Sentence:  Hereby , the external object viewed by the eyes remains the thing that is seen , not the retinal image , the purpose of which would be to achieve perceptive cooperation by stirring sympathetic impulses in the other sensory centers , motor tensions , associated word symbols , and <WSD>consciousness</WSD> . 
Meaning of the word marked with <WSD> tags:  an alert cognitive state in which you are aware of yourself and your situation