A static color discontinuity can capture spatial attention when the target is an abrupt-onset singleton

C. L. Folk, R. W. Remington, and J. C. Johnston's (1992) contingent involuntary orienting hypothesis states that a salient visual feature will involuntarily capture attention only when the observer's attentional set includes similar features. In four experiments, when the target's relevant feature was its being an abruptly onset singleton, attentional capture occurred for a static discontinuity cue that was the boundary between a group of red Xs contiguously joined to a group of green Os within a single row. Such an attentional capture effect is novel and contrary to Folk et al.'s (1992) hypothesis, because the attentional set for the target should have included abrupt onset but not color discontinuity, which was the feature that captured attention. These capture effects were involuntary because they occurred even when the target never appeared in the same location as the cue, and color could not have been used as a cue to signal the appearance of the target array (cf. B. S. Gibson & E. M. Kelsey, 1998).     

Methamphetamine use in a rural college population: associations with marijuana use, sensitivity to punishment, and sensitivity to reward

This study examined predictors of methamphetamine use in a 6-month prospective study of 2,270 rural young adults. Sensitivity to punishment (SP), sensitivity to reward (SR), and gender were exogenous variables in an observed variable path analysis with 3 endogenous criteria: Time 1 (T1) marijuana use and methamphetamine use at T1 and Time 2 (T2). SP was negatively associated with marijuana use at T1, and this association was attenuated by SR. Male gender was positively associated with marijuana use. T1 marijuana use and SR were positively, and male gender negatively, associated with T1 methamphetamine use. T1 methamphetamine use, T1 marijuana use, and SP were positively associated with T2 methamphetamine use. Methamphetamine use prevalence and the role of distal predictors and proximal indicators of drug involvement are discussed.     

Sport team identification and willingness to consider anonymous acts of hostile aggression

Previous research indicated that a sizeable minority of individuals report a willingness to consider engaging in anonymous acts of instrumental aggression directed toward players and coaches of a rival team. Individuals with a high degree of identification with their favorite team were particularly likely to consider such acts. The current investigation was designed to extend this research by examining the likelihood that individuals would consider engaging in hostile anonymous aggression. It was expected that highly identified persons would be particularly likely to consider these acts, even though the acts would not provide a competitive advantage for their team. Data collected from 175 university students confirmed the expectations. In addition, the results indicated that males were more likely than females to report a willingness to consider the hostile aggressive acts and that participants were more likely to report a willingness to engage in less destructive acts (e.g., tripping an opposing player or coach) than more destructive acts (e.g., murdering an opposing player or coach). Aggr. Behav. 29:406–413, 2003. © 2003 Wiley‐Liss, Inc.     

Brain plasticity and behavior

Although the brain was once seen as a rather static organ, it is now clear that the organization of brain circuitry is constantly changing as a function of experience. These changes are referred to as brain plasticity, and they are associated with functional changes that include phenomena such as memory, addiction, and recovery of function. Recent research has shown that brain plasticity and behavior can be influenced by a myriad of factors, including both pre- and postnatal experience, drugs, hormones, maturation, aging, diet, disease, and stress. Understanding how these factors influence brain organization and function is important not only for understanding both normal and abnormal behavior, but also for designing treatments for behavioral and psychological disorders ranging from addiction to stroke.     

Naming,Saying, and Structure

It is commonplace for philosophers to distinguish mere truths from truths that perspicuously represent the world's structure. According to a popular view, the perspicuous truths are supposed to be metaphysically revelatory and to play an important role in the accounts of law‐hood, confirmation, and linguistic interpretation. Yet, there is no consensus about how to characterize this distinction. I examine strategies developed by Lewis and by Sider in his Writing the Book of the World which purport to explain this distinction in terms of vocabulary: the truths that represent the world perspicuously have better, joint‐carving vocabulary. I argue that the distinction between a perspicuous and mere truth concerns both the vocabulary of the sentence and its grammar. I then show that the collective motivations for distinguishing perspicuous from mere truths do not allow Lewis and Sider to properly impose constraints on grammar.     

Pathways to Housing Policy: Translating Research to Policy to Achieve Impact on Well Being

Policy emerges from the legislative, agency, and practice levels and from several pathways, including litigation; high profile or tragic events; community‐based service provision and practice innovations; and research evidence. This commentary places an emphasis throughout on discussions of the articles included in this issue. It explores pathways that influenced the development of housing policy targeting child and family well being and provides examples to illustrate each pathway. The article further highlights how research on housing and child well being has influenced policy and practice and notes gaps for further research. It concludes with suggestions for structuring research to more effectively assist policymakers to make informed decisions that achieve positive change for children, youth, and families.     

The primacy question in Merleau-Ponty’s existential phenomenology

This paper takes up the question as to what has primacy within Merleau-Ponty’s existential phenomenology as a way to provide insight into the relation between empirical science and transcendental philosophy within his account of embodiment. Contending that this primacy necessarily pertains to methodology, I show how Kurt Goldstein’s conception of biology provided Merleau-Ponty with a scientific model for approaching human existence holistically in which primacy pertains to the transcendental practice of productive imagination that generates the eidetic organismic Gestalt in terms of which sense is made of empirical facts. Considering the analogous role played by imagination in Merleau-Ponty’s account of perceptual synthesis in the form of what he called projection, I argue that his account of embodiment is, parallel to Goldstein, grounded methodologically on the projection of an organismic Gestalt, and that as a form of operative-intentional praxis projection is the site of primacy in his phenomenology overall. In terms of the relation between natural science and transcendental philosophy in Merleau-Ponty’s account of embodiment, while the theoretical dimension of the latter—the eidetic apriority of the organismic Gestalt—is coupled dialectically with empirical facts on an epistemically coeval basis, these are jointly subordinated to the normative commitments implied by the imaginative projection of that Gestalt. The primacy of the latter is transcendental but in a distinctly practical sense, such that any substantive discrepancy between natural science and Merleau-Pontian phenomenology reflects metaphilosophical, not theoretical, disagreement.     

The Big Picture of Individual Differences in Physical Activity Behavior Change: A Transdisciplinary Approach

The goal of this research is to utilize a transdisciplinary framework to guide the selection of putative moderators of the effectiveness of an intervention to promote physical activity behavior adoption and maintenance in the context of a randomized controlled intervention trial. Effective interventions to increase physical activity are sorely needed, and one barrier to the identification and development of such interventions is the lack of research targeted at understanding both the mechanisms of intervention efficacy and for whom particular interventions are effective. The purpose of this paper is to outline our transdisciplinary approach to understanding individual differences in the effectiveness of a previously successful exercise promotion intervention. We explain the rationale for and operationalization of our framework, characteristics of the study to which we apply the framework, and planned analyses. By embracing a transdisciplinary orientation for individual differences important in the prediction of physical activity (spanning molecular approaches, animal models, human laboratory models, and social psychological models), we hope to have a better understanding of characteristics of individuals that are important in the adoption and maintenance of physical activity.