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In two studies we investigated the association between physical cleansing and moral and immoral behavior in real-life situations. In Study 1, after a workout at the gym, participants cheated more after taking a shower than before taking one. In the second study, participants donated more money to charity before rather than after they bathed for religious purification. The results extend previous findings about moral cleansing and moral licensing and are discussed within the framework of conceptual metaphor theory.

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Photographers JohnShimon and Julie Lindemann use antique cameras, modern lens technology, artificial light, and contemporary pop culture to create portraits of the people in their native state amidst backyards, living rooms, parking lots, and the landscape of Wisconsin. These recent photographs are juxtaposed with portraits from the Milwaukee Art Museum’s permanent collections, including daguerreotype portraits, ambrotypes, and tintypes of anonymous people taken by nineteenth-century photographers, as well with photographs by such well-known artists as Alfred Stieglitz, Sally Mann, Larry (...) Clark, Walker Evans, Nan Goldin, Eugene von Beuenchenhein, and Francis Ford. The pairings of new and old illustrate the legacy of portraiture and the significance of “posing” before the lens, and each image is enriched by its proximity to another, unmasking sitter, photographer, and viewer. Unmasked & Anonymous:Shimon & Lindemann Consider Portraiture includes more than sixty color and black-and-white photographs plus essays byShimon, Lindemann, and Milwaukee Art Museum curator Lisa Hostetler. (shrink)

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The strangeness of modern physics has sparked several popular books--such as The Tao of Physics--that explore its affinity with Eastern mysticism. But the founders of quantum mechanics were educated in the classical traditions of Western civilization and Western philosophy. In Nature Loves to Hide, physicistShimon Malin takes readers on a fascinating tour of quantum theory--one that turns to Western philosophical thought to clarify this strange yet inescapable explanation of reality. Malin translates quantum mechanics into plain English, explaining its (...) origins and workings against the backdrop of the famous debate between Niels Bohr and the skeptical Albert Einstein. Then he moves on to build a philosophical framework that can account for the quantum nature of reality. He shows, for instance, how Platonic and Neoplatonic thought resonates with quantum theory. He draws out the linkage between the concepts of Neoplatonism and the more recent process philosophy of Alfred North Whitehead. The universe, Whitehead wrote, is an organic whole, composed not of lifeless objects, but "elementary experiences." Beginning with Whitehead's insight, Malin shows how this concept of "throbs of experience" expresses quantum reality, with its subatomic uncertainties, its constituents that are waves and also particles, its emphasis on acts of measurement. Once any educated person could explain the universe as a vast Newtonian web of cause and effect, but since quantum theory, reality again appears to be richer and more mysterious than we had thought. Writing with broad humanistic insight and deep knowledge of science, and using delightful conversations with fictional astronauts Peter and Julie to explain more difficult concepts,Shimon Malin offers a profound new understanding of the nature of reality--one that shows a deep continuity with aspects of our Western philosophical tradition going back 2500 years, and that feels more deeply satisfying, and truer, than the clockwork universe of Newton. (shrink)

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Erasmus of Rotterdam was the greatest Christian humanist scholar of the Northern European Renaissance, a correspondent of Sir Thomas More and many other learned men of his time, known to his contemporaries and to posterity for subtlety of his thought and the depth of his learning. He was also, according to some modern writers, an anti-Semite. In this complete analysis of all of Erasmus' writings on Jews and Judaism,Shimon Markish asserts that the accusation cannot be sustained. For Markish, (...) to ask whether Erasmus was a friend or enemy of the Jews is to ask a modern question of a sixteenth-century man, whose attitude can best be called "asemitism." Erasmus' chief preoccupation was with the future of "the true philosophy of Christ"; he had little interest in the Jewish community of his own time. Erasmus and the Jews discusses Erasmus' critique of Mosaic law and his view of the conflict between "Judaism" as legalistic morality and Jesus' teaching; his judgment on the Pharisees of Jesus' time; his emphasis on the importance of the study of Hebrew; and his opinions of sixteenth-century Jews. This meticulous analysis reveals an Erasmus who defended his vision of true piety by rejecting "Judaizing" Christians more than Jews and who saw the Old Testament as integral to the Christian worldview. As a Christian, he regretted nonbelief and pitied unbelievers, without vicious hostility toward any single people. His theological opposition to a form of religious thought which he identified with Judaism was not translated into crude prejudice against actual Jews. In general, his calm consideration of the strange and the foreign and his willingness to restrict his judgments to the philosophical realm were, Markish argues, early and significant steps toward enlightened toleration. Markish's discussion of Erasmus is supplemented with an Afterword by theologian and philosopher Arthur A. Cohen, who offers a variant interpretation of Erasmus' writings and attitudes. The juxtaposed arguments of the two scholars make this an especially illuminating work for any student of Erasmus and his influence. Erasmus and the Jews also gives a necessary clarity to our understanding of the meaning of anti-Semitism and the history of religious toleration. Markish's profound knowledge of Erasmus allows him to demonstrate the fundamental importance of putting arguments and terminology in the context of a thinker's work and his own time. (shrink)

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Central to contemporary cognitive science is the notion that mental processes involve computations defined over internal representations. This view stands in sharp contrast to the to visual perception and cognition, whose most prominent proponent has been J.J. Gibson. In the direct theory, perception does not involve computations of any sort; it is the result of the direct pickup of available information. The publication of Gibson's recent book (Gibson 1979) offers an opportunity to examine his approach, and, more generally, to contrast (...) the theory of direct perception with the computational/representational view. In the first part of the present article (Sections 2direct perceptioncase study”: the problem of perceiving the three-dimensional shape of moving objects is examined. This problem, which has been extensively studied within the immediate perception framework, serves to illustrate some of the inherent shortcomings of that approach. Finally, in Section 5, an attempt is made to place the theory of direct perception in perspective by embedding it in a more comprehensive framework. (shrink)

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The problem of representing the spatial structure of images, which arises in visual object processing, is commonly described using terminology borrowed from propositional theories of cognition, notably, the concept of compositionality. The classical propositional stance mandates representations composed of symbols, which stand for atomic or composite entities and enter into arbitrarily nested relationships. We argue that the main desiderata of a representational system—productivity and systematicity—can (indeed, for a number of reasons, should) be achieved without recourse to the classical, proposition‐like compositionality. (...) We show how this can be done, by describing a systematic and productive model of the representation of visual structure, which relies on static rather than dynamic binding and uses coarsely coded rather than atomic shape primitives. (shrink)

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Das Ziel dieses Textes ist, die Aufmerksamkeit auf einige Voraussetzungen, die als wichtig für besseres Verständnis des Denkens scheinen, das zusätzlich als „kritisches“ bezeichnet wird, zu richten. Zuerst wird einleitend konstatiert, dass die Rede vom „kritischen“ Denken im Kontext der Ausbildung aufgetreten ist, und es wird daran erinnert, dass „Kritisches“ ein wesentlicher Bestandteil des Denkens überhaupt ist. Deshalb werden verschiedene Vernunfttypen vorgestellt, aus denen sich verschiedene Rationalitäts- und Denktypen entwickeln. Dabei wird an zeitgenössische Kritik an der Absolutierung der westlichen dihairetischen (...) Rationalität erinnert, wonach es gezeigt wird, wie sich aus der Einheit der Vernunft die Pluralität von Rationalitäten entwickelt hat. Im folgenden Abschnitt wird die ursprüngliche Vernunft als Einheit von Logos und Mythos dargestellt, fortgesetzt von der Thematisierung dessen, was aus der Perspektive der dihairetischen Rationalität nicht als der Vernunft Zugehöriges anerkannt wird – das Andere der Vernunft. Darauf folgt die Darstellung der Anerkennungsmöglichkeit der Rationalität des Anderen der Vernunft, welche sich in der Metapher und der analogischen Rationalität zeigt. Nächstes Kapitel diskutiert einige Folgemanifestierungen der dihairetischen Rationalität und mit diesen Folgen verbundene Schwierigkeiten in Bezug auf Voraussetzungen der Fähigkeitsentwicklung des kritischen Denkens. Zum Schluss werden einige Bedingungen für kritisches Denken dargestellt. (shrink)

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The editors welcome letters from readers, although we cannot guarantee that all will be published. To ensure timeliness, correspondents must respond to an article within seven weeks, and not exceed two double‐spaced pages. Letters become the property of the editors and may be edited and shortened at our discretion.

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Photo by Hannah Busing on Unsplash INTRODUCTION Religion has long provided guidance that has led to standards reflected in some aspects of medical practices and traditions. The recent bioethical literature addresses numerous new problems posed by advancing medical technology and demonstrates an erosion of standards rooted in religion and long widely accepted as almost axiomatic. In the deep soul-searching that pervades the publications on bioethics, several disturbing and dangerous trends neglect some basic lessons of philosophy, logic, and history. The bioethics (...) discourse on medical aid in dying emphasizes similarity over previously recognized important distinguishing features. For example, it overplays a likeness between assistance in dying and the withdrawal of life-saving technology. In many bioethics’ topics, arguments based on a logical continuum are used to question the lines demarcating important moral differences. l. The Line Between Ethical and Not: Logic Based on Continuum Careful case selection, often either end of a continuum, allows the tearing down or ridiculing of many rules and codes across most professions and fields of interest. This situation holds true for traffic laws as well as medical ethics guidelines. It is relatively simple for those who desire to attack a particular viewpoint by selecting a case that makes that position seem untenable. In the ethics realm, good and bad medicine exist at opposite ends of an ethical continuum, with many practices lying in between. For example, much of medical ethics exists between the Nazi criminal physicians and the most sainted nurse or physician. A gradual progression occurred over less than two decades from a utilitarian position that supported limited euthanasia for those with certain mental illnesses to genocide. German society embraced a utilitarian ethic in which the value of human life no longer was intrinsic but instrumental.[1] Many morally significant points on a continuum were then ignored as the misguided utilitarian policy rampantly continued. A point in the continuum to distinguish between ethically justifiable and that which is not can be difficult to identify compared to the two extremes. This continuum is not unique to ethics but can be applied to almost any other aspect of human life and endeavor. Between a severely ill schizophrenic person and a superbly well-adjusted individual, there is a continuum of mental and psychological function. The existence of a continuum should not paralyze thinking and prevent us from drawing lines and identifying moral differences based on objective criteria as well as moral philosophy. Yet, by focusing on a continuum, many bioethicists use logic to disregard dividing lines between an "ethical" and an "unethical" act. Unfortunately, sometimes bioethicists draw revolutionary conclusions that would change the scope of medical practices which is accepted as ethical. There are many examples of similar shifts on the continuum. Many authors argue for the ethical permissibility of abortion by pointing out that the human fetus is no different in various characteristics, one arguing it is as like an ape or chick as it is like a person,[2] and does not achieve unique human and individual characteristics until well into the first year of life.[3] While human fetuses arguably do not have certain distinctive qualities of personhood, most people shy away from the logical next conclusion: permitting infanticide. For example, Joshua Lederberg condemns infanticide, in the face of biological illogic, because of our emotional commitment to infants, to me, a relatively weak explanation. Sir Francis Crick suggests we might consider birth at two days of life in order to decide whether an infant is a "suitable" member of society.[4] Giublini and Minerva suggest that infanticide should be permissible since late pregnancy abortions are permissible, arguing there is no significant difference between a fetus just before birth and an infant just after birth.[5] Clearly the continuum approach would allow for subjective arguments in favor of later infanticide at other points many days post-birth. Years ago, with a cynical tone, I mentioned infanticide as a further step on the continuum beyond abortion, and I was rightly shouted down as being deliberately provocative to assert the logic would ever stretch so far. While it is not an accepted mainstream position, the movement in academic settings from widespread condemnation to limited possible acceptance of infanticide has taken place in an incredibly short time. Public opinion and medical opinion in these areas have shifted dramatically in a short time. In another area, from a biological and chemical point of view, there is a continuum from man down to a single carbon atom. Yet, it would not seem logical to ignore the emotional differences, the meaning of personhood, or the moral distinction between killing an insect and killing a person. ll. A False Continuum: Medical Aid in Dying I assert that there has been an erosion of ethical guidelines in recent years attributable to using continuums to camouflage important distinctions. James Rachels’ work on active and passive euthanasia, which contends that the two are ethically identical, exemplifies that logic.[6] He illustrates this thesis, using a continuum to compare different scenarios with like consequences as morally equivalent, by comparing the deliberate drowning of a child with a deliberate failure to rescue a drowning child when easily able to do so. The author's comparison proposes that since much of the medical profession has already made peace with withholding treatment in order to hasten death, consistency inexorably demands that we permit active euthanasia as well.[7] When permission for active euthanasia was first introduced, it was limited exclusively to patients suffering severely from an intractable, incurable, and irreversible disease. These guidelines have been continuously eroded. There is now a substantial serious consideration for permitting active euthanasia of healthy elderly individuals who feel that they have completed their lives and are "tired of living."[8] There are many moral and factual differences along the ethical continuum. In human life, there is a difference between a live baby and a fetus, between a viable fetus and one that is not, between a fetus and a zygote, and between a zygote and a sperm cell. Similarly, there is a difference between pulling a trigger to kill someone and not interfering in preventing his death, which is reprehensible though both may be. There is a difference between not resuscitating an 80-year-old man with cancer when his heart stops and injecting him with a fatal dose of potassium chloride. I argue that an overt act of taking life repels civilized human beings is to be commended and encouraged as the reverence for human life or even for just a moment of human life is one of the great contributions of our civilization. CONCLUSION As an orthodox Jew, I feel that divinely inspired guidelines that have stood the test of centuries shape my beliefs, and such guidelines contradict medical aid in dying. I cannot speak to the viewpoint of those who do not access religion in defining their moral stance, nor do I implicate them in the current bioethics' trends, as I am not aware of the personal role of religion in the lives of most such authors. While many nonreligious people have a firm philosophical grounding and oppose medical aid in dying, I suggest that in the absence of any religious or other absolute standards, developing logically defensible ethical guidelines may be challenging. At the least, religion may play a role in defining the points on the continuums that are ethically meaningful and refuting the trending beliefs that if the endpoint is the same, allowing different methods of arriving at that end are somehow ethically equal. The continuum of ways death may result does not negate analysis of whether death is brought about in ways that recognize the importance of life. The German philosopher Hans Jonas said, "It is a question whether without restoring the category of the sacred, the category most thoroughly destroyed by the scientific enlightenment, we can have an ethics able to cope with the extreme powers that we possess today and constantly increase and are compelled to use."[9] While countries vary on the role of religion in policy, with many emphasizing freedoms of religion, a recent position paper released by a group of Jewish, Christian, and Moslem leaders suggested the need for agreement on the unique sanctity of human life.[10] I would recommend that such a document serve as an example of consensus on critical foundational bioethical guidelines for democratic secular societies. - [1] Alexander L Medical science under dictatorship. New England Journal of Medicine, 241, p39-47 DOI10.1056/NEJM194907142410201 [2] Lederberg J. A geneticist looks at contraception and abortion, Annals of Internal Medicine 67, sup 2, 25-27. https:/doi.org/10.7326/0003-4819-67-3-25 [3] Ibid. [4] Editorial, Sociology: Logic of biology. Nature 220, 429 https://www.nature.com/articles/220429b0 [5] Giublini A Minerva F After-birth abortion: why should the baby live. J Med Ethics 39, 261- [6] Rachels J Active and passive euthanasia. New England Journal of Medicine 292, 78-80 [7] Ibid. [8] Cohen-Almagor R Euthanizing people who are "tired of life". in Euthanasia and Assisted Suicide-Lessons from Belgium. Ch 11 of Euthanasia and Assisted Suicide, Cambridge University Press pp173-187. 2017 and DOI; https://doi.org/10.1017/9781108182799.012 [9] Hans Jonas, Technology and Responsibility: Reflections on the New Tasks of Ethics, 1972, found as Chapter IX, Philosophical Essays, 1980. https://inters.org/jonas-technology-responsability [10] A position paper of the Abrahamic Monotheistic religions on matters concerning the end-of-life. Vatican Press 28 October 2019 https://press.vatican.va/content/salastampa/en/bollettino/pubblico/2019/10/28/191028f.html. (shrink)

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Name der Zeitschrift: Naharaim Jahrgang: 8 Heft: 2 Seiten: 253-272.

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La primera parte de este libro expone la idea o teoría de las Leyes Noájicas, desde perspectivas espirituales, filosóficas, psicológicas, sociales y políticas. Varios de sus contenidos ya han sido presentados a líderes, incluidos estadistas internacionales (cuyas cartas se incluyen aquí), que han respondido con ánimo a su estudio y difusión. La segunda parte del libro presenta la conducta o práctica concreta de las Leyes Noájicas. Esta tarea precisa procede de una extensa investigación acerca de la Tradición del comentario sobre (...) la Revelación en el Sinaí, de la cual forman parte las Leyes de Noé (que ya anteriormente eran el pacto moral de la humanidad, pero que fueron reexpresadas con autoridad en el Sinaí). La forma en que las Leyes de Noé con sus detalles estructuran la conducta ética de los principales dominios de la existencia humana se establece claramente para el lector general; y con extensas notas a pie de página y referencias para aquellos que buscan profundizar el estudio. (shrink)

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Mohandas K. Gandhi (1869–1948)’s relationship with the Jews is explored in this article. The history of this relationship can be divided into two different periods. The first begins during his formative years in South Africa from 1893 to 1914, and the second, during his political activism in India thereafter. The article points out that Gandhi’s close Jewish associates in South Africa, although coming primarily from a Theosophist background, considered their support of Gandhi and his struggle to represent their core Jewish (...) values. Still, Gandhi’s close Jewish supporters did not successfully influence Gandhi regarding Zionism. In retrospect, Gandhi’s objection to Zionism enormously impacted the Indian Congress Party’s position regarding Palestine. The article notes that although Gandhi opposed political Zionism, he supported Zionism as a spiritual movement that could be best realized “within.” Somewhat surprising and little-known fact was a desire on Gandhi’s part to mediate between the Arabs and the Jews in direct talks. Gandhi hoped the Zionist leaders would respond positively to his offer to mediate so that he could advance his teachings of nonviolence while also claiming to represent the Indian Muslims. The article discusses Gandhi’s call to German and European Jews to resist the Nazi regime by adopting Satyagraha, the consequent rift with Jewry that followed, and his silence after the Holocaust. Finally, the article also briefly explores B. R. Ambedkar (1891–1956)’s views on the Jews and the Indian pariahs. (shrink)

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Language is a rewarding field if you are in the prediction business. A reader who is fluent in English and who knows how academic papers are typically structured will readily come up with several possible guesses as to where the title of this section could have gone, had it not been cut short by the ellipsis. Indeed, in the more natural setting of spoken language, anticipatory processing is a must: performance of machine systems for speech interpretation depends critically on the (...) availability of a good predictive model of how utterances unfold in time (Baker, 1975; Jelinek, 1990; Goodman, 2001), and there is strong evidence that prospective uncertainty affects human sentence processing too (Jurafsky, 2003; Hale, 2006; Levy, 2008). The human ability to predict where the current utterance is likely to be going is just another adaptation to the general pressure to anticipate the future (Hume, 1748; Dewey, 1910; Craik, 1943), be it in perception, thinking, or action, which is exerted on all cognitive systems by evolution (Dennett, 2003). Look-ahead in language is, however, special in one key respect: language is a medium for communication, and in communication the most interesting (that is, informative) parts of the utterance that the speaker is working through are those that cannot be predicted by the listener ahead of time. (shrink)

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Autor kritički propituje uvjete i mogućnosti dijaloga između prirodnih znanosti i teologije stvaranja na primjeru dogmatičara Alexandrea Ganoczya. Ganoczy se služi responzorijskom metodom: razvija teologiju stvaranja »od dolje«, konstituirajući zajedničke »platforme« dijaloga gradeći na principu komplementarnosti uz pomoć analogije, te otkrivajući sličnost u načinu izražavanja prirodnih znanosti i teologije . Kao posebna tematska područja teološke refleksije rezultata prirodnih znanosti obrađuju se: samoorganizacija materije i creatio continua; prostorno vremenski kontinuum i vječnost; mozak, duh i Duh Božji; kreativnost i stvaranje te pitanje (...) zla i grijeh.The author analyzes critically the conditions and possibilities of dialogue between natural sciences and theology of creation of the dogmatist Alexandre Ganoczy. Ganoczy uses responsorial method: he develops theology of creation “from below”, constituting common “platforms” of dialogue and building on the principle of complementarity using analogy and discovering similarities in the manner of expression of both natural sciences and theology .The following areas of theological reflection on the results of natural sciences are subject to analysis: selforganization of matter and creatio continua; space-time continuum and eternity; brain, spirit and the Spirit of God; creativity and creation and the question of evil and sin.However, although Ganoczy manages to show that common platforms are much more then modest conclusion that science and theology are not contradictory, in certain topics the dialogue seems to be too associative and the discourse superficial, so that the whole project gains partly essayistic significance. (shrink)

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The chapters comprising this book represent a collective attempt on the part of their authors to redress this aberration.

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The recent essay by Schuklenk and Smalling opposing respect for physicians’ conscientious objections to providing patients with medical services that are legally permitted in liberal democracies is based on several erroneous assumptions. Acting in this manner would have serious harmful effects on the ethos of medicine and of bioethics. A much more nuanced and balanced position is critical in order to respect physicians’ conscience with minimal damage to patients’ rights.

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We prove that the strong polarized relation $\left( {\mu _\mu ^ + } \right) \to \left( {\mu _\mu ^ + } \right)_2^{1.1}$ is consistent with ZFC, for a singular ì which is a limit of measurable cardinals.

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Short essays that touch many topics-anxiety, consciousness, death, happiness, morality, stupidity, & truth-that make the case for realism & help set expectations with regard to the human condition.

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Representational systems need to use symbols as internal stand-ins for distal quantities and events. Barsalou's ideas go a long way towards making the symbol system theory of representation more appealing, by delegating one critical part of the representational burden to image-like entities. The target article, however, leaves the other critical component of any symbol system theory underspecified. We point out that the binding problem can be alleviated if a perceptual symbol system is made to rely on image-like entities not only (...) for grounding the constituent symbols, but also for composing these into structures. (shrink)

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We characterize the situation of having at least $^{+}$-many normal ultrafilters on a measurable cardinal $\kappa$. We also show that if $\kappa$ is a compact cardinal, then $\kappa$ carries $^{+}$-many $\kappa$-complete ultrafilters, each of which extends the club filter on $\kappa$.

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I was deeply moved and inspired by Jason Dubroff’s article1 objecting to the source of the white coat distributed to the entering medical students at his school. The article stimulated me to ponder its implications and led to some thoughtful discussions with colleagues. Here was a busy medical student who was appropriately disturbed at what he regarded as a kind of ethical failure at the very ceremony, which was meant to exemplify and emphasise the values of humanism. However, unlike many (...) of us who notice evidence of ethical insensitivity, react with a sigh or a comment, and go on with our lives without significant alteration in our normal activities, Jason initiated an investigation of the issue, researched it in his own time, and even proposed remedial actions—a remarkable, unusual and impressive course of events. His article reinforced some of my personal prejudices. To those of my colleagues who nostalgically bewail the alleged decrease in idealism in today’s entering medical students, I can point to Jason as an example of the kind of ethical sensitivity, …. (shrink)

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A few years ago, a Yemenite patient came to Maimonides Hospital in Brooklyn. The friendly, diminutive gentleman apologized for visiting the clinic in the first place because, as he explained, he was a devotee of Maimonides and invariably used the medical treatments recommended by him rather than current Western medicine. But for this patient’s problem, Maimonides had prescribed garlic. The patient told his doctor that if he ingested garlic, his wife would refuse contact with him. So, having no alternative, he (...) came to our clinic for consultation and to see if there were any other appropriate treatments.Moses Maimonides was one the most important Jewish scholars of all times. A popular folk saying.. (shrink)

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To illustrate dramatically the progress and potential in the field of synthetic biology, one can begin the story with the 2011 winner of the Lasker Clinical Medical Research Award (Youyou 2011). She was an 81-year-old Chinese scientist, Dr. Tu Youyou, who was given an assignment in 1969 by the Chinese government to find a treatment for malaria from among Chinese herbal medicines. She investigated more than 2,000 Chinese herbal preparations, winnowed them down to some 640 possibilities, obtained 380 extracts from (...) about 200 Chinese herbs, and tested them against a mouse model of malaria. She found one extract, of the Artemisia plant, effective in mice, but she could not reproduce the results consistently. So she .. (shrink)

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It is proposed to conceive of representation as an emergent phenomenon that is supervenient on patterns of activity of coarsely tuned and highly redundant feature detectors. The computational underpinnings of the outlined concept of representation are (1) the properties of collections of overlapping graded receptive fields, as in the biological perceptual systems that exhibit hyperacuity-level performance, and (2) the sufficiency of a set of proximal distances between stimulus representations for the recovery of the corresponding distal contrasts between stimuli, as in (...) multidimensional scaling. The present preliminary study appears to indicate that this concept of representation is computationally viable, and is compatible with psychological and neurobiological data. (shrink)

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Nearest-neighbor correlation-based similarity computation in the space of outputs of complex-type receptive elds can support robust recognition of 3D objects. Our experiments with four collections of objects resulted in mean recognition rates between 84% and 94%, over a 40 40 range of viewpoints, centered on a stored canonical view and related to it by rotations in depth. This result has interesting implications for the design of a front end to an arti cial object recognition system, and for the understanding of (...) the faculty of object recognition in primate vision. (shrink)

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We describe a new approach to the visual recognition of cursive handwriting. An effort is made to attain humanlike performance by using a method based on pictorial alignment and on a model of the process of handwriting.

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The statistical structure of a class of objects such as human faces can be exploited to recognize familiar faces from novel viewpoints and under variable illumination conditions. We present computational and psychophysical data concerning the extent to which class-based learning transfers or generalizes within the class of faces. We rst examine the computational prerequisite for generalization across views of novel faces, namely, the similarity of di erent faces to each other. We next describe two computational models which exploit the similarity (...) structure of the class of faces. The performance of these models constrains hypotheses about the nature of face representation in human vision, and supports the notion that human face processing operates in a class-based fashion. Finally, we relate the computational data to well-established ndings in the human memory literature concerning the relationship between the typicality and recognizability of faces. (shrink)

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We show that the character spectrum Spχ(λ) (for a singular cardinal λ of countable cofinality) may include any prescribed set of regular cardinals between λ and 2λ.

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An infinite cardinal λ is Magidor if and only if. It is known that if λ is Magidor then for some, and the first such α is denoted by. In this paper we try to understand some of the properties of. We prove that can be the successor of a supercompact cardinal, when λ is a Magidor cardinal. From this result we obtain the consistency of being a successor of a singular cardinal with uncountable cofinality.

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Intelligent systems are faced with the problem of securing a principled (ideally, veridical) relationship between the world and its internal representation. I propose a unified approach to visual representation, addressing both the needs of superordinate and basic-level categorization and of identification of specific instances of familiar categories. According to the proposed theory, a shape is represented by its similarity to a number of reference shapes, measured in a high-dimensional space of elementary features. This amounts to embedding the stimulus in a (...) low-dimensional proximal shape space. That space turns out to support representation of distal shape similarities which is veridical in the sense of Shepard's (1968) notion of second-order isomorphism (i.e., correspondence between distal and proximal similarities among shapes, rather than between distal shapes and their proximal representations). Furthermore, a general expression for similarity between two stimuli, based on comparisons to reference shapes, can be used to derive models of perceived similarity ranging from continuous, symmetric, and hierarchical, as in the multidimensional scaling models (Shepard, 1980), to discrete and non-hierarchical, as in the general contrast models (Tversky, 1977; Shepard and Arabie, 1979). (shrink)

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This article analyses the biochemical object of tnf inhibitors from the perspective of living with an autoimmune disease. The author tries to tease out how the concept of immune inhibition is used in tandem with the biochemical object of tnf inhibitors to dominate in defining and narrating what health and disease, normal and pathological, cure and healing can mean in the context of autoimmune bodies. Specifically, and within the ‘pathological’ framework of autoimmune diseases, the pharmacological treatment of tnf inhibition is (...) designed to suppress the ‘overly’ active immune system, thus acting as a negative or suppressing biochemical agent aimed at putting the ‘malfunctioning’ immune system back in balance. As can be seen in the current conjuncture, tnf inhibitors officially —and governmentally— place those taking them in a risk group, as they 'lower' their overall bodily immunity and make them more vulnerable to infectious diseases, while stabilizing their patho-logical, ‘over’-immune uninhibited condition. Part personal narrative of being diagnosed with an autoimmune condition, part speculative autoimmune theory inspired by such a diagnosis, the article ultimately calls for a different form of embodiment that is neither negative nor affirmative, and yet is resistant even to itself. (shrink)

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The computational program for theoretical neuroscience initiated by Marr and Poggio (1977) calls for a study of biological information processing on several distinct levels of abstraction. At each of these levels — computational (defining the problems and considering possible solutions), algorithmic (specifying the sequence of operations leading to a solution) and implementational — significant progress has been made in the understanding of cognition. In the past three decades, computational principles have been discovered that are common to a wide range of (...) functions in perception (vision, hearing, olfaction) and action (motor control). More recently, these principles have been applied to the analysis of cognitive tasks that require dealing with structured information, such as visual scene understanding and analogical reasoning. Insofar as language relies on cognition-general principles and mechanisms, it should be possible to capitalize on the recent advances in the computational study of cognition by extending its methods to linguistics. (shrink)

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