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Theories Of Personal Identity

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Personal identity is an ambiguous concept that plays an essential role in the story of your life. Have you ever thought of who you are or what makes you up? Some believe that it is your body, mind, or even that your “self” does not exist. Identity can be defined as all of those things and an infinite amount of others. Self is made of your soul because your body and mind are physical and they deteriorate over time and your soul does not, you are yourself despite birth and death, even if your ideas and opinions change over time. There are four main theories about what one’s personal identity is made of the Illusion theory, the Cartesian theory, Psychological continuity, and Bodily Criterion. One of the people to go in depth about the first theory, the Illusion theory, was a man named Bruce Hood. He explains that self is not an independent entity that is a constant, but an ever-changing story for our brains to process the factors that frame how we think. The second theory is the Cartesian theory which is the idea that your soul is what makes up the self. Rene Descartes, a French philosopher, found that the immaterial soul is the source of our identity. Psychological Continuity is the third theory and it explains that self is a matter of your mind being a constant throughout your life. John Locke is one of the people that speaks at length about the theory of psychological continuity being the self. The last theory is the Bodily Criterion theory and that demonstrates that you are the physical body and if that changes, then you are not yourself anymore. The Psychological Continuity and Bodily Criterion theories are the most similar yet the most different out of the four. Of course, there is extensive research about each because this subject has been pondered for millennia but the Cartesian theory proves to be more correct. The basis of the psychological continuity is that “A person at one time is the very same person as a person at a later time if and only if only if the person at the later time remembers experiences of the person at the earlier time” (Perry 2). The flaw in this theory is that there are many “what if’s”. What if your brain is affected by some sort of disease like Alzheimer's? What if

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