This document provides an overview of the roots and history of psychology. It discusses early Western contributors like Plato, Aristotle, Descartes, and Locke. It also covers Islamic concepts like the 7 types of nafs and influential Muslim psychologists such as Ibn Sina, Imam Ghazali, Al-Kindi, and teachings from Prophet Muhammad. Finally, it lists common concepts explored by both Western and Islamic psychology such as behavior, mental processes, mind-body relationships, and cognition.