It was not until the later part of the 19th century that psychology would emerge as a science. Rene Descartes, a famous French philosopher, contributed a major work to the development of psychology. Descartes presented his theory of dualism as a response to the body and mind conflict between scholars (Schultz &ump; Schultz, 2008). According to Descartes, humans are made up of two dimensions: body and mind. Before the body mind concept, it was believed that humans thought with their souls (Wozniak, 1995). Descartes also believed that humans had tendencies of a mechanism but are different from animals because of the ability to think and reason. His perception of humans led to the theory of dualism. The dualism theory contended that the humans mind is a separate function form the body. However, the mind and soul work in unison in the brain, through the pineal gland to create human behavior. The mind was considered to develop and use innate ideas and derived ideas. Essentially, Descartes came to the conclusion that the mind has influence on the body, but the body has a greater impact on the mind.
Theory of innate ideas suggested that thought does not depend on external factors instead it is the consciousness of a person that develops the