According to John Watson, the ability for humans to set goals, engage in social interactions, make rational decisions, and carry out goals and plans comes from the frontal lobes of the brain. The father of psychology, Sigmund Freud, compares the human mind to and iceberg. The small visible part above the water represented the conscious mind and experiences, and the large mass below being the unconscious mind. This was the storehouse of unconscious thinking, impulses, and passions. These thoughts were viewed as inaccessible to recall and affect our thoughts and behavior. This portion he attempted to explore by free association. He strives to make the person aware of the unconscious and discuss the basic determinants of personality.
Freud believed that the structure of personality is composed of three systems: the “id”, “ego”, and “superego”. All three of these were thought to determine or influence personality in some form or another. The “id” was viewed as being primitive, personality from which ego and superego come about or take over. The id operates on the pleasure principle. The ego obeys reality and is the “executive” governing of personality. It