Philosophy of mind

Philosophy of mind studies the nature of mental states and their relation to the body and world, including questions about consciousness, thought, perception, and agency.

Mind–body problem: The problem of explaining how mental phenomena relate to physical bodies and processes. It is the field’s central question about the relation between mind and body.
Cartesian dualism: The view that mind and body are distinct substances with fundamentally different natures. It sets a classic substance-based answer to the mind–body problem.
Emergence: The appearance of properties or patterns at a level that are not straightforwardly found in its parts. It offers one account of how mental properties could arise from physical organization.
Hard problem of consciousness: The question of why and how physical processes are accompanied by subjective experience. It isolates the explanatory gap between neural activity and felt experience.
René Descartes: A seventeenth-century philosopher who developed influential accounts of mind, body, and knowledge. His substance dualism made the mind–body relation a defining philosophical problem.
Consciousness: The state of having subjective experience or awareness. Its subjective character raises questions about whether physical accounts can explain experience.
Physicalism: The view that everything is physical or depends entirely on the physical. It denies that mental life requires a nonphysical substance.
Supervenience: A relation in which one set of properties cannot vary without changes in another set. It describes dependence between mental and physical properties without identifying them.
Knowledge argument: Frank Jackson’s argument that complete physical knowledge may omit facts about conscious experience. Mary’s case tests whether physical information captures what an experience is like.
Gilbert Ryle: A twentieth-century British philosopher known for criticizing Cartesian dualism and analyzing mental concepts. His critique of the “ghost in the machine” reshaped debates about minds and behavior.

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