Evidence of a causal role for genes in human behavior underpins genetic essentialism, the scientifically flawed and socially hazardous idea that heritable characteristics are immutable. Behavior geneticists can challenge this idea by designing research that brings the contextual dependence of heritability estimates into sharper focus, and by incorporating a relevant statement into research reports and public outreach.

Peter Byrne tells the story of Hugh Everett III (1930-1982), whose "many worlds" theory of multiple universes has had a profound impact on physics and philosophy. Using Everett's unpublished papers (recently discovered in his son's basement) and dozens of interviews with his friends, colleagues, and surviving family members, Byrne paints, for the general reader, a detailed portrait of the genius who invented an astonishing way of describing our complex universe from the inside. Everett's mathematical model (called the "universal (...) wave function") treats all possible events as "equally real", and concludes that countless copies of every person and thing exist in all possible configurations spread over an infinity of universes: many worlds. Afflicted by depression and addictions, Everett strove to bring rational order to the professional realms in which he played historically significant roles. In addition to his famous interpretation of quantum mechanics, Everett wrote a classic paper in game theory; created computer algorithms that revolutionized military operations research; and performed pioneering work in artificial intelligence for top secret government projects. He wrote the original software for targeting cities in a nuclear hot war; and he was one of the first scientists to recognize the danger of nuclear winter. As a Cold Warrior, he designed logical systems that modeled "rational" human and machine behaviors, and yet he was largely oblivious to the emotional damage his irrational personal behavior inflicted upon his family, lovers, and business partners. He died young, but left behind a fascinating record of his life, including correspondence with such philosophically inclined physicists as Niels Bohr, Norbert Wiener, and John Wheeler. These remarkable letters illuminate the long and often bitter struggle to explain the paradox of measurement at the heart of quantum physics. In recent years, Everett's solution to this mysterious problem - the existence of a universe of universes - has gained considerable traction in scientific circles, not as science fiction, but as an explanation of physical reality. (shrink)

Traditionally, perceptual experiences—for example, the experience of seeing a cat—were thought to have two quite distinct components. When one sees a cat, one’s experience is “about” the cat: this is the representational or intentional component of the experience. One’s experience also has phenomenal character: this is the sensational component of the experience. Although the intentional and sensational components at least typically go together, in principle they might come apart: the intentional component could be present without the sensational component or vice (...) versa. (shrink)

The target article is an attempt to make some progress on the problem of color realism. Are objects colored? And what is the nature of the color properties? We defend the view that physical objects (for instance, tomatoes, radishes, and rubies) are colored, and that colors are physical properties, specifically types of reflectance. This is probably a minority opinion, at least among color scientists. Textbooks frequently claim that physical objects are not colored, and that the colors are "subjective" or "in (...) the mind." The article has two other purposes: first, to introduce an interdisciplinary audience to some distinctively philosophical tools that are useful in tackling the problem of color realism and, second, to clarify the various positions and central arguments in the debate. (shrink)

Perceptual experiences justify beliefs—that much seems obvious. As Brewer puts it, “sense experiential states provide reasons for empirical beliefs” (this volume, xx). In Mind and World McDowell argues that we can get from this apparent platitude to the controversial claim that perceptual experiences have conceptual content: [W]e can coherently credit experiences with rational relations to judgement and belief, but only if we take it that spontaneity is already implicated in receptivity; that is, only if we take it that experiences have (...) conceptual content. (1994, 162) Brewer agrees. Their view is sometimes called conceptualism; nonconceptualism is the rival position, that experiences have nonconceptual content. One initial obstacle is understanding what the issue is. What is conceptual content, and how is it different from nonconceptual content? Section 1 of this paper explains two versions of each of the rival positions: state (non)conceptualism and content (non)conceptualism; the latter pair is the locus of the relevant dispute. Two prominent arguments for content nonconceptualism—the richness argument and the continuity argument—both fail (section 2). McDowell’s and Brewer’s epistemological defenses of content conceptualism are also faulty (section 3). Section 4 gives a more simple-minded case for conceptualism; finally, some reasons are given for rejecting the claim—on one natural interpretation—that experiences justify beliefs. (shrink)

I know various contingent truths about my environment by perception. For example, by looking, I know that there is a computer before me; by hearing, I know that someone is talking in the corridor; by tasting, I know that the coffee has no sugar. I know these things because I have some built-in mechanisms specialized for detecting the state of my environment. One of these mechanisms, for instance, is presently transducing electromagnetic radiation (in a narrow band of wavelengths) coming from (...) the computer and the desk on which it sits. How that mechanism works is a complicated story—to put it mildly—and of course much remains unknown. But we can at least produce more-or- less plausible sketches of how the mechanism can start from retinal irradiation, and go on to deliver knowledge of my surroundings. Moreover, in the sort of world we inhabit, specialized detection mechanisms that are causally affected by the things they detect have no serious competition—seeing the computer by seeing an idea of the computer in the divine mind, for example, is not a feasible alternative. (shrink)

Siegel and Byrne debate whether perceptual experiences present rich properties or exclusively thin properties.

When we open our eyes, the world seems full of colored opaque objects, light sources, and transparent volumes. One historically popular view, _eliminativism_, is that the world is not in this respect as it appears to be: nothing has any color. Color _realism_, the denial of eliminativism, comes in three mutually exclusive varieties, which may be taken to exhaust the space of plausible realist theories. Acccording to _dispositionalism_, colors are _psychological_ dispositions: dispositions to produce certain kinds of visual experiences. According (...) to both _primitivism_ and _physicalism_, colors are not psychological dispositions; they differ in that primitivism says that no reductive analysis of the colors is possible, whereas physicalism says that they are physical properties. This paper is a defense of physicalism about color. (shrink)

Consciousness is the subject of many metaphors, and one of the most hardy perennials compares consciousness to a spotlight, illuminating certain mental goings-on, while leaving others to do their work in the dark. One way of elaborating the spotlight metaphor is this: mental events are loaded on to one end of a conveyer belt by the senses, and move with the belt.

"This admirable volume of readings is the first of a pair: the editors are to be applauded for placing the philosophy of color exactly where it should go, in ...

In spoken interactions, interlocutors carefully plan and time their utterances, minimising gaps and overlaps between consecutive turns. Cross-linguistic comparison has indicated that spoken languages vary only minimally in terms of turn-timing, and language acquisition research has shown pre-linguistic vocal turn-taking in the first half year of life. These observations suggest that the turn-taking system may provide a fundamental basis for our linguistic capacities. The question remains however to what extent our capacity for rapid turn-taking is determined by modality constraints. The (...) avoidance of overlapping turns could be motivated by the difficulty of hearing and speaking at the same time. If so, turn-taking in sign might show greater toleration for overlap. Alternatively, signed conversations may show a similar distribution of turn-timing as spoken languages, thus avoiding both gaps and overlaps. To address this question we look at turn-timing in question-answer sequences in spontaneous conversations of Sign Language of the Netherlands. The findings indicate that although there is considerable overlap in two or more signers' articulators in conversation, when proper allowance is made for onset preparation, post-utterance retraction and the intentional holding of signs for response, turn-taking latencies in sign look remarkably like those reported for spoken language. This is consistent with the possibility that, at least with regard to responses to questions, speakers and signers follow similar time courses in planning and producing their utterances in on-going conversation. This suggests that turn-taking systems may well be a shared cognitive infrastructure underlying all modern human languages, both spoken and signed. (shrink)

Anything is similar to anything, provided the respects of similarity are allowed to be gerrymandered or gruesome, as Goodman observed.2 But similarity in non-gruesome or—as I shall say—genuine respects is much less ecumenical. Colors, it seems, provide a compelling illustration of the distinction as applied to similarities among properties.3 For instance, in innumerable gruesome respects, blue is more similar to yellow than to purple. But in a genuine respect, blue is more similar to purple than to yellow (genuinely more similar, (...) as I shall sometimes put it). (shrink)

This paper accomplishes two tasks. First, I examine in detail Edmund Husserl’s earliest philosophy of surrogates, as it is found in his 1890 “On the Logic of Signs ”. I analyze his psychological and logical investigations of surrogates, where the former is concerned with explaining how these signs function and the latter with how they do so reliably. His differentiation of surrogates on the basis of their genetic origins and degrees of necessity is discussed. Second, the historical importance of this (...) text is disclosed by showing how Semiotic serves as both the inspiration for, and the foil to, Husserl’s 1901 First Logical Investigation. Husserl not only adopts the idea that linguistic signs can function via association, but also maintains that such signs can motivate me to execute one of two experiences. The key difference between the texts is that Husserl abandons his theory of surrogates in 1901, instead holding that I can experience absent objects by means of empty intentions. The reasons why Husserl found it necessary to transform this tenet of his philosophy are discussed at length. (shrink)

_the a priori role_ (for word T). For instance, perhaps anyone who understands the word _water_ is able to know, without appeal to any further a posteriori information, that _water_ refers to the clear, drinkable natural kind whose instances are predominant in our oceans and lakes (if _water_ refers at all.

This paper critically examines color relationalism and color relativism, two theories of color that are allegedly supported by variation in normal human color vision. We mostly discuss color relationalism, defended at length in Jonathan Cohen's The Red and the Real, and argue that the theory has insuperable problems.

In the writings of Daniel Dennett and Donald Davidson we find something like the following bold conjecture: it is an a priori truth that there is no gap between our best judgements of a subject's beliefs and desires and the truth about the subject's beliefs and desires. Under ideal conditions a subject's belief-box and desire-box become transparent.

This paper demonstrates that Edmund Husserl’s frequently overlooked 1890 manuscript, “On the Logic of Signs,” when closely investigated, reveals itself to be the hermeneutical touchstone for his seminal 1891 Philosophy of Arithmetic. As the former comprises Husserl’s earliest attempt to account for all of the different kinds of signitive experience, his conclusions there can be directly applied to the latter, which is focused on one particular type of sign; namely, number signs. Husserl’s 1890 descriptions of motivating and replacing signs will (...) be respectively employed to clarify his 1891 understanding of the authentic and inauthentic presentations of numbers via number signs. Moreover, his schematic classification of replacement-signs in Semiotic will illuminate the reasons why he believed the number system to be necessary for the operation of replacing number signs. (shrink)

Qualia inversion thought experiments are ubiquitous in contemporary philosophy of mind. The most popular kind is one or another variant of Locke's hypothetical case of.

The terminology surrounding the dispute between higher-order and first-order theories of consciousness is piled so high that it sometimes obscures the view. When the debris is cleared away, there is a real prospect.

Jackson's black-and-white Mary teaches us that the propositional content of perception cannot be fully expressed in language.

Saul Kripke’s much discussed Wittgenstein on Rules and Private Language has, I believe, been widely misinterpreted. The purpose of this note is to offer a correction. As it happens, on my reading of Kripke’s text Kripke’s Wittgenstein begins to look recognisably like Wittgenstein himself. But I shall not be concerned here with the question of whether Kripke’s Wittgenstein is Wittgenstein. My only aim is to correct the misinterpretation.

Short commentary on a paper by Ned Block.

Philosophers of mind have distinguished (and sometimes conflated) various qualities. This article tries to sort things out.

_Consciousness, Color, and Content_ is a significant contribution to our understanding of consciousness, among other things. I have learned a lot from it, as well as Tye.

Some things are _about_, or are _directed on_ , or _represent_, other things. For example, the sentence 'Cats are animals' is about cats (and about animals), this article is about intentionality, Emanuel Leutze's most famous painting is about Washington's crossing of the Delaware, lanterns hung in Boston's North Church were about the British, and a map of Boston is about Boston. In contrast, '#a$b', a blank slate, and the city of Boston are not about anything. Many mental states and events (...) also have "aboutness": the belief that cats are animals is about cats, as is the fear of cats, the desire to have many cats, and seeing that the cats are on the mat. Arguably some mental states and events are not about anything: sensations, like pains and itches, are often held to be examples. Actions can also be about other things: hunting for the cat is about the cat, although tripping over the cat is not. This -- rather vaguely characterized -- phenomenon of "aboutness" is called _intentionality_. Something that is about (directed on, represents) something else is said to "have intentionality", or (in the case of mental states) is said to be an "intentional mental state". (shrink)

We have justified beliefs about the external world, and some of these are formed directly on the basis of perception. I may justifiably believe that a certain dog is in certain manger, and I may have this belief because I can see that the dog is in the manger. So far, so good.

An appeal to philosophers who believe in social contract theory to revise their thinking in fundamental ways. In particular, it calls upon them to take corporations -- especially transnational corporations -- more seriously in their speculations on the "just state" than they have up till now. Why? Because transnational corporations today exercise de facto sovereignty--a sovereignty that always influences, sometomes equals, and often overpowers the sovereignty of nation states. (Excerpted from Paul Durbin's detailed analysis of book in 2006.).

Not the publicly asserted reasons (humanitarianism and self-defense) but cooptation of oil reserves was the objective behind the US invasion of Iraq in 2003. This underlying motive utterly fails to satisfy just war jus ad bellum conditions. This prioritization of petroleum is well documented and is consistent with decades old US policy towards the Middle East, especially as codified by Anthony Cordesman in 1998 and US DoD's Strategic Assessment 1999 and then adopted by Bush II. This fraudulent use of military (...) force raises a question as to how motives for war can be accurately identified prior to falsely justified belligerence. Some positive signs are noted herein as to political philosophers' better use of Rawls's reflective equilibrium. (shrink)

Introductory texts in the philosophy of mind often begin with a discussion of behaviourism, presented as one of the few theories of mind that have been conclusively refuted. But matters are not that simple: behaviourism, in one form or another, is still alive and kicking.

Survey of (mostly English-language) philosophical studies of techology as of 1987. Includes studies of work as affected by technology, the extent of technology's impact on workers, a comparison between the value of work as seen by synchronists and by diachronists and by feminists, and finally some projections as to work and technology in the future.

Byrne's criteria for considering imagination rational do not accord with standard notions of rationality. A different criterion is offered and illustrated with recent work on possibility judgment. This analysis suggests that, although imagination can be put to rational purposes, imagination itself should not be considered rational.

Privacy involves a zone of inaccessibility in a particular context. In social discourse it pertains to activities that are not public, the latter being by definition knowable by outsiders. The public domain so called is the opposite of secrecy and somewhat less so of confidentiality. The private sphere is respected in law and morality, now in terms of a right to privacy. In law some violations of privacy are torts. Philosophers tend to associate privacy with personhood. Professional relationships are prima (...) facie private but may be investigated for cause. Privacy may entail both intimacy and caring but neither necessarily so. Finally, various technology-based means of intrusion are rendering privacy ever more difficult to sustain. (shrink)

Theorists and activists favor empowering government agencies to regulate technology; but an examination of such regulation by the US government exposes the inadequacy of any such regimen. Vested interests routinely interfere, e.g., keeping administration of polio vaccine in the hands of physicians, political infighting with regard to cancer research funding, advantages gained from noncompliance with military technology-constraining treaties. Public/private salary differences limit availability of the best talents for government positions, nor are truly appropriate regulatory policies easily arrived at in the (...) absence of meaningful funding. Solutions such as a Science Court are unreliable given the influences that would undermine neutrality as well as competence. (shrink)

Contra mercantile propaganda, technology is "humanized" to the extent that it satisfies or at least permits satisfaction of basic human needs or enhancements. To assess a technology's contribution to humanization requires (1) rejection of the primacy of the machine (cyborg model) and commitment to primacy of the human being (prosthesis model) in man/machine relations, and (2) insistence on the responsibility of managers for consequences of their technology-related decisions. Such decisions are appropriate in this respect to the extent that they help (...) meet basic human needs rather than artificially engendered needs. Meta-evaluation requires active citizen participation in government regulation of technology. (shrink)

Businesses cause social harm, meaning harm to society at large and not just to those with whom a business is contractually linked. Evidence introduced: normative claims that businesses should be "socially responsible"; positive claims that they contribute to social well-being; and negative claims that they are sometimes military-like, causing extensive harm for which no one is held personally responsible. The latter point to corporate survivalism, which acknowledges no mandatory civil responsibilities. Neither law nor social pressure has yet counteracted this mind (...) set. Business ethics might, but not if its practitioners examine only narrowly contractual relationships. (shrink)

A critique of the prediction that technology will end humans' direct involvement in work. Contentions: a workless world is not without qualification desirable; it is not attainable by technology alone; the end sought does not in and by itself justify present job ending applications. Underlying these contentions: a claim that utopian visions with regard to work function as ideologies. Evidence for this claim derived from revisiting past non-industrial and industrial fantasies regarding a work-free utopia.

Law and technology , though not equivalent, are intertwined at every phase of a technology's "career." Any technology is directly or indirectly social, and as such becomes a target of regulation intrinsically or in relation to other technologies which it supports or opposes. Competing interests influence major decisions as to which technologies are encouraged or discouraged, heavily regulated or not, banned or not. Examples considered range from bounties to fuel, communication, and transportation preferences.

An adequate philosophy of technology will not stop with knowledge-claim considerations, like traditional philosophy of science, but will address public policy issues, as is done regarding science via science policy studies. Technology is not merely "applied science" but generates attention to normative issues engendered by technologies. Philosophers of technology can find support for such normative concerns in studies of the value impact of applying science, e.g., those of Radnitzky, Ravetz and Mumford, and such organizations as the Club of Rome.