A Transformative Eucharistic Vision for the Entire Oikoumene

This article begins from the awareness that in a world of affluence, millions are hungry. It addresses the question as to whether this is merely an economic issue or whether it also poses an ethical and theological dilemma, considering ways in which the situation we are living in challenges our faith in the transformation of bread and wine into the body and blood of Christ. It asks how, in the situation as it is, there is any possibility of believing in such a transformation. Finally it questions whether there is any relationship between hope for the transformation of hunger amidst affluence and belief in the transformation of bread into the body of Christ, and outlines a transformative eucharistic vision for the global Christian Church.     

Effect of Islamic psycho-spiritual therapy in managing craving,withdrawal symptoms,and mental health problems among cannabis users

ABSTRACT

The present study is an examination of Islamic psycho-spiritual therapy in managing craving, withdrawal symptoms, and mental health problems among cannabis users. Homogeneous purposive sampling was used in the selection of the sample. The therapy and administration of three scales (Marijuana Craving Scale Short Form; Cannabis Withdrawal Scale; Mental Health Inventory) were undertaken among 40 Muslim male cannabis users whose age ranged between 14 and 37 years on pre- and post-test analysis. The results highlighted the significant differences in the respective dimensions of the Craving and Withdrawal Scales and the Mental Health Inventory such as compulsivity, emotionality, expectancy and purposefulness, withdrawal intensity and negative impact of withdrawal symptoms, anxiety, depression, loss of behavioural/emotional control, emotional ties, life satisfaction, psychological distress, psychological well-being, and mental health index.     

From world hunger to food sovereignty: food ethics and human development

The role of Amartya Sen's early work on famine notwithstanding, food security is generally seen as but one capability among many for scholars writing in development ethics. The early literature on the ethics of hunger is summarized to show how Sen's Poverty and Famines was written in response to debates of past decades, and a brief discussion of food security as a capability follows. However, Sen's characterization of smallholder food security also supports the development of agency in both a political and an economic sense. Economic agency is discussed and tied to longstanding literatures on the moral significance of farming within political economy. Finally, while the newly emergent literature on food sovereignty includes many themes, it is shown to be re-articulating arguments that stress smallholder's economic agency as a development goal. This pattern of argument thus provides a way to reconcile at least some of the claims being advanced under the banner of food sovereignty with the human development approach, while also restoring food ethics to a more central place in the overall discourse of development ethics.     

Food pleasantness affects visual selective attention

Fundamental to adaptive behaviour is the ability to select environmental objects that best satisfy current needs and preferences. Here we investigated whether temporary changes in food preference influence visual selective attention. To this end, we exploited the fact that when a food is eaten to satiety its motivational value and perceived pleasantness decrease relative to other foods not eaten in the meal, an effect termed sensory-specific satiety. A total of 26 hungry participants were fed until sated with one of two palatable foods. Before and after selective satiation, participants rated the pleasantness of the two foods and then viewed the same as stimuli on a computer screen while attention was assessed by a visual probe task. Results showed that the attentional bias for the food eaten decreased markedly from pre- to postsatiety, along with the subjective pleasantness for that food. By contrast, subjective pleasantness and attentional bias for the food not eaten did not show any such decrease. These findings suggest that the allocation of visual selective attention is flexibly and rapidly adjusted to reflect temporary shift in relative preference for different foods.     

大学生网络成瘾：背景性渴求与同伴网络过度使用行为及态度的交互作用

基于整体-交互作用模型,选取北京市某高校所有大一学生2511名为被试开展问卷调查,考察了大学生网络使用背景性渴求的特点及其与网络成瘾之间的关系,并就网络使用背景性渴求与同伴网络过度使用行为与态度对网络成瘾的交互作用进行了检验。结果发现:(1)与非网络成瘾大学生相比,网络成瘾大学生的网络使用背景性渴求更高,所感知到的同伴网络过度使用行为更多,同伴对网络过度使用的态度更积极;(2)网络使用背景性渴求各维度、感知到的同伴网络过度使用行为可正向预测大学生的网络成瘾;(3)背景性渴求中的积极结果预期与同伴对网络过度使用的态度对网络成瘾存在显著的交互效应:在低积极结果预期条件下,同伴对网络过度使用的态度可以负向预测网络成瘾程度,而在高积极结果预期条件下,同伴态度对网络成瘾的预测作用不显著。结论:外因在内因比较微弱的条件下发挥更为明显的作用。     

Scarce Foods are Perceived as Having More Calories

People vary dramatically in their calorie estimates of food depending on the information available to them. Prior research has focused on information that is normatively relevant to the number of calories a food contains (e.g., fat content, serving size). The current research examines whether information that is normatively irrelevant to the number of calories a food contains—such as its availability—might also shape people's calorie estimates. Three studies found that a food perceived as limited in availability leads people to estimate the food to contain more calories. Serial mediation analyses revealed that this effect occurs because scarce food is seen as more valuable and expensive, which subsequently induces feelings of resource deprivation. This sense of resource deprivation, in turn, leads to motivated perception, whereby higher calorie estimates are the result of people wanting to acquire more resources. The findings provide insight into the psychology of scarcity and underscore the importance of understanding how contextual factors shape people's calorie estimates and the psychological mechanisms that drive them.     

Chimpanzees do not take into account what others can hear in a competitive situation

Chimpanzees (Pan troglodytes) know what others can and cannot see in a competitive situation. Does this reflect a general understanding the perceptions of others? In a study by Hare et al. (2000) pairs of chimpanzees competed over two pieces of food. Subordinate individuals preferred to approach food that was behind a barrier that the dominant could not see, suggesting that chimpanzees can take the visual perspective of others. We extended this paradigm to the auditory modality to investigate whether chimpanzees are sensitive to whether a competitor can hear food rewards being hidden. Results suggested that the chimpanzees did not take what the competitor had heard into account, despite being able to locate the hiding place themselves by the noise.     

海洛因延迟强化物超快速折扣倾向的心理机制

以124名处于不同戒除时相的男性海洛因戒除者为被试, 采用金钱和海洛因延迟折扣任务(DDT), 并以基于线索暴露的渴求感测量为效度指标, 探讨了该类人群对海洛因延迟强化超快速折扣倾向及其心理机制。结果发现: (1) 相对于金钱延迟强化, 戒除者对海洛因延迟强化表现出显著的超快速折扣倾向, 且该倾向不随戒除期的延长而改变; (2) 戒除者对海洛因延迟强化的超快速折扣行为可能是其冲动性特质与海洛因相关线索共同作用的结果, 海洛因相对于金钱折扣率的增量部分可能反映了海洛因及其相关线索对该类人群主观渴求感的诱发效应。