The target article suggests that many practices of experimental economists are preferable to those used by psychologists studying judgment and decision making. The advantages of the psychological approach become clear when the focus of research shifts from choice output to choice processes. I illustrate this point with an example from research on similarity comparisons.

Relational representation abilities are a crucial cognitive difference between human and nonhuman animals. We argue that relational reasoning and representation supports the development of culture that increases in complexity. Thus, these abilities are a force that magnifies the apparent difference in cognitive abilities between humans and nonhumans.

The computational paradigm, which has dominated psychology and artificial intelligence since the cognitive revolution, has been a source of intense debate. Recently, several cognitive scientists have argued against this paradigm, not by objecting to computation, but rather by objecting to the notion of representation. Our analysis of these objections reveals that it is not the notion of representation per se that is causing the problem, but rather specific properties of representations as they are used in various psychological theories. Our analysis (...) suggests that all theorists accept the idea that cognitive processing involves internal information-carrying states that mediate cognitive processing. These mediating states are a superordinate category of representations. We discuss five properties that can be added to mediating states and examine their importance in various cognitive models. Finally, three methodological lessons are drawn from our analysis and discussion. (shrink)

Advocates of dynamic systems have suggested that higher mental processes are based on continuous representations. In order to evaluate this claim, we first define the concept of representation, and rigorously distinguish between discrete representations and continuous representations. We also explore two important bases of representational content. Then, we present seven arguments that discrete representations are necessary for any system that must discriminate between two or more states. It follows that higher mental processes require discrete representations. We also argue that discrete (...) representations are more influenced by conceptual role than continuous representations. We end by arguing that the presence of discrete representations in cognitive systems entails that computationalism (i.e., the view that the mind is a computational device) is true, and that cognitive science should embrace representational pluralism. (shrink)

Embodied cognition pertains to the consequences on thought and emotion of living with our particular human sensory and motor systems. The consequences are quite varied, and researchers across the cognitive sciences have made great discoveries in line with this principle. However, while we offer this principle, it is necessarily broad, and searching for a single unifying theme has not brought researchers together behind a clearly defined endeavor. Rather than attempt to do so, we embrace the variation and specificity in research (...) endeavors across the cognitive sciences to forge a practical sense in which embodied cognition can be a useful paradigm within which to think and work. This topic, The Future of Embodied Cognition, includes contributions from eight sets of authors communicating how embodied cognition has and will influence specific approaches within their disciplines. Through this format, the lessons from each contribution can be easily shared with colleagues across disciplines. As these lessons continue to be shared, a paradigm that is of practical use will emerge, and its coherence across disciplines will follow. To illustrate the practical aspect of this approach, in this introductory paper, we take one lesson from each contribution that must be shared and illustrate how each lesson can apply to a single, specific topic of study. (shrink)

Analogical reminding in humans and machines is a great source for chance discoveries because analogical reminding can produce representational change and thereby produce insights. Here, we present a new kind of representational change associated with analogical reminding called packing. We derived the algorithm in part from human data we have on packing. Here, we explain packing and its role in analogy making, and then present a computer model of packing in a micro-domain. We conclude that packing is likely used in (...) human chance discoveries, and is needed if our machines are to make their own chance discoveries. (shrink)

When making inferences about similar others, people anchor and adjust away from themselves. However, research on relational self theory suggests the possibility of using knowledge about others as an anchor when they are more similar to a target. We investigated whether social inferences are made on the basis of significant other knowledge through an anchoring and adjustment process, and whether anchoring on a significant other is more effortful than anchoring on the self. Participants answered questions about their likes and habits, (...) as well as the likes and habits of a significant other, a target similar to their significant other, and a yoked control. We found that prediction differences between the significant other and similar target led to longer response times, and we found the opposite effect for self and target differences, suggesting anchoring and adjustment from the significant other rather than the self. These effects were moderated by the source-relative salience of the dimension being evaluated. The evidence was mixed with respect to the question of whether anchoring on a significant other is more effortful than anchoring on the self. (shrink)

The proposed model is put forward as a template for the dynamical systems approach to embodied cognition. In order to extend this view to cognitive processing in general, however, two limitations must be overcome. First, it must be demonstrated that sensorimotor coordination of the type evident in the A-not-B error is typical of other aspects of cognition. Second, the explanatory utility of dynamical systems models must be clarified.

In order to develop sophisticated models of the core domains of knowledge that support complex cognitive processing in infants and children, developmental psychologists have mapped out the content of these knowledge domains. This research strategy may provide a blueprint for advancing research on adult cognitive processing. I illustrate this suggestion with examples from analogical reasoning and decision making.

We argue that the dynamical and computational hypotheses are compatible and in fact need each other: they are about different aspects of cognition. However, only computationalism is about the information-processing aspect. We then argue that any form of information processing relying on matching and comparing, as cognition does, must use discrete representations and computations defined over them.

The perceptual symbol system view assumes that perceptual representations have a role-argument structure. A role-argument structure is often incorporated into amodal symbol systems in order to explain conceptual functions like abstraction and rule use. The power of perceptual symbol systems to support conceptual functions is likewise rooted in its use of structure. On Barsalou's account, this capacity to use structure (in the form of frames) must be innate.

Representation is a central part of models in cognitive science, but recently this idea has come under attack. Researchers advocating perceptual symbol systems, situated action, embodied cognition, and dynamical systems have argued against central assumptions of the classical representational approach to mind. We review the core assumptions of the dominant view of representation and the four suggested alternatives. We argue that representation should remain a core part of cognitive science, but that the insights from these alternative approaches must be incorporated (...) into models of cognitive processing. (shrink)

It is important to take a developmental approach to the problem of analogy. One limitation of this approach, however, is that it does not deal with the complexity of making analogical inferences. There are a few key principles of analogical inference that are not well captured by the analogical relational priming (ARP) model.

Pickering & Garrod (P&G) suggest that communicators synchronize their processing at a number of linguistic levels. Whereas their explanation suggests that representations are being compared across individuals, there must be some representation of all conversation participants in each participant's head. At the level of the situation model, it is important to maintain separate representations for each participant. At other levels, it seems less crucial to have a separate representation for each participant. This analysis suggests that different mechanisms may synchronize representations (...) at different linguistic levels. (shrink)

There are two roadblocks to using game theory as a unified theory of the behavioral sciences. First, there may not be a single explanatory framework suitable for explaining psychological processing. Second, even if there is such a framework, game theory is too limited, because it focuses selectively on decision making to the exclusion of other crucial cognitive processes. (Published Online April 27 2007).

Machery argues that concepts are too heterogeneous to be a natural kind. I argue that the book does not go far enough. Theories of concepts assume that the task of categorizing warrants a unique set of cognitive constructs. Instead, cognitive science must look across tasks to find a fundamental set of cognitive mechanisms.

The representational distortion (RD) approach to similarity (e.g., Hahn, Chater, & Richardson, 2003) proposes that similarity is computed using the transformation distance between two entities. We argue that researchers who adopt this approach need to be concerned with how representational transformations can be determined a priori. We discuss several roadblocks to using this approach. Specifically we demonstrate the difficulties inherent in determining what transformations are psychologically salient and the importance of considering the directionality of transformations.

This article links recent work on assimilative and contrastive counterfactual thinking with research on the impact of accountability on judgment and choice. Relative to participants who felt accountable solely for bottom-line performance outcomes, participants who were accountable for their decision-making process (a) had more pronounced differential reactions to clearly winning versus (winning but) nearly losing and to clearly losing versus (losing but) nearly winning; (b) were less satisfied with the quality of their decisions when they nearly lost and more satisfied (...) with the quality of their decisions when they nearly won; and (c) invested less money into investments that nearly failed and more money into investments that nearly succeeded. This pattern is consistent with the hypothesis that process accountability amplified assimilative counterfactual thinking, whereas outcome accountability attenuated it. The evidence underscores the power of contextual features of the decision-making environment to shape key cognitive and affective consequences of upward and downward counterfactual comparisons. (shrink)

Effects of perceived control and close alternative outcomes were examined. Subjects played a computer-simulated "wheel-of-fortune" game with another player in which two wheels spun simultaneously. Subjects had either control over spinning the wheel or control over which wheel would determine their outcome and which would determine the other player's outcome. Results showed that (a) subjects generated counterfactuals about the aspect of the game that they controlled, (b) the direction of these counterfactuals corresponded to the close outcome associated with the aspect (...) they controlled, and (c) close counterfactuals predicted affective responses to the outcome of the wheel spin. Cognitive and motivational implications of the influence of perceived control on counterfactual generation are discussed. (shrink)

The Groningen protocol allows for the euthanasia of severely ill newborns with a hopeless prognosis and unbearable suffering. We understand the impetus for such a protocol but have moral and ethical concerns with it. Advocates for euthanasia in adults have relied on the concept of human autonomy, which is lacking in the case of infants. In addition, biases can potentially influence the decision making of both parents and physicians. It is also very difficult to weigh the element of quality of (...) life on the will to live. We feel an important line has been crossed if the international medical community consents to the active euthanasia of severely ill infants and are concerned about the extension of the policy to other at risk groups. (shrink)

The validity of the double effect doctrine is examined in euthanasia and abortion. In these two situations killing is a method of treatment. It is argued that the doctrine cannot apply to the care of the dying. Firstly, doctors are obliged to harm patients in order to do good to them. Secondly, patients should make their own value judgments about being mutilated or killed. Thirdly, there is little intuitive moral difference between direct and indirect killing. Nor can the doctrine apply (...) to abortion. Doctors kill fetuses as a means of treating the mother. They also kill them as an inevitable side effect of other treatment. Drawing a moral distinction between the direct and the indirect killing gives counterintuitive results. It is suggested that pragmatic rules, not ethics, govern practices around euthanasia and cause it to be more restricted than abortion. (shrink)

The physician charter on medical professionalism creates standards of ethical behaviour for physicians and has been endorsed by professional organisations worldwide. It is based on the cardinal principles of the primacy of patient welfare, patient autonomy, and social welfare. There has been little discussion in the bioethics community of the doctrine of the charter and none from a Jewish ethical perspective. In this essay the authors discuss the obligations of the charter from a Jewish ethical viewpoint and call on other (...) cultures to develop their own unique perspectives on this important document. (shrink)

This book is a study of the second-edition version of the 'Transcendental Deduction', which is one of the most important and obscure sections of Kant's Critique of Pure Reason. By way of a close analysis of the B-Deduction, Adam Dickerson makes the distinctive claim that the Deduction is crucially concerned with the problem of making intelligible the unity possessed by complex representations - a problem that is the representationalist parallel of the semantic problem of the unity of the proposition. Along (...) the way he discusses most of the key themes in Kant's theory of knowledge, including the nature of thought and representation, the notion of objectivity, and the way in which the mind structures our experience of the world. (shrink)

An argument is a conceptual instrument through which a certain logical f order between propositions can be seen to exist. But does an argument show that a proposition is true? It does, if by ‘that’ you mean that the proposition can be seen to follow through the instrument of a valid argument which employs true premises. But when we wonder whether to believe that a proposition is true we do not always wonder whether or not the proposition follows logically from (...) other propositions. We want to know f whether the proposition is in itself true, whether or not it follows from another proposition or series of propositions. That a proposition is true f may be a fact, whether or not the machinery of reason has succeeded in focusing our attention on its truth by extracting its truth from other true premises. (shrink)

Aim: Patients with advanced cancer need information about end-of-life treatment options in order to make informed decisions. Clinicians vary in the frequency with which they initiate these discussions.Patients and methods: As part of a long-term longitudinal study, patients with an expected 2-year survival of less than 50% who had advanced gastrointestinal or lung cancer or amyotrophic lateral sclerosis were interviewed. Each patient’s medical record was reviewed at enrollment and at 3 months for evidence of the discussion of patient wishes concerning (...) ventilator support, artificial nutrition and hydration , resuscitation and hospice care. A Kaplan–Meier analysis was also performed and 2-year survival calculated.Results: 60 cancer and 32 ALS patients were enrolled. ALS patients were more likely than cancer patients to have evidence of discussion about their wishes for ventilator support , ANH , DNR and hospice care . At 6 months, 91% of ALS patients were alive compared with 62% of cancer patients; at 2 years, 63% of ALS patients were alive compared with 23% of cancer patients .Conclusions: Cancer patients were less likely than ALS patients to have had documented advanced care planning discussions despite worse survival. This may reflect perceptions that ALS has a more predictable course, that advanced cancer has a greater number of treatment options, or differing views about hope. Nevertheless, cancer patients may be less adequately prepared for end-of-life decision-making. (shrink)

An attempt is made to show that Wittgenstein's later philosophy of logic is not the kind of conventionalism which is often ascribed to him. On the contrary, Wittgenstein gives expression to a “mixed” theory which is not only interesting but tends to resolve the perplexities usually associated with the question of the a priori character of logical truth. I try to show that Wittgenstein is better understood not as denying that there are such things as “logical rules” nor as denying (...) that the results of applying such rules are “logically necessary,” but as trying to understand what it is to appeal to a logical rule and what it means to say that the results of applying such a rule are “necessary.” He is not so much overthrowing standard accounts of logical necessity as discovering the limits of the concept. (shrink)

William of Malmesbury's Regesta Regum Anglorum is one of the great histories of England, and one of the most important historical works of the European Middle Ages. Although its focus is national, its scope encompasses most of Western Europe and beyond, providing a full-scale account of the First Crusade. Apart from its formidable learning, it is characterized by narrative skill and entertainment value - with topics including unpowered flight and Henry I's zoo. This edition in the Oxford Medieval Texts series (...) is the first modern translation and edition. A full historical introduction is supplied in Volume II. (shrink)

William of Malmesbury's Regesta Regum Anglorum is one of the great histories of England, and one of the most important historical works of the European Middle Ages. Although its focus is national, its scope encompasses most of Western Europe and beyond, providing a full-scale account of the First Crusade. Apart from its formidable learning, it is characterized by narrative skill and entertainment value - with topics including unpowered flight and Henry I's zoo. This edition in the Oxford Medieval Texts series (...) is the first modern translation and edition. A full historical introduction is supplied in Volume II. (shrink)

There are many people in the world who want to be Somebody. Let us describe someone as Somebody who comes to believe that, in one or more respects, he or she is a special or significant person and who succeeds, through whatever means, in acquiring some sort of reputation and some sort of fame. People want to become Somebody because they believe that unless they succeed in that respect they will turn out to be a mere mediocrity, or worse still, (...) to be thought of as a mere mediocrity. People want to leave some sort of mark in this world before they die. They do not want their passage through this world to be utterly ineffectual. This, I think, is the seed from which the ideal of being Somebody emerges. (shrink)

Some approaches to the assessment of moral intuitions are discussed. The controlled ethical trial isolates a moral issue from confounding factors and thereby clarifies what a person's intuition actually is. Casuistic reasoning from situations, where intuitions are clear, suggests or modifies principles, which can then help to make decisions in situations where intuitions are unclear. When intuitions are defended by a supporting principle, that principle can be tested by finding extreme cases, in which it is counterintuitive to follow the principle. (...) An approach to the resolution of conflict between valid moral principles, specifically the utilitarian and justice principles, is considered. It is argued that even those who justify intuitions by a priori principles are often obliged to modify or support their principles by resort to the consideration of consequences. (shrink)