[custom_adv] Psychology is the science of behavior and mind, including conscious and unconscious phenomena, as well as feeling and thought. [custom_adv] It is an academic discipline of immense scope and diverse interests that, when taken together, seek an understanding of the emergent properties of brains, and all the variety of epiphenomena they manifest. [custom_adv] As a social science it aims to understand individuals and groups by establishing general principles and researching specific cases. [custom_adv] In this field, a professional practitioner or researcher is called a psychologist and can be classified as a social, behavioral, or cognitive scientist. [custom_adv] Psychologists attempt to understand the role of mental functions in individual and social behavior, while also exploring the physiological and biological processes that underlie cognitive functions and behaviors.