Privileged Access of Self-Knowledge: Its Philosophical Foundation and Challenge from Psychology and Neuroscience
Abstract
This paper examines the philosophical concept of privileged access to self-knowledge—the notion that individuals possess direct, authoritative, and epistemically superior knowledge of their own mental states (e.g., thoughts, sensations, intentions) compared to knowledge of the external world or others' minds. It analyzes dominant philosophical theories (Acquaintance Theory, Inner Sense Theory, Agency Theory) that seek to explain and justify this privileged status, emphasizing claims of immediacy, reliability, and distinctive epistemic grounding. However, the paper then outlines significant challenges from psychology and cognitive neuroscience, demonstrating systematic limitations and errors in self-knowledge. Key evidence includes interpretivist theories showing self-knowledge as inferential rather than direct, research on implicit attitudes revealing unconscious biases contradicting explicit reports, and neuroscientific models (e.g., forward models, disruptions in agency) indicating that the sense of authorship and awareness is constructed and fallible. In response to these empirical challenges, the paper explores contemporary philosophical strategies aiming to preserve a refined notion of privileged access. The strategies includes redefining privilege as conceptual necessity (Shoemaker), distinguishing foundational pre-reflective self-consciousness (Zahavi), and locating authority within the normative framework of interpretation (Davidson, Sellars), or grounding it in the irreducibility of phenomenal consciousness (Chalmers). Ultimately, the argument concludes that while acknowledging empirical fallibility, philosophical responses defend the epistemic privilege, and argue that self-knowledge retains a distinctive, non-eliminable first-person character essential to subjectivity and rationality, even if its scope and infallibility are significantly constrained.
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