Limitations of perceptual segmentation on contextual cueing in visual search

In visual search, detection of a target in a repeated layout is faster than search within a novel arrangement, demonstrating that contextual invariances can implicitly guide attention to the target location (“contextual cueing”; Chun & Jiang, 1998). Here, we investigated how display segmentation processes influence contextual cueing. Seven experiments showed that grouping by colour and by size can considerably reduce contextual cueing. However, selectively attending to a relevant subgroup of items (that contains the target) preserved context-based learning effects. Finally, the reduction of contextual cueing by means of grouping affected both the latent learning and the recall of display layouts. In sum, all experiments show an influence of grouping on contextual cueing. This influence is larger for variations of spatial (as compared to surface) features and is consistent with the view that learning of contextual relations critically interferes with processes that segment a display into segregated groups of items.     

At one with our actions,but at two with our bodies

Jennifer Hornsby's account of human action frees us from the temptation to think of the person who acts as ‘doing’ the events that are her actions, and thereby removes much of the allure of ‘agent causation’. But her account is spoiled by the claim that physical actions are ‘tryings’ that cause bodily movements. It would be better to think of physical actions and bodily movements as identical; but Hornsby refuses to do this, seemingly because she thinks that to do so would be to endorse the so–called ‘standard causal story’. But Hornsby misses a possibility here, for we can insist on this identity claim without endorsing the standard story if we embrace an account which parallels the disjunctive account in the philosophy of perception. This will leave us with a picture of physical action that saves the insights of Hornsby's account without succumbing to its distortions.     

Temporal Passage and Kant's Second Analogy

In this essay I address the question of the reality of temporal passage through a discussion of some of the implications of Kant's reasoning concerning the necessary conditions of objective judgement. Some theorists have claimed that the attribution of non-relational temporal properties to objects and events represents a conceptual confusion, or 'category mistake'. By means of an examination of Kant's Second Analogy, and a comparison between that argument and Cassam's recent exploration of an argument regarding the necessity of the conceptualisation of ourselves as spatially located, I draw out a consequence of Kant's argument: namely, that the representation of temporal becoming is a necessary condition of objective judgement and an a priori element in the representation of objects of experience. I finish by explaining why this would show that the attribution of temporal becoming to objects and events cannot be described as a category mistake.     

A meta‐analysis of serotonin metabolite 5‐HIAA and antisocial behavior

During the past 25 years, researchers have examined the relationship between neurochemical variables and antisocial behavior in human adults, but none has been studied more intensely than the serotonin metabolite 5‐hydroxyindoleacetic acid (5‐HIAA). The goal of the current study was to employ meta‐analytic procedures to quantitatively evaluate selected evidence on the relationship between 5‐HIAA and antisocial behavior. It was expected that antisocial groups would show reduced cerebrospinal fluid 5‐HIAA compared with non–antisocial groups. This study also aimed to assess moderators that could influence the relationship between 5‐HIAA and antisociality. An electronic search and strict inclusion criteria identified 20 reports used in this meta‐analysis. Results showed a significant overall mean effect size (ES = –.45, P < .05) in the direction of lowered 5‐HIAA in antisocial vs. non–antisocial groups. A significant moderating effect for age indicated that groups comprised of antisocial individuals younger than 30 years exhibited larger negative effect sizes (ES = –1.37, P < .05) than groups with older subjects (ES = –.31, P < .05). There were no moderating effects for gender, target of violence, history of suicide, and alcoholism. Age effects may help explain age‐related declines in crime. The fact that effects did not differ based on other moderating variables supports models of reduced serotonin in antisocial individuals, regardless of type of crime or psychiatric problems. Aggr. Behav. 28:299–316, 2002. © 2002 Wiley‐Liss, Inc.     

Do personality factors predict job satisfaction?

Two studies investigated the relationships between personality traits and aspects of job satisfaction. In Study 1, job applicants (n=250) completed the Eysenck Personality Profiler and the Work Values Questionnaire (WVQ), which requires respondents to rate various work-related facets according to the extent to which they contribute to their job satisfaction. These facets were combined into two composites (hygiene and motivator) based on previous research. The three personality superfactors accounted for a small percentage of the variance in importance ratings (about 5%). In Study 2, employees (n=82) completed a measure of the ‘Big Five’ personality traits and the Job Satisfaction Questionnaire (JSQ), which assesses both what respondents consider as important in their work environment as well as their satisfaction with their current job. Importance ratings were again combined into two composites while job satisfaction ratings were factor analyzed and three factors, differentiated along hygiene versus motivator lines, emerged. Personality traits again accounted for a small percentage of the total variance both in importance ratings and in levels of job satisfaction. It is concluded that personality does not have a strong or consistent influence either on what individuals perceive as important in their work environment or on their levels of job satisfaction.     

White Racism and Suboptimal Psychological Functioning Among White Americans: Implications for Counseling and Prejudice Prevention

This study examined the causal relationships between anxiety, racism, and self‐esteem in a sample of White graduate and undergraduate students (N = 169). The results indicated that level of anxiety had a direct effect on anti‐Black attitudes, which, in turn, had a direct effect on self‐esteem. Implications for counseling interventions aimed at preventing prejudice among Whites are discussed. Este estudio examinó las relaciones causales entre la ansiedad, el racismo, y el auto‐estima en un grupo de estudiantes graduados y estudiantes de bachillerato Blancos (N = 169). Los resultados indicaron que el nivel de ansiedad tuvo un efecto directo en las actitudes anti‐Negras, que en torno tuvo un efecto directo en el auto‐estima. Las implicaciones para las intervenciones de consejería dirigidas a prevenir el prejuicio entre los Blancos son discutidas.     

Psychosocial Characterization of Physically Abused Children from Low Socioeconomic Households in Comparison to Neglected and Nonmaltreated Children

Research reports on the long-term sequelae of physically abused children have not produced a coherent profile that can be used to identify this population as a distinct diagnostic group. To define the specific combination of symptomatology and personality characteristics of this group, 41 physically abused children, referred by the state Child Protection Officers were interviewed using the Attachment Style Classification Questionnaire, the Children's Depression Inventory, the Trait Anxiety Inventory, and the Child Suicidal Potential Scales. The results were compared with those of 38 neglected children and 35 nonabused, nonneglected children. The physically abused children showed an avoidant attachment style, specific depressive and suicidal symptomatology, high anxiety level, high aggression level, and primitive defense mechanisms. A discriminant data analysis identified 92.8% of the participants in terms of their diagnostic status. Our study suggests that an emotional and behavioural cluster of characteristics may differentiate physically abused children from neglected and nonmaltreated children. This cluster highlights the severity of induced developmental damages in the short and long-term.     

Heart Rate Changes Accompanying Jaw Movement Pavlovian Conditioning in Rabbits: Concomitant Blood Pressure Adjustments and Effects of Peripheral Autonomic Blockade

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.     

Trait emotional intelligence: behavioural validation in two studies of emotion recognition and reactivity to mood induction

This paper presents two experiments concerning trait emotional intelligence (‘trait EI’). In study 1, ten high and ten low trait EI individuals were selected from a sample of 85 persons to participate in a computerized experiment involving the recognition of morphed emotional expressions. As hypothesized, high trait EI participants were faster at identifying the expressions than their low trait EI counterparts. In study 2, trait EI scores from 102 persons were residualized on the Big Five and subsequently 15 high and 15 low trait EI individuals were selected to participate in a mood induction experiment. As hypothesized, high trait EI participants exhibited greater sensitivity to the mood induction procedure than their low trait EI counterparts. The findings are discussed in terms of the construct validity of trait EI, with particular emphasis on the issue of incremental validity vis‐à‐vis broad personality traits. Copyright © 2002 John Wiley & Sons, Ltd.     

Implications of goal theories for the theories of reasoned action and planned behaviour

This paper argues that the predictive validity of the theories of reasoned action and planned behaviour could be enhanced by considering key ideas from goal theories. In particular, goal theories highlight the importance of: (a) construing action as a process of behavioural selection designed to achieve actors’ goals, (b) assessing the extent to which people have planned how to perform action sequences implied by their goals (c) investigating goal conflict in order to understand intention-behaviour discrepancies (d) examining contextual variations in goal salience to account for the dynamics of choice, (e) using intention stability to index the prioritization of goals, and (f) analyzing the content of the goals underlying attitudes and intentions. Suggestions are made about self-report measures and computations that would permit greater use of these ideas in future research.