Attentional capture by emotional faces in adolescence

Poor decision making during adolescence occurs most frequently when situations are emotionally charged. However, relatively few studies have measured the development of cognitive control in response to emotional stimuli in this population. This study used both affective (emotional faces) and non-affective (letter) stimuli in two different flanker tasks to assess the ability to ignore task-irrelevant but distracting information, in 25 adults and 25 adolescents. On the non-emotional (letter) flanker task, the presence of incongruent flanking letters increased the number of errors, and also slowed participants’ ability to identify a central letter. Adolescents committed more errors than adults, but there were no age-related differences for the reaction time interference effect in the letter condition. Post-hoc testing revealed that age-related differences on the task were driven by the younger adolescents (11-14 years); adults and older adolescents (15-17 years) were equally accurate in the letter condition. In contrast, on the emotional face flanker task, not only were adolescents less accurate than adults but they were also more distracted by task-irrelevant fearful faces as evidenced by greater reaction time interference effects. Our findings suggest that the ability to self-regulate in adolescents, as evidenced by the ability to suppress irrelevant information on a flanker task, is more difficult when stimuli are affective in nature. The ability to ignore irrelevant flankers appears to mature earlier for non-affective stimuli than for affective stimuli.     

Ego-Identity Achievement and Perception of Risk in Intimacy in Survivors of Stranger and Acquaintance Rape

One hundred twenty-two women participated in a study of the relationship between acquaintance/stranger rape and the respective variables of ego-identity achievement (attainment of self-image during adolescence that integrates one's ideas of what one is and what one wants to be) and perception of risk in intimacy (perception of close interpersonal relationships as a risky proposition). Results showed that compared to women who had not been sexually assaulted, survivors of rape in general reported lower ego-identity achievement and greater perception of risk in intimacy. Focusing on acquaintance rape and stranger rape with age at the time of assault as possible moderator, it was found that lower ego-identity achievement was systematically related to acquaintance rape in women who had been raped during their adolescent years, but not in survivors of rape during adulthood. Perception of risk in intimacy was significantly higher among women who had been raped when adolescents compared to those who had been raped during adulthood, but only in relation to acquaintance rape.     

Self-Other Discrepancies in Waiting Time Decisions

Both anecdotal evidence and recently reported research suggest that people are risk-averse when faced with waiting time decisions. Four studies investigate whether there is a self-other discrepancy in how people make waiting time decisions themselves and how they predict others will make similar decisions. People are found to believe that others have valuations of time similar to their own. However, when faced with alternatives that involve risk in the duration of the wait, the results point to a self-other discrepancy, in that people report greater risk-aversion themselves than they think others would. Further, when faced with waiting time gains, people are themselves more risk-averse than they think others would be. Conversely, when faced with waiting time losses, people are themselves more risk-seeking than they think others would be. Overall, the results are consistent with the recently proposed risk-as-feelings hypothesis.     

Why Young Men Drive Dangerously: Implications for Injury Prevention

Why is risk consistently underestimated, and why do young men in particular take exceptionally high risks and think of themselves as invulnerable? Two explanatory paths are proposed. The first is that risk taking in young males has been shaped by evolutionary forces to provide a fitness value. The second pathway is through myth and the other narrative forms that affirm the ego's immortality and invulnerability. Because of its evolutionary base, risk taking is emotionally driven: Emotions are preverbal and irrational, which means that persuasive prevention cannot be more than weakly successful. Three prevention challenges emerge from this analysis: to determine what it is that young drivers fear, to attach affectively experienced fears to defined driving behaviors, and to devise injury-prevention programs that acknowledge that young males' risk taking is not "stupid," but driven by adaptive needs that are as significant to today's young adults as they were to our distant ancestors.     

风险偏好预测中的性别差异和框架效应

11 8名大学生被试在得益和损失两种任务框架下对自己、其他男性和女性的风险偏好进行了预测。结果发现 ,被试在损失框架下对各类对象风险偏好的预测均高于得益框架 ,且都高估了男性的风险偏好 ,低估了女性的风险偏好。在损失框架下 ,女性被试对各类对象的风险偏好预测高于男性的预测。研究认为 ,性别原型知识、任务框架和即时情绪共同影响被试的风险偏好预测。     

A study of emotion and reason in products and services

This study investigates the relationship between emotion, reason and perceived risk. Evidence is presented using an aggregative data set of 146 products and services which were randomly selected from the SIC (Standard Industrial Classification Codes) manual. It is demonstrated that emotional factors account for a significant and substantial portion of the variance in perceived risk even after the effect of rational factors (perceived differences between alternatives) has been taken into account. It is suggested that emotion be explicitly modelled in future conceptualisations of perceived risk. Copyright © 2002 Henry Stewart Publications.     

Risk perception and risky choice: Situational, informational and dispositional effects

We investigated how situational (gain–loss), informational (opportunity–threat framing) and dispositional (achievement motive and avoidance motive) variables affected opportunity–threat perception and risky choice in managerial decision-making contexts. In Study 1, the risk preference of the participants showed a reflection effect due to situational differences (gain or loss) and a partial framing effect caused by presenting the same choice information in terms of either opportunities or threats. However, both effects were in the opposite direction of predictions from prospect theory. Gains and positive framing enhanced risk-seeking preference whereas losses and negative framing augmented risk-averse preference. Risk-seeking choices were mediated by opportunity perception whereas risk-averse choices were mediated by threat perception. In Study 2, the participants high in achievement motive perceived greater opportunities in a negative situation, and the participants high in avoidance motive perceived greater threats in a positive situation, suggesting that ambition (achievement motive) operates more significantly in the face of adversities whereas cautiousness (avoidance motive) functions more significantly in prosperity.     

Habituation in high‐risk infants: reliability and patterns of responding

We examined both the reliability of infant‐controlled habituation and patterns of responding in a group of high‐risk infants (mean age 16 mos). Good test–retest reliability was found for mean, total, and baseline looking time for one of the stimuli. Classification of infants' pattern of performance yielded two groups: linear (57%) and non‐linear (29%) responders; 14% of cases could not be classified because of cross‐session inconsistencies in performance. Linear responders had shorter total looking times, fewer trials to criterion, and showed more habituation than non‐linear responders, thus validating the linear/non‐linear distinction. Our findings indicate that the infant‐controlled habituation task can be used reliably with infants who are at high risk for developmental disorders. Indeed, we provide evidence that this task is not only reliable, but may also provide meaningful distinctions between infants within the high‐risk population. Discussion focuses on the role of attention in distinguishing between short (linear) and long (non‐linear) lookers. Copyright © 2003 John Wiley & Sons, Ltd.     

Intergenerational studies of parenting and the transfer of risk from parent to child

This review describes a recent approach to studying the intergenerational processes that place families and children at risk for a broad variety of social, behavioral, and health problems. Intergenerational studies typically involve two (or more) generations of participants, observed over time. These projects are utilized to study the origins and early determinants of parenting behavior and of other environmental, health, and social conditions that place young offspring at risk for continuing behavioral, cognitive, and health problems. Convergent findings, across a broad range of research populations in several countries, suggest that problematic parenting develops in part through learning the behavior modeled by one's own parents. In addition, problematic parenting seems to be an extension of an individual's early style of aggressive and problematic social behavior. Parents with a history of childhood aggression, in particular, tend to have continuing social, behavioral, and health difficulties, as do their offspring. Conversely, parental involvement, cognitive stimulation, warmth, and nurturance appear to have important protective effects for offspring. Finally, educational achievement appears to be a powerful buffer against problematic parenting and a wide variety of difficult family circumstances, protecting families against the transfer of risk between generations.     

自我保护性医疗的伦理扫描--论患方知情同意与医方规避风险

自我保护性医疗是近年来医方为应对医患关系重构而采取的一种行为模式,其本身和影响具有全新特点,充满价值冲突;这种行为模式,客观上是对应医疗风险尤其是重大医疗风险的;主观上同医方免责期待的张扬以及对知情同意的解读直接相关;因而,正当的自我保护性医疗既取决于医方合理的免责期待,以及改变对知情同意的误读,更依赖于自身的医学伦理综合素质的打造和完善。