dual-aspect theory

In the philosophy of mind, double-aspect theory is the view that the mental and the physical are two aspects of the same substance. The theory's relationship to neutral monism is ill-defined, but one proffered distinction says that whereas neutral monism allows the context of a given group of neutral elements to determine whether the group is mental, physical, both, or neither, double-aspect theory requires the mental and the physical to be inseparable and irreducible (though distinct). Notable double-aspect theorists include Baruch Spinoza, Gustav Fechner, Arthur Schopenhauer, George Henry Lewes, and Thomas Nagel.  David Chalmers explores a double-aspect view of information.
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A view forwarded by Spinoza (also called the dual-attribute theory) in which the unitary substance God is expressed in the distinct modes of the mental and the physical. See dualism .
<Discussion> <References> Chris Eliasmith