Computational modeling has long been one of the traditional pillars of cognitive science. Unfortunately, the computer models of cognition being developed today have not kept up with the enormous changes that have taken place in computer technology and, especially, in human-computer interfaces. For all intents and purposes, modeling is still done today as it was 25, or even 35, years ago. Everyone still programs in his or her own favorite programming language, source code is rarely made available, accessibility of models (...) to non-programming researchers is essentially non-existent, and even for other modelers, the profusion of source code in a multitude of programming languages, written without programming guidelines, makes it almost impossible to access, check, explore, re-use, or continue to develop. It is high time to change this situation, especially since the tools are now readily available to do so. We propose that the modeling community adopt three simple guidelines that would ensure that computational models would be accessible to the broad range of researchers in cognitive science. We further emphasize the pivotal role that journal editors must play in making computational models accessible to readers of their journals. (shrink)

Aversive experiences have been thought to provoke or exacerbate clinical depression. The present review provides a brief survey of the stress-depression literature and suggests that the effects of stressful experiences on affective state may be related to depletion of several neurotransmitters, including norepinephrine, dopamine, and serotonin. A major element in determining the neurochemical changes is the organism's ability to cope with the aversive stimuli through behavioral means. Aversive experiences give rise to behavioral attempts to cope with the stressor, coupled with (...) increased utilization and synthesis of brain amines to contend with environmental demands. When behavioral coping is possible, neurochemical systems are not overly taxed, and behavioral pathology will not ensue. However, when there can be no behavioral control over the stressful stimuli, or when the aversive experience is perceived as uncontrollable, increased emphasis is placed on coping through endogenous neurochemical mechanisms. Amine utilization increases appreciably and may exceed synthesis, resulting in a net reduction of amine stores, which in turn promotes or exacerbates affective disorder. The processes governing the depletions may be subject to sensitization or conditioning, such that exposure to traumatic experiences may have long-term repercussions when the organism subsequently encounters related stressful stimuli. With continued uncontrollable stimulation, adaptation occurs in the form of increased activity of synthetic enzymes, and levels of amines approach basal values. It is suggested that either the initial amine depletion provoked by aversive experiences or a dysfunction of the adaptive processes, resulting in persistent amine depletion, contributes to behavioral depression. Aside from the contribution of behavioral coping, several organismic, experiential, and environmental variables will influence the effects of aversive experiences on neurochemical activity, and may thus influence vulnerability to depression. (shrink)

Advertising by health care institutions has increased steadily in recent years. While direct-to-consumer prescription drug advertising is subject to unique oversight by the Federal Drug Administration, advertisements for health care services are regulated by the Federal Trade Commission and treated no differently from advertisements for consumer goods. In this article, we argue that decisions about pursuing health care services are distinguished by informational asymmetries, high stakes, and patient vulnerabilities, grounding fiduciary responsibilities on the part of health care providers and health (...) care institutions. Using examples, we illustrate how common advertising techniques may mislead patients and compromise fiduciary relationships, thereby posing ethical risks to patients, providers, health care institutions, and society. We conclude by proposing that these risks justify new standards for advertising when considered as part of the moral obligation of health care institutions and suggest that mechanisms currently in place to regulate advertising for prescription pharmaceuticals should be applied to advertising for health care services more broadly. (shrink)

Ayudha Puja, a South Indian festival translated as “worship of the machines,” is a dramatic example of how religion and science intertwine in political life. Across South India, but especially in the state of Karnataka, scientists and engineers celebrate the festival in offices, laboratories, and workshops by attending a puja led by a priest. Although the festival is noteworthy in many ways, one of its most immediate valences is political. In this article, we argue that Ayudha Puja normalizes Brahminical Hinduism (...) within scientific culture through the inclusion of non-Hindus and through scientists' description of the festival as “cultural” rather than “religious.”. (shrink)

The important question is how people process probabilistic information, not whether they process it in accordance with a normative model that we never should have expected them to be capable of following. Experience is not the cure, as widely thought, to problems with utilizing base rate information.

Recent stories of corporate insiders avoiding losses and, in some cases, generating enormous personal profits as their companies crumbled have led investors to question the integrity of American business and the fairness of the United States stock markets. The SEC tries to ensure the fairness of the stock markets by making and enforcing laws against unfair practices such as insider trading. In the United States, when insiders trade stock based on non-public information, they have broken the law and betrayed the (...) trust that has been placed in them.This study used student subjects to test the relationship between the likelihood of trading based on insider information and subjective probabilities of deterrents and motivations for insider trading. Expected gain, guilt, cynicism, and fairness of laws were the determinants that had a significant relationship with the intent to trade based on insider information. This study also found support for prospect theory with regard to insider trading. The results indicate that subjects are more likely to trade based on insider information to avoid a loss than to achieve an abnormal gain. The study also finds evidence of social desirability response bias. (shrink)

Aversive experiences have been thought to provoke or exacerbate clinical depression. The present review provides a brief survey of the stress-depression literature and suggests that the effects of stressful experiences on affective state may be related to depletion of several neurotransmitters, including norepinephrine, dopamine, and serotonin. A major element in determining the neurochemical changes is the organism's ability to cope with the aversive stimuli through behavioral means. Aversive experiences give rise to behavioral attempts to cope with the stressor, coupled with (...) increased utilization and synthesis of brain amines to contend with environmental demands. When behavioral coping is possible, neurochemical systems are not overly taxed, and behavioral pathology will not ensue. However, when there can be no behavioral control over the stressful stimuli, or when the aversive experience is perceived as uncontrollable, increased emphasis is placed on coping through endogenous neurochemical mechanisms. Amine utilization increases appreciably and may exceed synthesis, resulting in a net reduction of amine stores, which in turn promotes or exacerbates affective disorder. The processes governing the depletions may be subject to sensitization or conditioning, such that exposure to traumatic experiences may have long-term repercussions when the organism subsequently encounters related stressful stimuli. With continued uncontrollable stimulation, adaptation occurs in the form of increased activity of synthetic enzymes, and levels of amines approach basal values. It is suggested that either the initial amine depletion provoked by aversive experiences or a dysfunction of the adaptive processes, resulting in persistent amine depletion, contributes to behavioral depression. Aside from the contribution of behavioral coping, several organismic, experiential, and environmental variables will influence the effects of aversive experiences on neurochemical activity, and may thus influence vulnerability to depression. (shrink)

Richard Martin's thoroughly philosophical as well as thoroughly tech nical investigations deserve continued and appreciative study. His sympathy and good cheer do not obscure his rigorous standard, nor do his contemporary sophistication and intellectual independence obscure his critical congeniality toward classical and medieval philosophers. So he deals with old and new; his papers, in his neat self-descriptions, consist of reminders, criticisms, and constructions. They might also be seen as studies in the understanding of truth, ramifying as widely in mathematics, logic, (...) and epistemology as well as metaphysics, as such understanding has required. For us it is a pleasant occasion to welcome Richard Martin's new Boston Studies, and to note his continuously con collection to the structive and critical interventions at the Boston Colloquium for the of Science. Philosophy Boston University Center for the R. S. COHEN Philosophy and History of Science M. W. WARTOFSKY July 1979 vii TABLE OF CONTENTS EDITORIAL PREFACE vii PREFACE xi ACKNOWLEDGEMENTS xv I. Truth and Its Illicit Surrogates II. Some Reminders concerning Truth, Satisfaction, and Reference 17 III. On Disquotation and Intensionality 30 IV. On Truth, Belief, and Modes of Description 42 V. The Pragmatics of Self-Reference 55 VI. On Suppositio and Denotation 72 VII. Of Time and the Null Individual 82 VIII. Existence and Logical Form 95 IX. Tense, Aspect, and Modality 110 X. Of 'Of' 130 XI. Events and Actions: Brand and Kim 144 XII. Why I Am Not a Montague Grammarian 160 XIII. (shrink)

Public health legal preparedness begins with effective legal authorities, and law provides a key foundation for public health practice in the United States. Laws not only create public health agencies and fund them, but also authorize and impose duties upon government to protect the public's health while preserving individual liberties. As a result, law is an essential tool in public health practice and is one element of public health infrastructure, as it defines the systems and relationships within which public health (...) practitioners operate.For purposes of this paper, law can be defined as a rule of conduct derived from federal or state constitutions, statutes, local laws, judicial opinions, administrative rules and regulations, international codes, or other pronouncements by entities authorized to prescribe conduct in a legally binding manner. Public health legal preparedness, a subset of public health preparedness, is defined as attainment of legal benchmarks within a public health system. (shrink)

This investigation proposes a conceptual framework for measurement necessary for an analysis of household finance and economic development. The authors build on and, where appropriate, modify corporate financial accounts to create balance sheets, income statements, and statements of cash flows for households in developing countries, using an integrated household survey. The authors also illustrate how to apply the accounts to an analysis of household finance that includes productivity of household enterprises, capital structure, liquidity, financing, and portfolio management. The conceptualization of (...) this analysis has important implications for measurement, questionnaire design, the modeling of household decisions, and the analysis of panel data. (shrink)

This paper details efforts by the Purdue School of Engineering and Technology at Indiana University Purdue University Indianapolis to create a single instrument for honors science, technology, engineering and mathematics students wishing to demonstrate competence in the IUPUI Principles of Undergraduate Learning and Accreditation Board for Engineering and Technology Engineering Accreditation Criterion and Technology Accreditation Criterion 2, a through k. Honors courses in Human Behavior, Ethical Decision-Making, Applied Leadership, International Issues and Leadership Theories and Processes were created along with a (...) specific menu of activities and an assessment rubric based on PUL’s and ABET criteria to evaluate student performance in the aforementioned courses. Students who complete the series of 18 Honors Credit hours are eligible for an Honors Certificate in Leadership Studies from the Department of Organizational Leadership and Supervision. Finally, an accounting of how various university assessment criteria, in this case the IUPUI Principles of Undergraduate Learning, can be linked to ABET outcomes and prove student competence in both, using the aforementioned courses, menu of items, and assessment rubrics; these will be analyzed and discussed. (shrink)

Sperm motility and respiration are tightly coupled processes, both activated by an increased intracellular pH (pHi). As the sperm pHi increases, the flagellar motor driving motility is activated, leading to ATP consumption. Energy for motility is provided by mitochondrial respiration; energy transport from sperm mitochondrion to tail involves distinct isozymes of creatine kinase that effect a phosphorylcreatine shuttle. The activation of sperm motility and respiration can be described as a linked series of biochemical reactions that form a cell behavioural pathway (...) analogous to the reaction sequences of intermediary metabolism. (shrink)

Sperm motility and respiration are tightly coupled processes, both activated by an increased intracellular pH (pHi). As the sperm pHi increases, the flagellar motor driving motility is activated, leading to ATP consumption. Energy for motility is provided by mitochondrial respiration; energy transport from sperm mitochondrion to tail involves distinct isozymes of creatine kinase that effect a phosphorylcreatine shuttle. The activation of sperm motility and respiration can be described as a linked series of biochemical reactions that form a cell behavioural pathway (...) analogous to the reaction sequences of intermediary metabolism. (shrink)