When that theory is isolated from known facts, it is likely not to be productive.
Patricia ChurchlandEarly studies of sleep and dreaming were crucially dependent on waking subjects up during sleep to find out whether they are dreaming or not. Using that strategy, it was found that when the eyes are rapidly moving (REM sleep) people are usually dreaming; when the eyes are not moving, there may be some mentation, but little in the way of visually rich dreams.
Patricia ChurchlandAnalyzing a concept can (perhaps) tell you what the concept means (at least means to some philosophers), but it does not tell you anything about whether the concept is true of anything in the world.
Patricia ChurchlandIf you give up because you announce the phenomenon cannot be explained, you are missing out.
Patricia Churchland