While psychology did not emerge as a separate discipline until the late 1800s, its earliest history can be traced back to the time of the early Greeks. During the 17th-century, the French philosopher Rene Descartes introduced the idea of dualism, which asserted that the mind and body were two entities that interact to form the human experience.

Seeds of Psychology in the 17th Century: The seeds of psychological inquiry were sown during the 17th century, as thinkers like René Descartes and John Locke pondered questions about the mind, consciousness, and human behavior.