From [1], there is that which experiences, since experience entails an experiencer. A person’s experiences are private, in the sense that other people do not have direct access to them (under non-magical circumstances). Measurable electrochemical activity in a person’s nervous system correlates with the person’s private experiences. Nervous systems have the same essential nature -that is, they belong to the same ontological class- as the rest of the physical universe. After all, nervous systems are physical systems. They are composed of the same types of fundamental subatomic particles and
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