Extinction of drug cue reactivity in methamphetamine-dependent individuals

Conditioned responses to drug-related environmental cues (such as craving) play a critical role in relapse to drug use. Animal models demonstrate that repeated exposure to drug-associated cues in the absence of drug administration leads to the extinction of conditioned responses, but the few existing clinical trials focused on extinction of conditioned responses to drug-related cues in drug-dependent individuals show equivocal results. The current study examined drug-related cue reactivity and response extinction in a laboratory setting in methamphetamine-dependent individuals. Methamphetamine cue-elicited craving was extinguished during two sessions of repeated (3) within-session exposures to multi-modal (picture, video, and in-vivo) cues, with no evidence of spontaneous recovery between sessions. A trend was noted for a greater attenuation of response in participants with longer (4-7 day) inter-session intervals. These results indicate that extinction of drug cue conditioned responding occurs in methamphetamine-dependent individuals, offering promise for the development of extinction- based treatment strategies.     

Animalism and the varieties of conjoined twinning

We defend the view that we are not identical to organisms against the objection that it implies that there are two subjects of every conscious state one experiences: oneself and one’s organism. We then criticize animalism—the view that each of us is identical to a human organism—by showing that it has unacceptable implications for a range of actual and hypothetical cases of conjoined twinning: dicephalus, craniopagus parasiticus, and cephalopagus.     

Constraining or Constructive? The Effects of Examples on Idea Novelty

The tendency to conform to prior examples can be viewed as a form of mental fixation that has negative consequences and limits the scope and quality of designs. Two experiments using the Smith, S. M., Ward, T. B., & Schumacher, J. S. [(1993) Memory & Cognition, 21, 837‐845] toy invention task were conducted to determine whether participants who viewed example toys would subsequently generate toys rated as less novel compared to a control group viewing no examples. Although participants who viewed examples tended to incorporate the example features into their own ideas, the novelty of their ideas was rated as higher than those of the control group. This effect occurred both with no specific instruction regarding the examples (Experiment 1), as well as when specifically instructed to be different from the examples (Experiment 2). These results indicate that examples do not always have a negative impact on creativity, and suggest they may sometimes help lead to more unusual ideas.     

Importation and deprivation factors influencing teacher-targeted aggression among secondary school students in Germany: A multilevel analysis

Relying on an importation and deprivation framework, the study assessed a variety of risk factors associated with self-reported teacher-targeted aggression among ninth grade students (n = 5,673). Using a cross-sectional school survey conducted in one German federal state, two forms of teacher-targeted aggression were assessed: verbal (insulting, threatening, and mocking) and physical (beating and pushing) aggression. Every ninth student reported verbal aggression, while 0.5% of students reported physical aggression against teachers. Multilevel probability models showed that individual importation factors (low self-control, male gender, and exposure to severe parental violence), together with individual deprivation factors (repeated victimization by teachers and low school achievement) play a role in explaining teacher-targeted aggression. The school-level deprivation factor of negative teacher–student relationships was also relevant, whereas low teacher control and attending lower-level schools were unrelated to the perpetration of teacher-targeted aggression. The present study stresses the need to acknowledge the multilevel etiology of teacher-targeted aggression.     

Development and validation of a questionnaire to measure primary school children’s images of and attitudes towards curiosity (the CIAC questionnaire)

Motivation and Emotion - This paper presents a validation study of a questionnaire to measure primary children’s images of and attitudes towards curiosity (the CIAC questionnaire). Policy...     

The Urge to Splurge Revisited: Further Reflections on Applying Terror Management Theory to Materialism and Consumer Behavior

We respond to commentaries by Maheswaran and Agrawal (2004) and Rindfleisch and Burroughs (2004) on the application of terror management theory to understanding conspicuous consumption and consumer behavior. Specifically, we consider individual differences in terror management research; the possibility of cultural variation (or lack thereof) in terror management processes; the viability of materialism as a pathway to securing existential meaning; and the different and, at times possibly conflicting, motivations that may be evoked by the awareness of death.     

Non‐zero‐sum collaboration,reciprocity, and the preference for similarity: Developing an adaptive model of close relational functioning

An evolutionary framework was used to develop a model of relational functioning among friends. The proposed model focuses on the collaborative nature of close friendships and attempts to highlight two adaptive mechanisms important in creating non‐zero‐sum outcomes among highly interdependent parties. The model emphasizes the importance of reciprocity in creating mutually beneficial outcomes through social exchange, and it articulates how the preference for similarity is useful when creating non‐zero‐sum rewards through synergistic coordination. In particular, the focus is on the unique role that shared interests and mutual knowledge play when individuals attempt to pursue common goals through joint activity. The implications of the model are discussed with respect to a host of issues ranging from deceptive communication to relational satisfaction and commitment.     

A Big Five model of disposition and situation interaction: why a “helpful” person may not always behave helpfully

A “bottom-up” Big Five disposition-situation interaction model is introduced that highlights the interactive relation between an individual's behavioral trait tendencies and the different facets of a situation to which he or she may respond. In the proposed model, personality traits are considered markers for how an individual might interpret and respond to different facets of a situation. Given a complex situation with multiple response options, a person will respond to the part of the situation most salient to him or her at that time. The presented model illustrates how interactions between the trait dimensions of the Big Five model with the different facets of a situational context, as well as the intra-individual interactions between the different trait dimensions themselves, determine which facet of a situation will be salient. The model is expected to improve prediction of specific behaviors in specific situations using personality traits. Results from an illustrative study are presented.