In defence of naïve realism, Fish has advocated an eliminativist view of hallucination, according to which hallucinations lack visual phenomenology. Logue, and Dokic and Martin, respectively, have developed the eliminativist view in different manners. Logue claims that hallucination is a non-phenomenal, perceptual representational state. Dokic and Martin maintain that hallucinations consist in the confusion of monitoring mechanisms, which generates an affective feeling in the hallucinating subject. This paper aims to critically examine these views of hallucination. By doing so, I shall (...) point out what theoretical requirements are imposed on naïve realists who characterize hallucinations as non-visual-sensory phenomena. (shrink)

It is well-known that naïve realism has difficulty accommodating perceptual error. Recent discussion of the issue has focused on whether the naïve realist can accommodate hallucination by adopting disjunctivism. However, illusions are more difficult for the naïve realist to explain precisely because the disjunctivist solution is not available. I discuss what I take to be the two most plausible accounts of illusion available to the naïve realist. The first claims that illusions are cases in which you are prevented from perceiving (...) properties you would ordinarily perceive and subsequently form a mistaken judgment about the perceived object. The second appeals to an unusual look or appearance that the perceived object instantiates. I argue that neither account is satisfactory and that, consequently, naïve realism ought to be rejected. (shrink)

This paper makes explicit the basic problem perfect hallucinations pose for perceptual naive realists, more fundamental than the well‐trodden Screening‐off Problem. The deeper problem offers the basis for an overarching classification of the available naive‐ realist‐friendly approaches to perfect hallucinations. In the course of laying out the challenges to the different types of response, the paper makes a case for the superiority of a particular approach to perfect hallucinations, on which they would be understood as a special kind of perceptual (...) anomaly—arising from a secondary mode of perceptual processing. (shrink)

A recurring theme dominates recent philosophical debates about the nature of conscious perception: naïve realism’s opponents claim that the view is directly contradicted by empirical science. I argue that, despite their current popularity, empirical arguments against naïve realism are fundamentally flawed. The non-empirical premises needed to get from empirical scientific findings to substantive philosophical conclusions are ones the naïve realist is known to reject. Even granting the contentious premises, the empirical findings do not undermine the theory, given its overall philosophical (...) commitments. Thus, contemporary empirical research fails to supply any new argumentative force against naïve realism. I conclude that, as philosophers of mind, we would be better served spending a bit less time trying to wield empirical science as a cudgel against our opponents, and a bit more time working through the implications of each other’s views – something we can accomplish perfectly well from the comfort of our armchairs. (shrink)

Negative disjunctivists like Mike Martin and Bill Fish understand hallucinations in purely epistemic terms, and do not attribute phenomenal character to these visual misfires. However, the approaches by Martin and Fish are importantly different, and there has been little systematic work on how negative disjunctivism is motivated. In this paper, I argue for a version of negative disjunctivism that centers on the idea that perception involves the exercise of a fallible self-conscious capacity. I claim that this at once explains hallucinations (...) in purely negative terms that are close to Martin’s approach, while at the same time providing negative disjunctivism with an explanatory basis that Fish attempts to provide and Martin’s view lacks. (shrink)

Epistemological disjunctivists make two strong claims about perceptual experience's epistemic value: experience guarantees the knowledgeable character of perceptual beliefs; experience's epistemic value is “reflectively accessible”. In this paper I develop a form of disjunctivism grounded in a presentational view of experience, on which the epistemic benefits of experience consist in the way perception presents the subject with aspects of her environment. I show that presentational disjunctivism has both dialectical and philosophically fundamental advantages over more traditional expositions. Dialectically, presentational disjunctivism resolves (...) a puzzle disjunctivists face in their posture vis-à-vis skeptical scenarios. More systematically, presentational disjunctivism provides an especially compelling view of disjunctivism as an internalist view of perceptual consciousness by explaining the way perceptual presence manifests the subject's rationality in a distinct way. (shrink)

In this article, I cast doubt on an apparent truism, namely, that if evidence is available for gathering and use at a negligible cost, then it’s always instrumentally rational for us to gather that evidence and use it for making decisions. Call this ‘value of information’ (VOI). I show that VOI conflicts with two other plausible theses. The first is the view that an agent’s evidence can entail non-trivial propositions about the external world. The second is the view that epistemic (...) rationality requires us to update our credences by conditionalization. These two theses, given some plausible assumptions, make room for rationally biased inquiries where VOI fails. I go on to argue that this is bad news for defenders of VOI. (shrink)

According to a familiar modern view, color and other so-called secondary qualities reside only in consciousness, not in the external physical world. Many have argued that this “Galilean” view is the source of the mind-body problem in its current form. This paper critically examines a radical alternative to the Galilean view, which has recently been defended or sympathetically discussed by several philosophers, a view I call “anti-modernism.” Anti-modernism holds, roughly, that the modern Galilean scientific image is incomplete – in particular, (...) it leaves out certain irreducible qualitative properties, such as colors – and that we can solve (or dissolve) the hard problem of consciousness by accepting these properties as objective features of the external physical world. I argue, first, that anti-modernism cannot fulfill its promise. Even if the outer world is resplendent with primitive colors, color experience remains a mystery. Second, I argue that the theoretical costs of accepting irreducible colors in the world are enormous. Even if irreducible colors in the world could dispel the mysteries surrounding consciousness, the theoretical benefit would not be worth the cost. If the problems of consciousness and color require that we posit irreducible properties somewhere, it would be far more plausible to accept irreducible phenomenal properties on the side of the subject, and to reject irreducible colors on the side of the object. (shrink)

The thesis is intended to contribute to the growing understanding of the indispensable role played by phenomenal consciousness in human cognition, and specifically in making our concepts of the external world available. The focus falls on so called observational concepts, a type of rudimentary, perceptually-based objective concepts in our repertoire — picking out manifest properties such as colors and shapes. A theory of such concepts gets provided, and, consequently, the exact role that perceptual consciousness plays in making concepts of this (...) sort available gets settled. In the first half of the thesis, observational concepts get construed as a special type of recognitional concepts. On an analogy with perceptual demonstratives, having such concepts would involve having non-trivial knowledge of their reference. The experiential basis of such concepts would, among other things, provide for such constitutive knowledge. The theoretical background relevant to the hypothesis gets provided in the first chapter. A defence of the hypothesis follows in the second. In the second half of the thesis, care is taken to distinguish among two ways in which the constitutive knowledge of the reference of an observational concept could be fleshed out. In the third chapter, perceptual experience is shown to provide the basis both for knowledge of observational properties by acquaintance, and for knowledge of the essence of such properties — provided that knowledge of essence gets construed in the right, modest way. It might be natural to take knowledge by acquaintance to be the sort relevant to observational concept possession, especially given that in the case of perceptual demonstratives this is the role likely played by experience. However, this initial impression proves to be mistaken. The constitutive knowledge of the referent of an observational concept turns out to consist in the capacity to determine a priori the essence of the respective property. To show this, an argument gets provided in the penultimate fourth chapter, based on the key role played by experiences of instances of observational properties in optimal viewing conditions in enabling the possession of the respective observational concept. (shrink)

I offer a novel defence of radically externalist theories of perception, via a strikingly spare and broadly physicalist metaphysics. The core, motivating claim is what I call a natural view of perception, according to which perception involves direct awareness of our environment, such that the phenomenology of experience consists of the worldly things perceived, as they appear to the perspective of the subject. To underpin this natural view, I propose a simple metaphysical picture of perception, which identifies the perceptual experience (...) with the relation of awareness holding between subject and object, a relation that can be described in familiar physical terms as a causal process involving the thing perceived and the perceiver. Distinctively, the simple metaphysical picture has no place for the notion of ‘experiences’ understood as distinctively ‘mental’ states or events internal or otherwise belonging to the subject. Although there is some limited precedent for the simple metaphysical picture of perception, I offer the first detailed argument for its role in underpinning the natural view. The thesis offers new and detailed arguments to show that the simple metaphysical picture can not only account for normal perceptual experiences, but can also accommodate and explain other forms of sensory experience that have widely been considered to undermine the natural view of perception. These ‘problem’ cases include perceptual illusion, hallucination, and the role of memory and beliefs in influencing how things appear perceptually. In all of these cases, the simple metaphysical picture accounts for the phenomenology of the experience purely in terms of awareness of worldly objects, albeit in some cases objects that are not currently present in the subject’s environment. The simple metaphysical picture thus promises to explain not just perceptual experience but phenomenal consciousness more generally. The natural view is explicitly a commitment of some varieties of naïve realism, but I argue that the two theses come apart. For one thing, the simple metaphysical picture offers a solution to hallucination and other ‘problem’ cases quite different to the solutions offered by naïve realists. However, the most striking and novel claim advanced here is that the natural view can be defended without a commitment to realism. In this regard, I cite evidence for the subject-relativity or experience-dependence of certain perceived qualities, notably colour, and show the simple metaphysical picture allows us to square this with the natural view that colours are ‘out there’ in the environment. I discuss the metaphysical implications of rejecting realism while adhering to the simple metaphysical picture, and outline a radical – and radically simple – metaphysics of the world in general that might preserve the natural view and accommodate the simple metaphysical picture of phenomenal consciousness more generally. This metaphysics takes the form of a process monism in which the governing metaphysical structuring principle is one of top-down determination, such that whole processes determine the nature of their constituent parts. (shrink)

The phenomenal particularity thesis says that if a mind-independent particular is consciously perceived in a given perception, that particular is among the constituents of the perception’s phenomenology. Martin, Campbell, Gomes and French and others defend this thesis. Against them are Mehta, Montague, Schellenberg and others, who have produced strong arguments that the phenomenal particularity thesis is false. Unfortunately, neither side has persuaded the other, and it seems that the debate between them is now at an impasse. This paper aims to (...) break through this impasse. It argues that we have reached the impasse because two distinct conceptions of phenomenology—a “narrow” conception and a “broad” conception—are compatible with our what-it-is-like characterizations of phenomenology. It also suggests that each of these two conceptions has its own theoretical value and use. Therefore, the paper recommends a pluralistic position, on which we acknowledge that there are two kinds of phenomenology: narrow phenomenology and broad phenomenology. The phenomenal particularity thesis is true only with respect to the latter. (shrink)