Drive, reward sensitivity and the flattening of both.
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1001 to 1025 of 1,483Medical students' knowledge and attitudes toward organ donation: results of a Dutch survey.
Background: In the Netherlands, as in many other countries, a paucity of research exists on the attitudes and intentions of medical students toward organ donation. These students are of interest for the effect that increasing medical knowledge might have on the willingness to register as a donor.
Objective: To examine which factors determine medical students' willingness to register as donors.
Methods: We conducted a cross-sectional survey among medical students at the University of Amsterdam. Our questionnaire included questions on actual donor registration, motives, knowledge, and attitudes toward donation. To assess which factors were related to self-reported donor registration status, we conducted multivariate logistic regression analyses.
Results: We received 506 questionnaires (response rate at least 84%). The majority of respondents (80%) intended to donate organs, while 59% were …
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Actions, action sequences and habits: evidence that goal-directed and habitual action control are hierarchically organized.
Behavioral evidence suggests that instrumental conditioning is governed by two forms of action control: a goal-directed and a habit learning process. Model-based reinforcement learning (RL) has been argued to underlie the goal-directed process; however, the way in which it interacts with habits and the structure of the habitual process has remained unclear. According to a flat architecture, the habitual process corresponds to model-free RL, and its interaction with the goal-directed process is coordinated by an external arbitration mechanism. Alternatively, the interaction between these systems has recently been argued to be hierarchical, such that the formation of action sequences underlies habit learning and a goal-directed process selects between goal-directed actions and habitual sequences of actions to reach the goal. Here we used a two-stage decision-making task to test predictions…
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Self-compassionate reactions to health threats.
Four studies investigated the relationship between self-compassion, health behaviors, and reactions to illness. Participants completed measures of self-compassion, health-related thoughts and feelings, reactions to actual and hypothetical illnesses, and self-regulation. Study 1 revealed that self-compassion was related to health-related cognitions and affect for healthy and unhealthy participants. In Study 2, self-compassion predicted participants' reactions to actual illnesses beyond the influence of illness severity and other predictors of health behaviors. Self-compassionate people also indicated they would seek medical attention sooner when experiencing symptoms than people lower in self-compassion. Study 3 demonstrated that self-compassion is related to health-promoting behaviors even after accounting for self-regulatory capabilities and illness cognitions. Study 4 revealed that the…
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Behavioral economics holds potential to deliver better results for patients, insurers, and employers.
Many programs being implemented by US employers, insurers, and health care providers use incentives to encourage patients to take better care of themselves. We critically review a range of these efforts and show that many programs, although well-meaning, are unlikely to have much impact because they require information, expertise, and self-control that few patients possess. As a result, benefits are likely to accrue disproportionately to patients who already are taking adequate care of their health. We show how these programs could be made more effective through the use of insights from behavioral economics. For example, incentive programs that offer patients small and frequent payments for behavior that would benefit the patients, such as medication adherence, can be more effective than programs with incentives that are far less visible because they are folded into a paycheck or used to…
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Forming a flossing habit: an exploratory study of the psychological determinants of habit formation.
Objectives: Habit formation has been proposed as a means to promote maintenance of healthy behaviours, but there have been few investigations into how habits are formed. This exploratory study sought to model determinants of the formation of a dental flossing habit, including placement of the behaviour within the routine (before vs. after tooth-brushing), past behaviour, prospective memory ability, and motivational factors.
Design and method: All participants (N = 50) received a motivational intervention designed to initiate behaviour change and habit formation. Half of the participants were instructed to floss before brushing, and half after. Participants subsequently self-reported flossing behaviour daily and, 4 weeks later, flossing automaticity. Automaticity and flossing frequency were also measured at 8-month follow-up.
Results: Participants with stronger prospective memory ability,…
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Lavner JA, Karney BR, Bradbury TN (2013)MEDLINE-indexed journal, not yet read by usJournal of family psychology : JFP : journal of the Division of Family Psychology of the American Psychological Association (Division 43)15 citations Newlyweds' optimistic forecasts of their marriage: for better or for worse?
Newlywed spouses routinely hope and believe that their relationships will thrive, but theoretical accounts differ on whether optimistic projections such as believing that one's marriage will improve are sources of strength, random forecasting errors, or self-protective mechanisms. To test these opposing perspectives, we asked 502 newlywed spouses in 251 marriages to predict how their overall feelings about their relationships would change over the following four years, and we then compared these reports to their prospective marital satisfaction trajectories. Nearly all spouses predicted their marital satisfaction would remain stable or improve over the following four years. Marital satisfaction declined on average despite this high overall level of optimism. Wives with the most optimistic forecasts showed the steepest declines in marital satisfaction. These wives also had lower self-este…
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Student-teacher relationship quality and academic adjustment in upper elementary school: the role of student personality.
This study tested a theoretical model considering students' personality traits as predictors of student-teacher relationship quality (closeness, conflict, and dependency), the effects of student-teacher relationship quality on students' math and reading achievement, and the mediating role of students' motivational beliefs on the association between student-teacher relationship quality and achievement in upper elementary school. Surveys and tests were conducted among a nationally representative Dutch sample of 8545 sixth-grade students and their teachers in 395 schools. Structural equation models were used to test direct and indirect effects. Support was found for a model that identified conscientiousness and agreeableness as predictors of close, nonconflictual relationships, and neuroticism as a predictor of dependent and conflictual relationships. Extraversion was associated with higher…
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Cognitive systems for revenge and forgiveness.
Minimizing the costs that others impose upon oneself and upon those in whom one has a fitness stake, such as kin and allies, is a key adaptive problem for many organisms. Our ancestors regularly faced such adaptive problems (including homicide, bodily harm, theft, mate poaching, cuckoldry, reputational damage, sexual aggression, and the infliction of these costs on one’s offspring, mates, coalition partners, or friends). One solution to this problem is to impose retaliatory costs on an aggressor so that the aggressor and other observers will lower their estimates of the net benefits to be gained from exploiting the retaliator in the future. We posit that humans have an evolved cognitive system that implements this strategy – deterrence – which we conceptualize as a revenge system. The revenge system produces a second adaptive problem: losing downstream gains from the individual on whom r…
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Leisring PA (2013)MEDLINE-indexed journal, not yet read by usJournal of interpersonal violence29 citations Physical and emotional abuse in romantic relationships: motivation for perpetration among college women.
Intimate partner violence is extremely common in college samples. To inform prevention and intervention efforts, understanding the motivation for engaging in partner aggression is critically important. The predominant view in the domestic violence field has been that women's use of intimate partner violence occurs in the context of self-defense. However, there has been a dearth of solid evidence to support this claim. The present study explored the motivations for the perpetration of minor and severe physical aggression and for three types of emotional abuse (restrictive engulfment, denigration, and dominance/intimidation) among college women. A detailed definition of self-defense was used and motivations for women who were sole perpetrators of physical violence as well as motivations for women who had been aggressed against in their romantic relationships were examined. Anger, retaliati…
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Barbier E, Vendruscolo LF, Schlosburg JE, Edwards S, Juergens N, Park PE, Misra KK, Cheng K, Rice KC, Schank J, Schulteis G, Koob GF, Heilig M (2013)MEDLINE-indexed journal, not yet read by usNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology39 citations The NK1 receptor antagonist L822429 reduces heroin reinforcement.
Genetic deletion of the neurokinin 1 receptor (NK1R) has been shown to decrease the reinforcing properties of opioids, but it is unknown whether pharmacological NK1R blockade has the same effect. Here, we examined the effect of L822429, a rat-specific NK1R antagonist, on the reinforcing properties of heroin in rats on short (1 h: ShA) or long (12 h: LgA) access to intravenous heroin self-administration. ShA produces heroin self-administration rates that are stable over time, whereas LgA leads to an escalation of heroin intake thought to model important dependence-related aspects of addiction. L822429 reduced heroin self-administration and the motivation to consume heroin, measured using a progressive-ratio schedule, in both ShA and LgA rats. L822429 also decreased anxiety-like behavior in both groups, measured on the elevated plus maze, but did not affect mechanical hypersensitivity obse…
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The relationship between optimal parenting, Internet addiction and motives for social networking in adolescence.
This paper presents a cross-sectional study of a large, high-school Greek student sample (N=1971) with the aim to examine adolescent motives for participating in social networking (SN) for a possible link with parenting style and cognitions related to Internet addiction disorder (IAD). Exploratory statistics demonstrate a shift from the prominence of online gaming to social networking for this age group. A regression model provides with the best linear combination of independent variables useful in predicting participation in SN. Results also include a validated model of negative correlation between optimal parenting on the one hand and motives for SN participation and IAD on the other. Examining cognitions linked to SN may assist in a better understanding of underlying adolescent wishes and problems. Future research may focus in the patterns unveiled among those adolescents turning to S…
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Burnout and career choice motivation in medical students.
Background: Burnout is a stress-induced syndrome, which affects medical students. Some environmental and personal factors can favor burnout onset and its serious consequences as dropping out, sleep disorders, depression, and suicide. The motivation for choosing medicine is a personal aspect that can modulate the distress with academic demands.
Methods: We applied self-administered questionnaires in 277 medical students to investigate the predictive role of career choice motivations on burnout dimensions. Specifically, we studied the influence of the main reasons for choosing medicine on emotional exhaustion, cynicism, and academic efficacy.
Results: Intellectual curiosity, professional autonomy, altruism, and interest in human relationships were the most common reasons for choosing medicine. However, the medical students motivated by personal illness or family member's illness or death r…
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Do humans really punish altruistically? A closer look.
Some researchers have proposed that natural selection has given rise in humans to one or more adaptations for altruistically punishing on behalf of other individuals who have been treated unfairly, even when the punisher has no chance of benefiting via reciprocity or benefits to kin. However, empirical support for the altruistic punishment hypothesis depends on results from experiments that are vulnerable to potentially important experimental artefacts. Here, we searched for evidence of altruistic punishment in an experiment that precluded these artefacts. In so doing, we found that victims of unfairness punished transgressors, whereas witnesses of unfairness did not. Furthermore, witnesses' emotional reactions to unfairness were characterized by envy of the unfair individual's selfish gains rather than by moralistic anger towards the unfair behaviour. In a second experiment run independ…
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Predicting premature termination of hospitalised treatment for anorexia nervosa: the roles of therapeutic alliance, motivation, and behaviour change.
Objectives: This study aims to investigate treatment drop-out, and the associated roles of motivation, alliance, and behaviour change exhibited over the first four weeks of hospitalised treatment for anorexia.
Methods: 90 participants meeting DSM-IV criteria for anorexia nervosa completed questionnaires at admission, and four weeks into treatment. Weight data was collected over this same time period. At the end of treatment, participants were categorised into completer or premature termination groups.
Results: The overall rate of premature termination was 57.8%. Those who prematurely terminated treatment demonstrated lower discharge BMI (p<.0005), and weight gain (p<.0005) than those who completed. Therapeutic alliance proved significantly different between outcome groups at admission (p=.004).
Discussion: End-of-treatment outcomes for those who do not complete treatment are invariably p…
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Self-compassion in the face of shame and body image dissatisfaction: implications for eating disorders.
The current study examines the role of self-compassion in face of shame and body image dissatisfaction, in 102 female eating disorders' patients, and 123 women from general population. Self-compassion was negatively associated with external shame, general psychopathology, and eating disorders' symptomatology. In women from the general population increased external shame predicted drive for thinness partially through lower self-compassion; also, body image dissatisfaction directly predicted drive for thinness. However, in the patients' sample increased shame and body image dissatisfaction predicted increased drive for thinness through decreased self-compassion. These results highlight the importance of the affiliative emotion dimensions of self-compassion in face of external shame, body image dissatisfaction and drive for thinness, emphasising the relevance of cultivating a self-compassio…
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Stages of change, treatment outcome and therapeutic alliance in adult inpatients with chronic anorexia nervosa.
Background: Anorexia nervosa (AN) is associated with high rates of chronicity and relapse risk is a considerable therapeutic challenge in the disorder. The aim of the present study was to investigate the association of stages of change and outcome with a focus on the relapse struggle in the maintenance stage in patients with predominantly chronic AN. Further, therapeutic alliance and stages of change associations were explored.
Methods: As an instrument measuring relapse struggle in the maintenance stage, we applied the short form of the University of Rhode Island Change Assessment-Short (URICA-S). We assessed stages of change in 39 patients with a predominantly chronic course of AN in early, middle, and late stages of inpatient psychotherapy. General symptom severity as assessed by the SCL-90-R and weight change were investigated as outcome measures.
Results: In-line with earlier eviden…
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A novel model of chronic sleep restriction reveals an increase in the perceived incentive reward value of cocaine in high drug-taking rats.
Substance abuse and sleep deprivation are major problems in our society. Clinical studies suggest that measures of poor sleep quality effectively predict relapse to substance abuse. Previously, our laboratory has shown that acute sleep deprivation increases the rate and efficiency (i.e., the goal-directed nature of responding) of cocaine self-administration using a progressive ratio (PR) schedule of reinforcement. However, the problem of sleep deprivation in our nation is largely one of chronicity. Therefore, the current study used a rodent model of chronic sleep restriction more akin to that experienced by humans (approximately 25% reduction in baseline sleep over the course of 8 days) to assess the impact of chronic sleep deprivation on cocaine-seeking and cocaine-taking behaviors in rats early during acquisition of self-administration. While low drug-taking rats were unaffected by chr…
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Subsidized child care by grandparents: profiles of caregivers in an emerging public service context.
Grandparents have become an important source of subsidized noncustodial child care provision as states have developed child care subsidy programs for working families. Based on a sample of 140 grandparents providing care in one state subsidy program, this article examines grandparent characteristics, caregiving patterns, experiences with care provision, and training and resource needs in this emerging public service context. Our findings indicate that grandparents provide care largely for altruistic reasons. They offer vital care during nontraditional work hours and are more receptive to training provision than often is understood. Based on study findings, several strategies are presented for supporting subsidized grandparent caregivers.
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Low self-control promotes the willingness to sacrifice in close relationships.
Although previous theories and research have suggested that human behavior is automatically driven by selfish impulses (e.g., vengeance rather than forgiveness), the present research tested the hypothesis that in close relationships, people's impulsive inclination is to be prosocial and to sacrifice for their partner-to pursue the interests of the partner or of the relationship at some costs for the self. Results from four studies demonstrated that people with low self-control, relative to those with high self-control, reported greater willingness to sacrifice for their close others. Furthermore, Study 4 demonstrated that communal orientation was more strongly associated with sacrifice among participants with low self-control than participants with high self-control. This moderational pattern supports the hypothesis that communal orientation functions as a default approach to sacrifice i…
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Dar-Nimrod I (2012)MEDLINE-indexed journal, not yet read by usThe Journal of social psychology8 citations Viewing death on television increases the appeal of advertised products.
References to death abound in many television programs accessible to most people. Terror Management Theory postulates that existential anxiety, which death reminders activate, may reinforce materialistic tendencies. The current article explores the effect of a death reminder in television shows on the desirability of advertised products. Consistent with Terror Management Theory's predictions, in two studies participants show greater desire for products, which were advertised immediately following clips from programs that featured a death scene, compared with programs that did not. Cognitive accessibility of death predicted the appeal difference while changes in affect or interest in the show did not. The findings are discussed in light on affective and existential theories which make opposite predictions. Implications and future directions are considered.
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What people desire, feel conflicted about, and try to resist in everyday life.
In the present study, we used experience sampling to measure desires and desire regulation in everyday life. Our analysis included data from 205 adults, who furnished a total of 7,827 reports of their desires over the course of a week. Across various desire domains, results revealed substantial differences in desire frequency and strength, the degree of conflict between desires and other goals, and the likelihood of resisting desire and the success of this resistance. Desires for sleep and sex were experienced most intensively, whereas desires for tobacco and alcohol had the lowest average strength, despite the fact that these substances are thought of as addictive. Desires for leisure and sleep conflicted the most with other goals, and desires for media use and work brought about the most self-control failure. In addition, we observed support for a limited-resource model of self-control…
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A focused intervention for 1st-year college students: promoting hope, sense of coherence, and self-efficacy.
Many students experience elevated psychological distress during their 1st year at college. Within the salutogenic paradigm (A. Antonovsky, 1987), sense of coherence (SOC), self-efficacy, and hope (in terms of hope theory; C. R. Snyder, 2002) are considered as protective factors in the demanding academic system. Study goals were to examine the outcomes of a focused workshop for 43 students, targeting the promotion of hope, sense of coherence, and self-efficacy for enhancing students' academic adjustment as expressed through their grades. Results revealed an effect over the 3 measurement time-points (before the workshop, immediately after it, and after 1 month), as well as the interactions of time and hope levels. Although their mean grades were not statistically different before the intervention, students who achieved higher levels of hope following the workshop got higher grades in the s…
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Perfectionistic profiles among elite athletes and differences in their motivational orientations.
Although there is an emerging body of research that has examined perfectionistic clusters in the general population, few studies have explored such profiles in athlete samples. The purposes of this research were to explore perfectionistic profiles within a sample of elite athletes and the differences between them on key motivational variables. A sample of 423 elite athletes (179 males, 244 females) aged between 14 and 66 years (M = 25.64; SD = 8.57) from a variety of team (e.g., rowing, hockey, baseball, rugby) and individual sports (e.g., cycling, athletics, triathlon, gymnastics) completed a multisection questionnaire including measures of sport perfectionism, motivation regulation, achievement goals, and fear of failure. Cluster analyses revealed the existence of three perfectionism profiles, namely, nonperfectionists, maladaptive perfectionists, and adaptive perfectionists. Subsequen…
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An affective-cognitive processing model of post-traumatic growth.
A topic that has begun to attract interest from clinical psychologists and psychotherapists is post-traumatic growth. First, we provide a general overview of the field, setting out the historical development, main concepts, measurement issues and research findings. Second, we review evidence showing that the relationship between post-traumatic stress and post-traumatic growth is likely curvilinear. Third, a new affective-cognitive processing model of post-traumatic growth will be introduced in which post-traumatic stress is understood to be the engine of post-traumatic growth. Fourth, points of clinical intervention are described showing the ways in which therapists can facilitate post-traumatic growth.
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Motivations and challenges of community-based surveillance volunteers in the northern region of Ghana.
Community health workers (CHWs) are an important element of many health systems and programmes for the promotion and delivery of a wide range of health interventions and disease surveillance. Understanding the motivation and retention of CHWs is recognized as essential but there are few data from sub-Saharan Africa. This qualitative study explored factors that motivate, and the challenges faced by community-based surveillance volunteers (CBSVs) in the Northern Region of Ghana through semi-structured interviews with 28 CBSVs, 12 zonal coordinators, nine Ghana Health Service (GHS) sub-district level staff, ten GHS district level staff and two GHS regional level staff in the administrative capital. The community emerged as an important motivating factor in terms of altruism, a sense of duty to the community and gaining community respect and pride. This was enhanced by community selection of…
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