<Ul> <Li> Disciplines </Li> <Li> Organizations </Li> <Li> Psychologists </Li> <Li> Psychotherapies </Li> <Li> Publications </Li> <Li> Research methods </Li> <Li> Theories </Li> <Li> Timeline </Li> <Li> Topics </Li> </Ul> <Tr> <Td> <Ul> <Li> Psychology portal </Li> </Ul> </Td> </Tr> <Ul> <Li> Psychology portal </Li> </Ul> <P> In psychology, the psyche / ˈsaɪki / is the totality of the human mind, conscious and unconscious . Psychology is the scientific or objective study of the psyche . The word has a long history of use in psychology and philosophy, dating back to ancient times, and represents one of the fundamental concepts for understanding human nature from a scientific point of view . The English word soul is sometimes used synonymously, especially in older texts . </P>

The word psychology comes from two greek roots that mean