Sentence:  The opening paragraph of the chapter titled The Theory Of Representative Perception , in the book Philosophies Of Science by Albert G. Ramsperger says , `` passed on to the brain , and there , by some unexplained process , it causes the mind to have a <WSD>perception</WSD> '' . 
Meaning of the word marked with <WSD> tags:  the representation of what is perceived; basic component in the formation of a concept