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Are Self-Awareness and Perceptual Experience Interdependent

Abstract

This thesis investigates what I call the Interdependent Theory of Experience. This is the claim that self-awareness depends on perceptual experience of objects and that our experience of these objects depends on our awareness of ourselves as subjects. Chapter one introduces the key aspects of the Theory, which is a kind of transcendental argument. The theory derives from two Strawsonian theses; one regarding objectivity and one regarding the self-ascription of experience. Chapter two explores connections between the Theory and three Kantian features of self-awareness: First, as Kant and later Kaplan and Shoemaker observe, self-reference ‘as subject’ does not require self-identification; Second, there is, as Perry says, a need for ‘the essential indexical’; Third, Wittgenstein describes an ‘immunity to error through misidentification’, which is implicit in Kant. I deploy three thought experiments to evaluate the Theory. Chapter three investigates the first of these: Audio-World. The subject in this scenario has perceptual experience limited to hearing alone. The scenario appears to show that a condition of self-awareness is rich phenomenological experience. Chapter four investigates the Lichtenbergian Language Scenario, where a subject speaks a language devoid of subject specific terms. Such a subject cannot self-ascribe experiences. Yet such a subject seems capable of being aware of the world in the requisite way, suggesting the Theory is too strong. Chapter five investigates the Brain-in-a-vat thought experiment. According to the Theory envatted brains should not have self-awareness because all their perceptual experiences are false. This is implausibly strong because some amount of self-awareness seems likely. I conclude that the Interdependent Theory of Experience is false: awareness of the world and the self are separable. However, there does appear to be a deep, even fundamental, interdependence between our concepts of an external world and ourselves that is captured in a more modest conceptual version of the Theory.