Biopolitics is an analysis tool that fits into the broader context of what Foucault called governmentality. This is a methodological notion from which it is possible to analyze the changes in the processes of subjectivity in modernity. One of the most interesting transformations in the contemporary era is the emergence of learning as a technology from neoliberal governmentality, opposite to the emergence of teaching in a pastoral or disciplinary government. Also, learning (understood in behavioral terms) approaches the notion of human action coined by the neoliberal economic perspective. The key to the analysis is the idea of Homo economicus or subject of interest as the fundamental expression of the liberal and neoliberal subjectivity