Two experiments were conducted to ascertain the cardiovascular accompaniments of differential Pavlovian jaw movement (JM) conditioning. The first examined the blood pressure (BP) changes that accompany the tachycardiac conditioned responses (CRs) associated with JM conditioning. The BP response in all instances consisted of a depressor response that was greater to the reinforced CS+ than CS-, although the magnitude of the CR was quite small. The second experiment determined the effects of peripheral autonomic antagonists on the cardiac accelerations associated with JM conditioning. It was found that the peripheral vagal antagonist methyl scopolamine completely abolished responses to both CS+ and CS-, whereas atenolol, a beta adrenergic antagonist, augmented the response, compared to saline control injections. The JM responses were also affected by the autonomic blockades, with minimal responding occurring in the scopolamine group but slightly more JM CRs in the atenolol group, compared to saline control animals. These results suggest that the major cardiovascular response to an appetitive stimulus, which evokes JM conditioning, consists of cardiac accelerations with the BP depressor responses playing a minimal, if any, role. Moreover, these conditioned cardiac increases appear to be due solely to the release of vagal inhibition. 相似文献
A series of previous studies with studentparticipants has shown that females' self-IQ estimatesare significantly lower than those of males. In thisstudy, 184 mostly white British adults estimated their own IQ and that of their children. The resultswere in line with previous studies, in that males ratedtheir IQ higher than females (108 vs. 104). Both sexesrated their male children higher than their female children (109 vs. 102). Males tendedmore than females to believe there is a greaterdifference between the intelligence of female and malechildren, but this was not significant. Results wereconsidered in terms of the current sociobiological andsociocultural explanations for sex differences inability. 相似文献
Customers who purchased a household cleaning product from a door-to-door salesman were offered a monetary rebate after the sale. Customers accepted the rebate when it came from a company, but not when it came from the salesman. A second study replicated these findings and also showed that customers were reluctant to accept rebates that came from middlemen (suppliers). It seems likely that customers were more willing to accept money from the company than from other donors becausc they believed the company had higher income. 相似文献
In this paper we analyze the propositional extensions of the minimal classical modal logic system E, which form a lattice denoted as CExtE. Our method of analysis uses algebraic calculations with canonical forms, which are a generalization of the normal forms applicable to normal modal logics. As an application, we identify a group of automorphisms of CExtE that is isomorphic to the symmetric group S4. 相似文献
This study addresses the need for empirically validated tools to support the training, supervision, and the discovery of best practices in Marital and Family Therapy (MFT). This project represents a first step in developing the Dyadic Supervision Evaluation (DSE), an assessment tool that is grounded in developmental and systemic theory and is psychometrically strong. An Exploratory Factor Analysis (EFA) approach was applied to data from 88 trainee-supervisor dyads across four time periods during the first year of clinical training, resulting in 20 factors, including 9 factors for trainees and 11 factors for supervisors with internal reliabilities ranging from α’s = .82–.98. Discussion addresses the utility of the DSE in documenting the developmental and dyadic progression of supervision during the first year of MFT training. 相似文献
The present study sought to explore how women's life experiences influenced their beliefs, and how those beliefs in turn influenced feminist self-identification. Additionally, we sought to determine whether feminist self-identification led to increased collective action on behalf of women. Female participants (N?=?282) from two US college campuses and online listservs completed an online survey assessing feminist self-identification, collective action, and life experiences. Conservative, liberal, and radical beliefs were assessed as were evaluations of feminists. A structural equation model was used to explore these relationships; life experiences were found to influence women's beliefs, which in turn influenced feminist self-identification, which influenced collective action. We found that life experiences may serve as a catalyst for both feminist self-identification and collective action. 相似文献
Converging research suggests phenomenological and neurobiological similarities between excessive food consumption and addictive behaviour in substance dependence. Recently, the Yale Food Addiction Scale (YFAS) has been proposed for the assessment of addictive eating behaviour. The German version of the YFAS was administered to obese individuals seeking bariatric surgery (N?=?96). Factor structure, internal consistency, and item statistics were analysed. Forty participants (41.70%) received a food addiction diagnosis. The one-factorial structure of the YFAS, which has been found in non-clinical samples, could be confirmed. All but three items had factor loadings >.50. Internal consistency was α?=?.82. Item analysis revealed that items related to unsuccessful attempts to cut down and consumption despite physical and emotional problems were endorsed by the majority of participants. Findings support the use of the YFAS in clinical populations, while applicability of some items differs between clinical and non-clinical samples. Copyright ? 2012 John Wiley & Sons, Ltd and Eating Disorders Association. 相似文献
An experiment is described showing that learned helplessness deficits are produced by prior exposure to uncontrollable outcomes rather than perceived failure. Although the controllability manipulation did produce differences in perceived success or failure, similar differences were also induced by means of instructional feedback. These latter differences, within the controllable and uncontrollable groups, were not associated with poorer performance by subjects given failure feedback. Moreover, the instructional feedback did not influence subjects' perceptions of controllability or uncontrollability. The results confirm that helplessness deficits cannot be explained as reactions to task failure.This research was supported by Research Grant A28015473 from the Australian Research Grants Scheme. 相似文献
Communication during a combat deployment has changed significantly in current times. Couples can now communicate with each other frequently and through multiple modes. Despite this greater availability of communication options, there remain unanswered questions related to how healthy deployment communication is best achieved between couples, particularly regarding navigating the uncertainty of deployment. In this qualitative study, we report on the experiences of 31 National Guard couples who endured a combat deployment in support of Operation Enduring Freedom. Couples were interviewed three months after the soldier returned from deployment. Through the lens of relational turbulence theory, we provide a conceptual framework related to effective and non-effective deployment communication, along with structural communication barriers in the military that may negatively affect the mental well-being of partners. Finally, we provide recommendations to guide couples through these difficult deployments.