Risk perception and victim perception: The judgment of HIV cases

There is a vast literature confirming that reactions to different risks are strongly affected by characteristics other than scientific risk estimates; most of this research has concentrated on mapping people's representations of sets of widely varying dangers (e.g. diseases, natural disasters, accidents). This study explored a potentially vital component of risk that cannot be studied by eliciting general reactions to many hazards: the extent to which who is at risk contributes to perceptions and judgments of a risk. While it may be preferable to assume that misfortunes affect the population uniformly, of course the truth is not so egalitarian. Thus, for both theoretical and policy reasons, it is worth exploring psychometrically representations of a particular risk as it affects different people. Using multidimensional scaling and hierarchical cluster analysis, we constructed models of respondents' representations of a disease assumed to be particularly affected by victim perception: Human Immunodeficiency Virus (HIV). Subjects rated the similarity of all possible pairs among 16 scenarios involving HIV infection; the scenarios contained information about both the victim and the method of contraction. A set of attribute scales as well as political/demographic information allowed us both to interpret the structures and to predict individual differences. The results confirmed that reactions to HIV infection are greatly affected by reactions to the victim. In particular, the perceived distastefulness and riskiness of the method of infection loomed larger than did either the overall likability of the victim or the general riskiness of the victim's behavior. Further, the salience of the most statistically influential dimension, ‘deservedness’, depended significantly on demographic and political characteristics of the respondents, suggesting that the relationship between personal values and risk perception is in part mediated by victim perception. Implications for risk perception work and public policy are discussed.     

Depression and HIV infection: impact on immune function and disease progression

Can psychological factors, such as depression, affect human immunodeficiency virus progression? HIV infection is viewed as a chronic illness in which those infected often confront a number of emotional challenges and physical health and disease-related issues. Over the past 20 years, there has been increasing evidence that depression and other mood-related disturbances are commonly observed among HIV-positive individuals. There is also mounting data showing that depressive symptoms might further impact upon specific elements of immune system functioning and influence quality of life and health status. This paper will highlight studies examining the prevalence of depression during HIV infection and review some of the evidence examining the impact of depressive symptoms on immune function and HIV disease progression.     

The perception of digital objects and their impact on development

Clinical work with adolescents and young people over the last decade has indicated that an intense relationship to digital objects was a major aspect of their mental lives. Digital objects have become embedded, inextricably, within our psychology, emphasising the earliest drives and phantasies at some moments, yet giving rise to less familiar phenomena at other times. The aim of this paper is to consider how the rise in digital media and social networking is impacting upon the lives of young people and influencing the course of their development, with particular reference to the impact of visual media within social networks and how this has a distinct influence on mental functioning. In attempting to describe these processes, it is hoped that we can become more able to accompany younger or older people in their exploration of the digital world, which will be as important to them in their future adult lives as their mastery of the physical, external world was in early childhood. The need is pressing, since access to the digital world has significantly increased through the use of mobile, connected devices, and the further evolution of new technologies, such as ‘the internet of everything’ and ‘wearable tech’, are almost upon us.     

The impact of internalized homophobia on HIV preventive interventions

A growing body of research implicates internalized homophobia—the internalization of society's antihomosexual sentiments by gay and lesbian people—as a factor contributing to HIV-related sexual risk behavior in gay and bisexual men. Although accumulating evidence links internalized homophobia and sexual risk behavior, no study has explored the impact of internalized homophobia on efforts to prevent these behaviors. This paper examines the effect of internalized homophobia on gay and bisexual men's awareness of, participation in, and perceptions of programs offered by a community-based HIV prevention organization. In Study 1, 595 gay and bisexual men reported their levels of awareness of and participation in HIV prevention programming offered by one community organization. Internalized homophobia was negatively related to men's awareness of the services offered by the organization. However, among the men who were aware of at least one service, internalized homophobia did not further predict service utilization. Study 2 examined 89 gay and bisexual men who participated for a single session in a group-structured, community-based HIV preventive intervention. Pre- to immediate postintervention change in perceptions of condom use self-efficacy was inversely related to internalized homophobia. Internalized homophobia was also a significant negative predictor of the extent to which participants felt similar to and related well with other members of the group. Together, these findings suggest that internalized homophobia may pose multiple barriers to community-based HIV prevention efforts.     

The impact of Tarasoff on clinical practice

The clinical impact of Tarasoff (1976) has meant an increased emphasis on violence as a topic in treatment and a concern for therapists. This paper discusses the limits of confidentiality and the management of dangerous patients both before and after the landmark decision of Tarasoff. The existing research surveys on therapists' responses to Tarasoff are reviewed. Some of the clinical implications of recent court cases such as Jablonski are described. Recommendations for the management of threatening patients are made.     

The impact of mode of presentation on gender differences in social perception

This research investigated the conditions under which males might perceive sexuality in females in heterosexual interactions (the Abbey effect). Caucasian male and female couples participated in a brief interaction in which they were rated by observers. Interactants also rated themselves as well as their partners. These live interactions were videotaped, audiotaped, and photographed, and subsequently rated by other observers (subjects). Subjects made ratings on a variety of dimensions, including adjectives relating to the sexuality of the interactants as well as the interactants' desire for future interaction with their partners. Results indicated that males attributed more sexuality and a higher desire for future interactions to females they observed or with whom they interacted than females did. Further, the tendency to attribute sexuality was affected by way in which stimuli were presented to the raters. Photos, which had the least amount of information relative to the other methods, produced the highest sexuality and future interaction ratings, suggesting that stereotyping might play a role. Implications of the results and future research are discussed.This research was based on a master's thesis conducted by the first author under the direction of the second author. We gratefully acknowledge the assistance of Anthony J. Conger in the design and analysis of this research.To whom reprint requests should be addressed at Purdue University, Department of Psychological Sciences, West Lafayette, IN 47907.     

The impact of mediodorsal thalamic lesions on olfactory attention and flavor perception

Olfactory attention may be important in generating odor-induced tastes - an arguably universal form of synesthesia - by ensuring that the taste concurrent is captured by the nose and olfaction, not by the mouth and gustation (oral-capture). To examine the role of olfactory attention in generating odor-induced tastes and oral capture we tested a small sample (n = 4) of participants with likely impairments in olfactory attention - individuals with mediodorsal thalamic nucleus (MDNT) lesions. These participants were compared to two sets of controls on tests of olfactory attention, oral capture, odor and flavor perception, and control tasks. MDNT participants demonstrated impaired olfactory attention and enhanced oral capture. Greater oral capture was associated with greater olfactory attentional impairment. These findings imply that olfactory attention may be important in attributing odor-induced tastes to the olfactory modality. However, unlike for visual binding and for the neurodevelopmental synesthesias, where attention may be necessary to demonstrate both phenomena, olfactory attention deficits did not impair flavor binding or the experience of odor-induced tastes.     

The perception of ethical dilemmas in clinical practice

The empirical diagnosis presented in this paper is based on interviews with nurse practitioners and physicians designed to elicit their perceptions on the nature and role of ethical dilemmas in clinical practice. Having selected five of these perceptions or views which were common and significant, the philosophical therapy offered consists in, first, a general discussion of ethical dilemmas and, second, a critical analysis of each of the five views with the aim of pointing out confusions and errors, the recognition of which can be of applied and practical help in the clinical setting.     

Categorical perception effects reflect differences in typicality on within-category trials

Many studies have shown better discrimination of two stimuli that cross a category boundary than of two stimuli belonging to the same category. This finding, known as categorical perception, is generally assumed to reflect consistently good performance on cross-category trials, relative to within-category trials. However, Roberson, D., Damjanovic, L., and Pilling, M. (Memory & Cognition, 35, 1814-1829, 2007) revealed that performance on within-category pairs of morphed facial expressions matched performance on cross-category trials when the target was a good exemplar of its category. Here, we investigate the generality of that finding by conducting new analyses of data from a series of studies of categorical perception in facial identity and color domains with speakers of different languages. Consistent with Roberson et al. (2007), the new analyses demonstrate that performance for central targets on within-category trials is as good as performance on cross-category trials. Participants perform badly on within-category items only when the target is closer to the category boundary than is the distractor. These results provide no support for the view that categorical perception is associated with increased perceptual sensitivity at category boundaries.     

社会知觉视角下道德诉求方式如何提升劝捐效果

如何有效地引导个体“慷慨解囊”一直是理论和实践都关注的热点。基于道德基础理论和刻板印象内容模型, 研究考察了在不同社会知觉(温暖型vs.能力型)的劝捐主体中, 两种道德诉求方式(个体人道诉求vs.群体规范诉求)对劝捐效果的影响及其内在机制。3个实验的结果显示：温暖型(能力型)劝捐主体与个体人道诉求(群体规范诉求)更为契合, 更有利于提升劝捐效果; 温暖型劝捐主体进行个体人道诉求主要通过唤起个体的自我效能而提升劝捐效果, 而能力型劝捐主体进行群体规范诉求则主要通过增强个体的反应效能而提升劝捐效果。     

The CIOMS view on the use of placebo in clinical trials

Based on worldwide consultations with experts in science and ethics the revised CIOMS 2002 International Ethical Guidelines for Biomedical Research Involving Human Subjects provide guidance on when the use of placebo as a comparator in clinical research is ethically acceptable. The article reviews the main points of the CIOMS Guidelines and commentaries including the use of placebo in situations where the best current method is available and the relation of placebo to established effective intervention. It discusses the use of placebo in externally sponsored research in low-resource countries and requirements for informed consent related to placebo studies. An earlier version of this paper was presented at an international conference, “Placebo: Its Action and Place in Health Research Today,” held in Warsaw, Poland on 12–13 April, 2003.     

The impact of disclosure of HIV on the index patient's self-defined family

For most people facing a serious illness, the family is regarded as the primary source of support. Research suggests that patterns of support may differ for people infected with HIV. Access to support normally requires disclosure of one's health problem to others. This study examined the impact of disclosure of HIV on the index patient's self-defined family. Most participants were gay men attending a London HIV clinic. Both they and the care-givers whom they identified to the researchers were interviewed. The results of this qualitative study highlight the fact that many gay men with HIV do not regard their biological family as their primary social support system. Friends and partners were commonly cited as primary care-givers. Most of those interviewed who provided support to the infected individual clearly remembered the disclosure event. They also had a number of emotional reactions, over time, to disclosure. We argue that adjustment to illness among care-givers is a complex two-way, reciprocal process whereby the infected individual and care-giver take subtle cues from one another in terms of how they appear to one another to cope. Some emotionally painful feelings may be experienced but not openly expressed. Therapists who work with families affected by illness should first learn from the patient who he or she defines as 'family'. They should also enquire about the impact of disclosure of illness on all care-givers as well as subsequent reactions and unexpressed feelings associated with this.     

The impact of visual illusions on perception, action planning, and motor performance

The present study extended recent research revealing that illusions can influence performance in golf putting (Witt, Linkenauger, & Proffitt Psychological Science, 23, 397–399, 2012), by exploring the potential mediating roles of attention and action planning. Glover and Dixon’s (Journal of Experimental Psychology. Human Perception and Performance, 27, 560–572, 2001) planning–control model suggests that both perceptual and movement-planning processes are prone to illusion-based bias. We therefore predicted that both the perception of target size and a measure of attentional control related to movement planning in golf putting (the quiet eye) would be influenced by the illusion. Moreover, as performance could not be corrected using online control (once the ball was struck), we predicted that these biases would also influence performance. We therefore proposed a three-stage process by which illusory context biases perceptual processes, which in turn bias subsequent attentional control related to movement planning, which in turn biases motor performance. Forty novice golfers completed an Ebbinghaus illusion putting task that was designed to manipulate their perceptions of target size, while quiet eye duration and performance (mean radial error) were measured. The results indicated that the illusion was effective in facilitating differences in perceived target size, with perceptually bigger holes promoting longer quiet eye durations and more accurate putting. Follow-up mediation analyses revealed that illusion-based differences in size perception partially mediated illusion-based differences in both quiet eye duration and performance. Moreover, the relationship between illusion-based differences in quiet eye duration and performance was also significant. Future research should further test this three-stage process of bias in other far-aiming tasks in which online control cannot be used.     

The impact of expert testimony on trials of battered women who kill their husbands

Increased attention to family violence is reflected, in part, in the growing number of social scientists who have applied the results of their work in trials of battered women who have killed their husbands. Acting as expert witnesses, these individuals detail their knowledge and offer opinions in order to educate jurors about the social and psychological consequences of abuse within marital relationships. Little is known about the actual impact of expert testimony on jury deliberation in cases involving battered women. Those engaged in studying the interface of psychology and criminal justice have relied primarily on anecdotal evidence which suggests that expert testimony shapes jurors' attitudes and their ultimate decisions. (Ellison & Buckhout, 1981). This article summarizes psychological research on how individuals, including battered women, react to victimization and provides a preliminary theoretical formulation of this problem.     

The flexible unconscious: Investigating the judgmental impact of varieties of unaware perception

Two studies were conducted to investigate the notion that stimulus exposure time, target category, and mindset orientation can influence the impact of subliminally presented emotion faces on judgments of neutral targets. Specifically, Study 1 showed that when the stimulus and target were from different categories, assimilative judgments occurred at both short and long (but still subliminal) stimulus exposure times. Yet, when the stimulus and target were from the same category, assimilation occurred at short exposure times, and contrast occurred at long exposure times. Findings from Study 2 show that this effect is moderated by one’s goal during processing. That is, when motivated to see a specific type of stimulus, contrast occurred regardless of stimulus exposure time; however, when one is not poised to see specific stimuli, assimilation occurred at short exposure times and contrast occurred at long exposure times. These findings support the notion that unconscious perception is flexible and goal contingent.     

Conscious error perception: The impact of response interference from a secondary task

An erroneous response is not always accompanied by the conscious perception of the error being made. We examined whether increased response interference on a manual task improved the conscious perception of erroneous eye movements on a concurrent oculomotor task. In the first experiment, we examined whether a correlate of response interference, increased task difficulty alone, could improve perception of errors. We found no effect of task difficulty on self-monitoring. Results from a second experiment suggested that participants’ ability to monitor their eye movements improved with increased response interference, but post hoc analyses indicated that this was due to a decrease in corrective behaviors. Experiment 3 required participants to report directly on whether they had made an eye movement error, and we found that response interference perturbed, rather than improved, participants’ ability to report on their errors. Together, these findings contribute to models of error monitoring, revealing little support for the view that general increases in response interference or task difficulty are signals that contribute to the conscious detection of errors.     

The effects of stressful life events,coping, and cortisol on HIV infection

What is the role of stress and coping in changes in immunologic and clinical indicators of human immunodeficiency virus disease progression? There is substantial evidence that stressful life events and passive coping strategies, such as denial, may have a detrimental effect on HIV disease progression. Given the harmful effects of stress and passive coping, the author reviews the limited research testing the efficacy of interventions, such as cognitive-behavioral therapies for HIV-infected persons. Finally, in trying to understand psychoimmune relationships in HIV, the evidence is examined for the mediating and direct effects of cortisol, a hormone associated with stress, on HIV disease progression. Delineating the role of psychosocial factors and cortisol on HIV disease progression may aid in the development of new interventions for this devastating disease.     

Infant birth weight among women with or at high risk for HIV infection: the impact of clinical, behavioral, psychosocial, and demographic factors.

The purpose of these analyses was to provide a prospective examination of the impact of HIV on birth weight using clinical, behavioral, psychosocial, and demographic correlates. HIV-positive (n = 319) and HIV-negative (n = 220) pregnant women matched for HIV risk factors (i.e., drug use and sexual risk behaviors) were interviewed during the 3rd trimester of pregnancy and 6 weeks postpartum. Medical chart reviews were also conducted for the HIV-seropositive pregnant women to verify pregnancy-related and birth outcome data. In a logistic regression analysis, model chi2(9, N = 518) = 124.8, p < .001, controlling for parity and gestational age, women who were HIV seropositive were 2.6 times more likely to have an infant with low birth weight. In addition, Black women and those who did not live with their partners were more than 2 times as likely to have infants with low birth weight, and those who smoked were 3.2 times more likely to have infants with low birth weight. Knowing that women with HIV, those who are Black, and those not living with a partner are at highest risk for adverse birth outcomes can help those in prenatal clinics and HIV specialty clinics to target resources and develop prevention interventions. This is particularly important for women with HIV because birth weight is associated with risk of HIV transmission from mother to child.