2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/147703In the pure essay style (no mathematical formulas), I present a number of speculative reflections and suggestions on possible applications of mesoscopic methods and of quantum mechanical concepts to as such a complex system as the human brain. As an initial guide for this essay I used ``The Emperor's New Mind" of Roger Penrose12pp revtexGeneral Relativity and Quantum CosmologyEssay on mesoscopic and quantum braintext