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- Rebecca Copenhaver, Thomas Reid's Direct Realism.Thomas Reid thought of himself as a critic of the representative theory of perception, of what he called the ‘theory of ideas’ or ‘the ideal theory’.2 He had no kind words for that theory: “The theory of ideas, like the Trojan horse, had a specious appearance both of innocence and beauty; but if those philosophers had known that it carried in its belly death and destruction to all science and common sense, they would not have broken down their walls to give it admittance.”3 Many have supposed that his opposition to the representative theory was grounded in his direct realism.4 A direct realist theory of perception holds that perception of external objects is not mediated by any mental entity whose intrinsic character licenses a move from the mental entity to the external object presented in perception. Reid himself, in an oration of 1759, delivered at graduation ceremonies over which he presided as regent and professor of philosophy at King’s College in Aberdeen, said that he did not “understand what need there is of an intermediate object for thought about something to be possible.”5 Hence, if Reid was not a direct realist, philosophers and historians would have to ask whether and to what degree Reid was what he thought himself to be.
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For Reid, the external senses have a “double province.” They give rise to both sensation and perception. This essay is about the relation of sensation and perception, a relation Reid’s sign theory of sensations describes. Drawing on Reid’s distinctions between general and particular principles of our constitution, relative and absolute conceptions, and original and acquired perception, the paper systematizes Reid’s sporadic comments on the sign theory. The aim is to offer an interpretation which reveals the overall structure, rationale and coherence of Reid’s sign theory.
There are currently two main philosophical theories of perception - Direct Realism and the Representative Theory. The former is supported by most contemporary philosophers, whereas the latter forms the groundwork for most scientific theories in this area. The paper describes a recent experiment involving retinal and cortical rivalry that provides strong empirical evidence that the Direct Realist theory is incorrect. There are of course a large number of related experiments on visual perception that would tend to lead us to the same conclusion, but the experiment described in this paper does so in a singularly direct and straightforward manner. Often the most telling experiments are the simplest.
Thomas Reid claims to share Locke's view that consciousness is a kind of inner sense. This is puzzling, given the role the inner-sense theory plays in indirect realism and in the theory of ideas generally. I argue that Reid does not in fact hold an inner-sense theory of consciousness and that his view differs importantly from contemporary higher-order theories of consciousness. For Reid, consciousness is a first-order representational process in which a mental state with a particular content suggests the application of recognitional concepts in forming beliefs or judgements to the effect that one is currently undergoing a state with that content. I take up the question of whether Reid's theory leads to a regress, and I argue that while the regress cannot be eliminated, it is mitigated by the non-hierarchical nature of Reid's theory of mind.
It is commonly said of modern philosophy that it introduced a representative theory of perception, a theory that places representative mental items between perceivers and ordinary physical objects. Such a theory, it has been thought, would be a form of indirect realism: we perceive objects only by means of apprehending mental entities that represent them. The moral of the story is that what began with Descartes’s revolution of basing objective truth on subjective certainty ends with Hume’s paroxysms of ambivalence and skepticism in the conclusion of the first book of the..
In this paper I develop and defend the thesis that there is a problem with Reid’s direct realism. I also think there is a solution to Reid’s problem, and that, in one passage, Reid has the solution in mind, though he never develops it in detail. But developing and defending Reid’s solution to the problem is the task of a second paper. The task of this paper is to show that Reid is committed to the direct realist thesis (DRT) mind-independent bodily qualities are among the immediate objects of perception; and that this thesis proves incompatible with Reid's sign theory of sensations (STS) sensations function as natural signs of bodily qualities in perception. My thesis bears argument due to the persistence of a dispute among Reid’s readers as to whether he endorsed the DRT, and if so whether it is indeed at odds with the STS. Some argue that Reid endorsed both theses, but that they are not at odds; others argue that the theses are at odds but that Reid did not endorse both; and, most recently, some have argued that Reid rejects the DRT, but not because it conflicts with the STS. My claim that he endorsed both theses and that they are at odds is itself at odds with each of these interpretive camps.
There is a problem about the compatibility of Reid's commitment to both a sign theory of sensations and also direct realism. I show that Reid is committed to three different senses of the claim that mind independent bodies and their qualities are among the immediate objects of perception, and I then argue that Reid's sign theory conflicts with one of these. I conclude by advocating one proposal for reconciling Reid's claims, deferring a thorough development and defence of the proposal to another paper.
Thomas Reid’s epistemological ambitions are decisively at the center of his work. However, if we take such ambitions to be the whole story, we are apt to overlook the theory of mind that Reid develops and deploys against the theory of ideas. Reid’s philosophy of mind is sophisticated and strikingly contemporary, and has, until recently, been lost in the shadow of his other philosophical accomplishments. Here I survey some aspects of Reid’s theory of mind that I find most interesting. I examine whether Reid is a mysterian about the mind, whether Reid has a direct realist theory of perception, and whether Reid has a higher-order, or “inner-sense,” view of consciousness. Along the way I will mention portions of the secondary literature that examine these aspects and point out whether and to what degree I part ways with the interpretations present in the literature.
1. Introduction. Like other direct realists, Thomas Reid offered an alternative to indirect realist and idealist accounts of perception. Reids alternative aimed to preserve the indirect realists commitment to realism about the objects of perception, and the idealists commitment to the immediacy of the minds relation to the objects of perception. Reid holds that what you perceive is mind independent or external; and your relation to such objects in perception is direct or immediate. In his own words, something which is extended and solid, which may be measured and weighed, is the immediate object of my touch and sight. And this object I take to be matter, and not an idea (IP II xi, 154).
Thomas Reid's distinction between original and acquired perception is not merely metaphysical; it has psychological and phenomenological stories to tell. Psychologically, acquired perception provides increased sensitivity to features in the environment. Phenomenologically, Reid's theory resists the notion that original perception is exhaustive of perceptual experience. James Van Cleve has argued that most cases of acquired perception do not count as perception and so do not pose a threat to Reid's direct realism. I argue that acquired perception is genuine perception and as direct as original perception. Perception is grounded in a productive and developing relationship between the mind and world.
Reid's theory of perception has long been cited as a paradigmatic example of direct realism; and the term “direct” undoubtedly carries the connotation that external objects are items in “the manifold of intuition.” There are important ways in which perception, on Reid's analysis, undoubtedly is immediate and direct. Nonetheless, this paper contends that, with the exception of his account of our perception of visible fi gure, Reid's theory is not an example of direct realism, if a condition of a theory of percep- tion's being a direct realist theory is that it hold that perception yields acquaintance with external objects, so that those objects are present to consciousness. The defense given in Thomas Reid and the Story of Epistemology of the no-acquaintance interpretation of Reid's theory occurred in the context of a comprehensive account of Reid's theory of perception, and was accordingly brief. This essay places that interpretation in the center of attention so as to offer a more adequate defense, developing somewhat more fully the arguments briefly presented in the book, and adding some additional considerations.
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