The introduction to Psychology was the beginning of the standard learning of the power that the mind with holds, helping us understand the process of pillars that our brains go through to feel what our body feels. Biological pillar is overall the study of how brain chemistry may affect depression and emotions. Cognitive pillar refer to those that determine the extent to which wider belief systems and cultural frames are imposed on or adopted by individual actors and organizations. And informal institutions also refer to cultural beliefs.. Informality. Institutional Economics.