On a Lockean view, psychological continuity answers question 2 (what makes me the same person), while the persistence of the organism answers question 1 (what makes this entity continue to exist).

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Entity (Question 1: 'what makes this entity continue to exist')(as used in metaphysics): Any individual thing—in this case, a living body or organism—and the question of what allows it to keep existing and being recognizable as the same thing over time.
Lockean view(as used in personal identity): A philosophical perspective based on the ideas of John Locke, a 17th-century English philosopher who argued that what makes you 'you' over time is the continuity of your memories and consciousness, not just your physical body.
Persistence of the organism(as used in personal identity): The biological fact that your physical body continues to exist and function as a living thing, even though the cells that make it up are constantly changing.
Personal identity (Question 2: 'what makes me the same person')(as used in metaphysics): The philosophical puzzle about what it means for you to remain 'you' over time—whether it's your body, your memories, your soul, or something else that makes you the same person you were yesterday.
psychological continuity(Philosophy of personal identity): A relation holding between a person at one time and a being at a later time when the later being inherits the memories, intentions, beliefs, and psychological states of the earlier person.

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