Cortical color blindness, or cerebral achromatopsia, has been likened by some authors to ''blindsight'' for color or an instance of ''covert'' processing of color. Recently, it has been shown that, although such patients are unable to identify or discriminate hue differences, they nevertheless show a striking ability to process wavelength differences, which can result in preserved sensitivity to chromatic contrast and motion in equiluminant displays. Moreover, visually evoked cortical potentials can still be elicited in response to chromatic stimuli. We (...) suggest that these demonstrations reveal intact residual processes rather than the operation of covert processes, where proficient performance is accompanied by a denial of phenomenal awareness. We sought evidence for such covert processes by conducting appropriate tests on achromatopsic subject M.S. An ''indirect'' test entailing measurement of reaction times for letter identification failed to reveal covert color processes. In contrast, in a forced choice oddity task for color, M.S. was unable to verbally indicate the position of the different color, but was surprisingly adept at making an appropriate eye movement to its location. This ''direct'' test thus revealed the possible covert use of chromatic differences. (shrink)

Drawing on contemporary epistemologies of ignorance, I analyze the American ideology of color blindness as a recalcitrant form of active ignorance that operates at a meta-level. I contend that the meta-ignorance involved in color blindness operates through distorting second-order attitudes about one's cognitive and affective attitudes, resulting in cognitive and affective numbness with respect to racial matters: ignorance of one's racial ignorance and insensitivity to one's racial insensitivity. I contend that the black/white binary that has dominated the American (...) racial imagination has contributed tremendously to establish and maintain meta-blindness about racial differences. I suggest that overcoming the black/white binary demands that we expand current conceptions of racial lucidity and that we go beyond the notions of double consciousness that critical race theorists have defended since Du Bois and Fanon. According to a more expansive social pluralism, lucidity with respect to racial differences requires a kaleidoscopic consciousness that does not reinscribe the black/white binary in one's racial imagination. (shrink)

In this paper I will examine the ways in which concepts and ideas that are used for emancipatory purposes eventually backfire and are used to perpetuate systems of domination. Part of my argument will be based on Herbert Marcuse’s essay “Repressive Tolerance.” In this essay, Marcuse examines the way in which the concept of tolerance, which has its origin in the struggle for liberation, is used by members of dominant social groups to advocate for tolerance of their oppressive views. Following (...) Marcuse’s lead, I will argue that almost all emancipatory ideas, particularly diversity and color-blindness in this context, can be co-opted by the dominant social group and used to further domination. I will argue that even our best emancipatory concepts are formed within the context of a hegemonic discourse that alters their meaning and use. (shrink)

This article draws on the social theory of Theodor W. Adorno in order to critique the discourse of ‘color-blindness’ and articulate an alternative individualist ideal of racial justice. I begin by noting that Adorno’s criticism of law in Negative Dialectics anticipates arguments against color-blindness advanced in critical race theory. I then explicate Adorno’s understanding of law in relation to his broader account of social domination. Race can be situated within this account through the concept of ‘second nature’. The (...) notion of racial second nature elucidates the contradiction within color-blindness between formal equality and substantive inequality. As an alternative to the color-blind norm, I posit Adorno’s utopian ideal of emancipated individuality as an appropriate aspiration for racial justice. This ideal enables the jurisgenerative transformation of liberal rights concepts, which have at once enabled and constrained the struggle for racial equity. (shrink)

The following case study utilizes in-depth qualitative interviews and participant observation data in order to examine how color-blindness operates in a diverse Christian fraternity. The color-blind ideology functions in two distinct ways: to authenticate the fraternity’s collective religious identity as an inclusive Christian community and to obscure within-group racial inequalities reproduced through tokenizing racist jokes aimed at its non-white members. Color-blind statements allow members to attribute their organization’s racial diversity to their accepting religious doctrine, while also making problems of (...) race within the organization difficult to address. This article provides a theoretical contribution by highlighting the dire implications of ignoring race in diverse religious groups, particularly problematic within the “edgy” joking subculture of Christian fraternities. (shrink)

Chronological typologies of racial ideologies have always been somewhat controversial, but in contemporary academe, a general consensus has emerged, one that integrates the theories of Ladelle McWhorter, on the one hand, and Eduardo Bonilla-Silva, on the other hand. In this schema, the invention of racism in the early modern period was defined by morphological racism or, in McWhorter’s words, “physical appearance,”1 followed by the creation of a biological or scientific racism that can be roughly dated to the Industrial Revolution. After (...) the various social movements for racial justice in the mid-twentieth century, and the turn to “political correctness,” many theorists such as Carr and Bonilla-Silva have argued... (shrink)

Source: Author: Faeze Rezazade, Esmaeil Zohdi Discrimination and racial injustice towards Blacks have existed among the groups of people since the very beginning of their gatherings as a communication and society. Throughout history, people of colored skin, especially Blacks, were not accepted in the Whites’ communities due to the Whites’ thought of supremacy over them. Regardless of their positive role and doing manual labor in keeping the wheels of the Whites’ industry turning, Blacks were always treated as nonhuman and “clownish” (...) creatures born to serve Whites. African Americans are the main groups of Blacks who suffer from discrimination and racial injustice because they are living among Whites, though segregated from the Whites’ society. However, there are many white individuals who do not consider the skin color and treat Blacks as human beings and only humanity and good nature of the people matters to them. Nelle Harper Lee in her masterpiece, To Kill a Mockingbird, written in 1960, introduces three children and Atticus, who is Scout and Jem’s father, as color-blind characters who fraternize with Blacks as humans without paying attention to their skin color. Therefore, using W. E. B. Du Bois’ thoughts- regarding prejudice, discrimination, and racial injustice- in this article it has been tried to investigate Atticus’ and three children’s color blindness in the case of racism in To Kill a Mockingbird. ]]>. (shrink)

ABSTRACTThose who take ‘All lives matter’ to oppose ‘Black lives matter’ take the latter to mean something like ‘Only black lives matter.’ Those who regard this exclusionary construal as mistaken hold the error to be due to an ideology of color-blindness. It has further been argued that the ideologically-motivated suppression of racial discourse has resulted in an epistemic injustice, blinding objectors to the fact that ‘Black lives matter’ really means ‘Black lives matter, too’. I will argue that attempts to (...) make sense of this interpretive response in terms of color-blindness are mistaken. As I will discuss, the interpretive debates surrounding the words ‘Black lives matter’ are reminiscent of those surrounding ‘Black Power,’ which unfolded long before color-blindness could be said to have been a prevailing ethos. Critical affirmations such as ‘Black Power’ and ‘Black lives matter’ have proved difficult for many interpreters to understand because of the way that they manifest resistance to white suprema... (shrink)

Interrogating received knowledge is constitutive to any critical project, and recently there has been a wave of scholarship which argues for locating the origin of racist-thinking prior to modern Europe—even prior to the Common Era—without any real consideration of the potential dangers accompanying such a seismic redefinition. By expanding “racism” to include potentially any pre-modern xenophobic or ethnicist atrocity, even well-meaning scholarship dilutes the peculiar injustice of modern Europe’s most successful epistemological weapon. As a result, we lose any criteria to (...) distinguish ubiquitous oppressive projects from specifically racist-projects of hegemony and domination. However laudable its intent, such scholarship falls prey to methodological, epistemological, and practical errors that hamstring the ameliorative impact of contemporary anti-racist work while ironically diminishing racism’s impact. For if every conflict is racist, then contemporary colorblindness is correct: if white supremacy isn’t particularly white, then racism is a distinction without a difference. (shrink)

Color-vision defects constitute a spectrum of disorders with varying degrees and types of departure from normal human color vision. One form of color-vision defect is dichromacy; by mixing together only two lights, the dichromat can match any light, unlike normal trichromatic humans, who need to mix three. In a philosophical context, our titular question may be taken in two ways. First, it can be taken at face value as a question about visible properties of external objects, and second, it may (...) be interpreted as the more intangible question of “what it’s like” to be color-blind. (shrink)

Despite myths of color-blindness in the Netherlands, Black women are marginalized by mainstream expectations of racial and cultural homogeneity. I use Amsterdam Black Women as a case study to illustrate the lived experiences of women affected by this exclusion. In this space, women freely critique Dutch society through mundane moments of truth-telling, venting, and joking, which enable individual problems to rise to a community level. I explore how subtle configurations of Black feminist organizing can be key sites of healing, (...) experimentation, and political engagement. This research complicates how we understand experiences of misogynoir when race consciousness is blended in a transnational context and how Amsterdam Black Women has made possible the refusal of Dutch norms that require members to accept their oppression silently and support false narratives of progressiveness and color-blindness. (shrink)

Like many fields, bioethics has been constrained to thinking to race in terms of colorblindness, the idea that ideal deliberation would ignore race and hence prevent bias. There are practical and ethically significant problems with colorblind approaches to ethical deliberation, and important reasons why race is ethically relevant. Future discourse needs to understand how and why race is relevant in bioethics.

Our question is: how do things look to the color-blind? But what does that mean? Who are the “color-blind”? Approximately 7% of males and fewer than 1% of females (of European descent1) have some form of inherited defect of color vision, and as a result are unable to discriminate some colored stimuli that most of us can tell apart. (‘Color defective’ is an alternative term that is often used; we will continue to speak with the vulgar.) Color vision defects constitute (...) a spectrum of disorders with varying degrees and types of departure from normal human color vision. One form of color vision defect is dichromacy: by mixing together only two lights, the dichromat can match any light, unlike normal trichromatic humans who need to mix three. The most common form of dichromacy (afflicting about 2% of males) is red-green color blindness, or red-green dichromacy, which itself comes in two varieties. A red-green dichromat will not be able to distinguish some pairs of stimuli that respectively appear red and green to those with normal color vision. For simplicity we will concentrate almost exclusively on red-green color blindness.2 In a philosophical context our question is liable to be taken two ways. First, it can be straightforwardly taken as a question about visible properties of external objects like.. (shrink)

Like many fields, bioethics has been constrained to thinking to race in terms of colorblindness, the idea that ideal deliberation would ignore race and hence prevent bias. There are practical and e...

We tend to think that the two great scourges of humankind, sexism and racism, have been around since the beginning of time. With regard to sexism, this is true. Aristotle, for example, thought women are malformed men: they do not have rational souls; they do not have enough soul heat to think properly or to boil their menstrual blood into semen; and, the cruelest cut of all, they are inferior because they have one less tooth than men. Aristotle also believed, (...) along with his compatriots, that all non-Greeks were barbarians and that slavery, especially for those of an inferior class or those captured in war, was completely justified. But Aristotle, and all other ancients of whom we are aware, did not ever think of discriminating against people because of the color of their skin. (shrink)

One of the central characteristics of public health disasters is the rapid overlapping of different needs and priorities that require making critical choices that inevitably elicit conflicti...

forthcoming in Color Ontology and Color Science, ed. J. Cohen and M. Matthen (MIT).

In America today, the problem of achieving racial justice--whether through "color-blind" policies or through affirmative action--provokes more noisy name-calling than fruitful deliberation. In Color Conscious, K. Anthony Appiah and Amy Gutmann, two eminent moral and political philosophers, seek to clear the ground for a discussion of the place of race in politics and in our moral lives. Provocative and insightful, their essays tackle different aspects of the question of racial justice; together they provide a compelling response to our nation's most (...) vexing problem.Appiah begins by establishing the problematic nature of the idea of race. He draws on the scholarly consensus that "race" has no legitimate biological basis, exploring the history of its invention as a social category and showing how the concept has been used to explain differences among groups of people by mistakenly attributing various "essences" to them. Appiah argues that, while people of color may still need to gather together, in the face of racism, under the banner of race, they need also to balance carefully the calls of race against the many other dimensions of individual identity; and he suggests, finally, what this might mean for our political life.Gutmann examines alternative political responses to racial injustice. She argues that American politics cannot be fair to all citizens by being color blind because American society is not color blind. Fairness, not color blindness, is a fundamental principle of justice. Whether policies should be color-conscious, class conscious, or both in particular situations, depends on an open-minded assessment of their fairness. Exploring timely issues of university admissions, corporate hiring, and political representation, Gutmann develops a moral perspective that supports a commitment to constitutional democracy.Appiah and Gutmann write candidly and carefully, presenting many-faceted interpretations of a host of controversial issues. Rather than supplying simple answers to complex questions, they offer to citizens of every color principled starting points for the ongoing national discussions about race. (shrink)

Philosophers and scientists have long speculated about the nature of color. Atomists such as Democritus thought color to be "conventional," not real; Galileo and other key figures of the Scientific Revolution thought that it was an erroneous projection of our own sensations onto external objects. More recently, philosophers have enriched the debate about color by aligning the most advanced color science with the most sophisticated methods of analytical philosophy. In this volume, leading scientists and philosophers examine new problems with new (...) analytic tools, considering such topics as the psychophysical measurement of color and its implications, the nature of color experience in both normal color-perceivers and the color blind, and questions that arise from what we now know about the neural processing of color information, color consciousness, and color language. Taken together, these papers point toward a complete restructuring of current orthodoxy concerning color experience and how it relates to objective reality. Kuehni, Jameson, Mausfeld, and Niederee discuss how the traditional framework of a three-dimensional color space and basic color terms is far too simple to capture the complexities of color experience. Clark and MacLeod discuss the difficulties of a materialist account of color experience. Churchland, Cohen, Matthen, and Westphal offer competing accounts of color ontology. Finally, Broackes and Byrne and Hilbert discuss the phenomenology of color blindness. Contributors: Justin Broackes, Alex Byrne, Paul M. Churchland, Austen Clark, Jonathan Cohen, David R. Hilbert, Kimberly A. Jameson, Rolf Kuehni, Don I.A. MacLeod, Mohan Matthen, Rainer Mausfeld, Richard Niederée, Jonathan Westphal The hardcover edition does not include a dust jacket. (shrink)

This chapter discusses color blindness and how it can be considered a guide and test for theories of normal vision. There are a multitude of stories to be told about the physiology of the receptor pigments of the eye and the genes that code for them, about the various kinds of cells in the retina and elsewhere in the visual system, and about color processing in the brain. It is a topic on which psychologists, physicists, biologists, and neurophysiologists have (...) reason to be proud and glad of the convergence of interests and views. Color blindness might, at first, seem just a peripheral abnormality, but it has often been both a guide to the nature of normal color vision and a test application for theories of it. It has the potential to provide cases where the various components of a complex process that are either hard or impossible to separate artificially are found already separated in nature. (shrink)

Blindsight, the ability to blindly discriminate wavelength and other aspects of stimuli in a blind field, sometimes occurs in people with lesions to striate (V1) cortex. There is currently no consensus on whether qualitative color information of the sort that is normally computed by double opponent cells in striate cortex is indeed computed in blindsight but doesn’t reach awareness, perhaps owing to abnormal neuron responsiveness in striate or extra-striate cortical areas, or is not computed at all. The existence of primesight, (...) the experience of colored afterimages in blindsight, has been taken to suggest that qualitative color information is computed either in pre-striate or striate cortical areas but is not broadcast to working memory. I argue here that a recent study in which color phosphenes were induced in a blindsighter using bilateral transcranial magnetic stimulation indicates that computations necessary for conscious color vision are lost in blindsight. Owing to this loss, the neural responsiveness in extrastriate cortical areas is abnormal and hence is unable to give rise to color awareness. Blindsight is thus degraded vision in which the computations necessary for conscious color vision have been lost. (shrink)

Laura Berchielli - Color, Space and Figure in Locke: An Interpretation of the Molyneux Problem - Journal of the History of Philosophy 40:1 Journal of the History of Philosophy 40.1 47-65 Color, Space, and Figure in Locke: An Interpretation of the Molyneux Problem Laura Berchielli THIS IS HOW LOCKE, in the second edition of his Essay Concerning Human Understanding , introduces a question that had been suggested to him in a letter from William Molyneux: . . . I shall here (...) insert a Problem of that very Ingenious and Studious promoter of Knowledge, the Learned and Worthy Mr. Molineux, which he was pleased to send me in a Letter some Months since; and it is this: Suppose a Man born blind, and now adult, and taught by his touch to distinguish between a Cube, and a Sphere of the same metal, and nighly of the same bigness, so as to tell, when he felt one and t'other, which is the Cube, which the Sphere. Suppose then the Cube and Sphere placed on a Table, and the Blind Man to be made to see. Quaere, Whether by his Sight, before he touch'd them, he could now distinguish, and tell, which is the Globe, which the Cube. In the standard interpretation of the Molyneux problem as presented in Locke, the question is always linked to the general issue of differences in the ideas of figure received by the various senses. This interpretation -- put forward by Berkeley --says that for Locke, the ideas of figure produced by sight are specifically different from.. (shrink)

Change blindness—our inability to detect changes in a stimulus—occurs even when the change takes place gradually, without disruption (Simons et al., 2000). Such gradual changes are more difficult to detect than changes that involve a disruption. In this experiment, we extend previous findings to the domain of facial expressions of emotions occurring in the context of a realistic scene. Even with changes occurring in central, highly relevant stimuli such as faces, gradual changes still produced high levels of change (...) class='Hi'>blindness: Detection rates were three times lower for gradual changes than for displays involving disruption, with only 15% of the observers perceiving the gradual change within a single trial. However, despite this high rate of change blindness, changes on faces were significantly better detected than color changes occurring on non facial objects in the same scene. (shrink)

Images of animals are all around us. Yet the visibility offered by wildlife photography can't help but contribute to an image of the animal as fundamentally separate from the human. But how can we get closer to animals without making them aware of us or changing their relationship to their environment? The Blind might be the answer. Developed for naturalists by the Institute of Critical Zoologists, the Blind is a camouflage cloak that works on the principle that an object vanishes (...) from sight if light rays striking it are not reflected, but are instead forced to flow around as if it were not there. In fifty stunning color photographs, this volumeshows the cloak tested in nature reserves, grasslands, and urban environments. By taking the human out of the picture,The Blind offers an opportunity to explore how we see animals in photography. (shrink)

What is color? Of course, examples of colorful objects are not hard to come by (Fig. 1 provides numerous examples), so the question itself is slightly puzzling, suggesting that some confusion needs to be cleared up or ignorance enlightened. But how could anyone (who isn’t blind or Fig. 1 Atoms Inside Balloons totally lacking in color vision) possibly be confused about what color is? After all, if we learn anything about the world merely by looking at it, it’s the colors (...) of the things we see. How could we do this if we were confused about or ignorant of the nature of color? We might be confused.. (shrink)

In a promising working note to the Visible and Invisible, Merleau-Ponty proposes that we understand Being according to topological space – relations of proximity, distance, and envelopment – and move away from an image of Being based on homogeneous, inert Euclidean space. With reference to treatments of cross-sensory perception, color-blindness, and the concept of quale or qualia, I seek to rehearse this shift from Euclidean to topological Being by illustrating how modern science confines color itself to a Euclidean model (...) of color space. I discuss “being as Object” in Merleau-Ponty’s later work before showing how color, and indeed all perception, is reduced to being as Object in the form of “quale”. Next, I address discussions in Merleau-Ponty’s work and contemporary research to illustrate how synesthesia and so-called color-blindness are rendered abnormal by this objectified being of color. Merleau-Ponty’s reading of synesthesia follows directly from his rejection of quale, and his use of color perception serves as a rejection of solipsism. With appeal to his proposed topological model of Being, I conclude by recognizing the problematic nature of synesthesia and color-blindness as being ontological, not psychological.Dans une note de travail, à mon sens décisive, du Visible et l’Invisible, Merleau-Ponty propose que l’on comprenne l’Être à partir de l’espace topologique – relations de proximité, distance et enveloppement – allant à l’encontre d’une l’image de l’Être fondée sur un espace euclidien homogène et inerte. En faisant référence aux traitements de la perception synesthésique, au daltonisme et au concept de quale ou qualia, j’essayerai de décrire ce passage de l’Être euclidien à l’Être topologique en montrant que la science moderne finit par confiner la couleur dans un modèle euclidien d’espace-couleur. J’examinerai « l’Être-objet » dans les derniers écrits de Merleau-Ponty avant de montrer comment la couleur, et plus en général la perception, est réduite à être comme un Objet dans la forme d’un « quale ». Ensuite, en examinant les analyses merleau-pontiennes et les recherches contemporaines, je montrerai comment la synesthésie et le daltonisme sont donc considérés comme anormaux à partir de cette objectivation de la couleur. La lecture que Merleau-Ponty donne de la synesthésie est la conséquence directe de son refus du quale, et l’utilisation qu’il fait de la perception des couleurs sert comme un refus du solipsisme. En faisant appel au modèle topologique de l’Être qu’il propose, je conclurai en constatant que la nature problématique de la synesthésie et du daltonisme est ontologique et non pas psychologique.In una nota di lavoro al Visibile e l’invisibile, Merleau-Ponty propone di comprendere l’Essere a partire da uno spazio topologico – secondo le relazioni di prossimità, distanza e avvolgimento – e abbandona l’immagine di un Essere fondato su uno spazio omogeneo, inerte, euclideo. Facendo riferimento ai trattamenti per le percezioni sinestetiche, al daltonismo e al concetto di quale o qualia, si cercherà di provare questo passaggio da un Essere euclideo a uno topologico, illustrando quanto la scienza moderna tenda a ridurre il concetto stesso di colore a un modello euclideo di spazio-colore. Si esaminerà l’“Essere-oggetto” degli ultimi lavori di Merleau-Ponty, mostrando come il colore, e in realtà la percezione tout court, vengano ridotti a oggetto nella forma di “quale”. Infine, si esaminerà l’opera merleau-pontiana e la ricerca contemporanea al fine di illustrare quanto la sinestesia e il daltonismo siano resi anormali da questa oggettivazione dell’essere del colore. L’interpretazione merleau-pontiana della sinestesia deriva proprio dal suo rifiuto del quale, e il suo uso della percezione del colore funge da rifiuto del solipsismo. Ricorrendo al modello topologico di Essere elaborato da Merleau-Ponty, si conclude riconoscendo che il problema della sinestesia e del daltonismo è, a tutti gli effetti, ontologico e non psicologico. (shrink)

In a now famous thought experiment, Frank jackson asked us t0 imagine an omniscient scientist, Mary, who is coniincd in a black-and-white room and then released into the world 0f color . Assuming that she is omniscicnt in respect of all physical facts—roughiy, all the facts available to physics and all the facts that they in turn Hx or determine-physicalism would suggest that there is no new fact Mary can discover after emancipation; physicalism holds that all facts are physical in (...) the relevant sense . Yet we cannot help but feel that coming out of that room would be an occasion of dramatic enlightenment and, in particular, an occasion for learning facts to do with how red or yellow or blue 100ks or, as it is usually said, with what it is like t0 sec red or yellow or blue. Many in the black-and—whit<—: room knew all the physical facts about the world, where these may be taken to include three sorts of color facts: objcctual facts, as to what surface colors different objects have, assuming as I shall do throughout—that colors are properties of objects; intentional facts, as to which colors different objects 0r apparent objects are represented as having in the subjc-:ct’s experience, rightly or wrongly; and nonintentional facts, about what such color experiences are like in their effects on subiccts—wh<—:ther they are comforting, or arousing, or whatever. But, according to the argument, Mary didn’t know how any color looks or, equivalently, what color experience is like in itself, not just in its effects O1'1 subjects. This particular nonintentional fact about the quality of color c-zxpc-2ri<—:ncc-—this phenomenal fact, as it is often describcd—she did not. (shrink)

Salient stimuli presented at unattended locations are not always perceived, a phenomenon termed inattentional blindness. We hypothesized that inattentional blindness may be mediated by attentional inhibition. It has been shown that attentional inhibition effects are maximal near an attended location. If our hypothesis is correct, inattentional blindness effects should similarly be maximal near an attended location. During central fixation, participants viewed rapidly presented colored digits at a peripheral location. An unexpected black circle was concurrently presented. Participants were (...) instructed to maintain central fixation and name each color/digit, requiring focused attention to that location. For each participant, the critical stimulus was presented either near to or far from the attended location . In support of our hypothesis, inattentional blindness effects were maximal near the attended location, but only at intermediate task accuracy. (shrink)