paul churchland, philosopher

eliminative materialism claims that everyday mental concepts such as beliefs, feelings, and desires are theoretical constructs without coherent definition, and hence, we should not expect such concepts to be a necessary part of a scientific understanding of the brain. Just as a modern understanding of science has no need for concepts such as luck or witchcraft to explain the world, a future neuroscience, Churchland argues, is likely to have no need for "beliefs" or "feelings" to explain the brain