... science of mind: Then, Psychology was defined as the science of mind. Later , it was changed to mental processes, by Psychologists as Hume and Tichener. This "invisible" world of mind involves many different aspects, functions and potentials. Imagination, attention, intellect, awareness, intention, reason, will, responsibility, memory, and many other things exist in each of us. They are a vital and important part of us. This definition was not rejected but it was considered incomplete. The science of Consciousness: William James defined Psychology as being the science of consciousness. Being conscious means to be aware of the ambience .This definition was also rejected on the basis of the fact that at times our behavior is governed by our subconscious and unconscious. Great psychologist like Sigmand Freud support this fact. The science of Behavior: J.B. Watson described Psychology as the science of Behavior.. He said that external action or behavior is the only concern of Psychology. ...

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