This book is a succinct introduction to the orienting of attention.

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A number of studies in the apparent motion literature were examined using the cognitive penetrability criterion to determine the extent to which beliefs affect the perception of apparent motion. It was found that the interaction between the perceptual processes mediating apparent motion and higher order processes appears to be limited. In addition, perceptual and inferential beliefs appear to have different effects on perceived motion optimality and direction. Our findings suggest that the system underlying apparent motion perception has more than one (...) stage and is informationally encapsulated from cognitive factors. (shrink)

The legal literature generally assumes that an aggregate-risk-utility test is employed to determine whether conduct was reasonable or negligent. However, this test is infrequently mentioned by the courts and almost never explains their decisions. Instead, they apply, explicitly or implicitly, various justice-based standards that take into account the rights and relationships among the parties. This is true even for the two judges most closely identified with the aggregate-risk-utility test: Learned Hand and Richard Posner. During the five decades that Hand served (...) as a federal judge, he mentioned the test in only eleven opinions, between 1938 and 1949, and in none of those opinions did he actually apply the test to resolve the negligence issue. In his last reference to the test, in 1949, he essentially abandoned it. None of his fellow circuit judges ever mentioned the test. Posner claims that the Hand formula expresses an economic efficiency interpretation of negligence that has long been implicit in judicial opinions. However, Posner’s arguments are based on speculative and implausible assumptions, overbroad generalizations, selective quotations, and superficial descriptions of cases that misstate or ignore facts, language, rationales, and holdings that are inconsistent with his argument. The same flaws are apparent in Posner’s attempts to apply the Hand formula in his own judicial opinions. Neither he nor his like-minded colleague, Frank Easterbrook, has been able to employ the Hand formula to resolve the negligence issue in any case, and none of their fellow circuit judges has attempted to do so. (shrink)

The literature on bioethics is diverse and confusing in its treatment of appropriate components for decision making. As a result, the literature on teaching bioethics is also confusing, even contradictory, in presenting an ‘appropriate’ framework within which learners may come to understand the nature and process of bioethics. The article sets out five decision components which are seen as common to all decision making. These components are then shown to have a significant influence both on bioethics decision making and on (...) bioethics teaching. They are also shown to play a role in breaking down the separatism evidenced in contemporary bioethics literature aimed at individual professions. Keywords: bioethics, decision analysis, decision components, decision making, teaching CiteULike Connotea Del.icio.us What's this? (shrink)

_The Matrix_ Written and directed by Andy and Larry Wachowski Village Roadshow Pictures, 1999.

Many theorists claim that justice is a question-begging concept that has no inherent substantive content. They point to disagreements among justice theorists themselves about basic aspects of the justice theory, such as the nature of corrective justice and the distinction between it and distributive justice, as even further reason to dismiss the concept of justice or to fill it with their preferred theoretical content. Yet most persons perceive that the concept of justice is not an empty shell. Since ancient times (...) it has been thought to encompass not merely a formal equality (treating like cases alike), but also a substantive equality grounded in the equal dignity of each human being which requires giving each person his or her "due" - what is his or hers as a matter of right - a requirement that is usually understood to be in direct conflict with the basic principles of aggregate social welfare theories such as utilitarianism or its modern variant, economic efficiency. The elaboration of this substantive equality and its implications for morality, justice, and law form the core of the natural-law or natural-right theories of law. In this article I build upon a summary and critique of John Finnis's natural law theory (1) to delineate the basic assumptions and principles of the natural law theory regarding the foundations of and relationships among morality, justice, and law; (2) to demonstrate the agreement of major natural law theorists, from Aristotle through Aquinas and Kant to Finnis, on these basic assumptions and principles; (3) to distinguish these basic assumptions and principles from those of the competing theories of utilitarianism and economic efficiency; and (4) to clarify the nature of and distinctions between the two basic divisions of substantive justice: distributive justice and interactive justice. I use the term "interactive justice" instead of the usual term, "corrective justice," since the former term is much more informative and precise in conveying the distinct nature and domain of this type of justice, whereas the latter term almost always misleads people into one or both of two related misconceptions: (1) that "corrective" justice is concerned solely with the correction of wrongful injuries and has nothing to say about the nature of the underlying wrongs or the prevention of their occurrence, and (2) that it is merely a remedial corollary of distributive justice which corrects deviations from the distributively just distribution. Distributive justice and interactive justice separately address the two fundamental problems of human existence, and they employ quite different criteria of equality to resolve those problems. Together, they seek to assure the attainment of the common good (the full realization, to the extent practicable, of each person's humanity) by providing each person with her fair share of the social stock of instrumental goods (positive freedom via distributive justice) and by securing her person and her existing stock of instrumental goods from interactions with others that are inconsistent with her status as a rational being with equal, absolute moral worth (negative freedom via interactive justice). (shrink)