This document provides an overview of architecture and mechanisms of perception. It discusses concepts like beauty, delight, harmony, and proportions in architecture through examples like the Parthenon and works by Polykleitos, Alberti, and da Vinci. It then examines perception through topics such as sensation versus perception, top-down and bottom-up processing, Gestalt principles of visual perception, and stages of information processing when viewing art. The document was prepared by Dr. Nermina Mujezinović and references literature on cognition and visual arts, geometry of design, art history, and psychology.