cybernetics, rehabilitation psychology, and philosophy of technology, the paper argues that human evolution is entering a phase of diversification in which fully biological humans, human–machine hybrids, and autonomous artificial systems coexist as parallel adaptive forms. Early clinical applications of technology in rehabilitation contexts are examined as precursors to broader patterns of cognitive and functional augmentation. The implications of this evolutionary expansion are considered in relation to psychological theory, human identity, planetary constraint, and the long-term transmission of human knowledge beyond biological lifespans.