Human 's Personality And Preferences May Change Over Time

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Despite the fact that human’s personality and preferences may change over time, philosophers have always sought the answers to how people have the impression that they are the same person. At first, philosophers presumed that people need to have the same body to be the same person. However, Locke proposed that consciousness, which is in this case memory is the key to determine identity. In this paper, I would discuss how memory as the mental states grounds the notion of psychological continuity. Raising the problem of circularity in the memory theory, I will explain how to amend the psychological continuity to avoid the problem.
At first, philosophers used the same body theory to explain personal identity. They assume that a person at one time is the very same person as a person later if and only if they have the same body. However, one problem of the same body theory is that biologically the body is constantly changing. A body ten years later would not be the very same body at present. The problem makes the same body theory a false condition. Therefore, it is imprudent to set the same body theory as the criteria to determine personal identity. What thing that will remain the same even with different bodies, that can help determine a person to be the same person earlier? The answer is memory. Even though the body is changing over time biologically, memories usually do not fade away with it. As a matter of fact, philosophers proposed a new theory called the Psychological
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