Back in the late 1930s, the theory of cybernetics was first postulated at the Instituto Nacional de Cardiología, when Mexican researcher Arturo Rosenbleuth investigated the heart's autonomy from the brain. Until then, no explanation was available as to why the heart kept beating in brain-dead "Pachuco" (mariguano) bodies. O sea, how could the corazón keep pumping without receiving instructions from the brain?