The Impact of Real and Illusory Perturbations on the Early Trajectory Adjustments of Goal-Directed Movements

Examinations of goal-directed movements reveal a process of control that operates to make adjustments on the basis of the expected visual afference associated with the limb's movement. This experiment examined the impact of perturbations to the perceived and actual velocity of aiming movements when each was presented alone or in tandem with the other. Perturbations to perceived velocity were achieved by translating the background over which aiming movements were performed. An aiming stylus that discharged air either in the direction of the movement or in the direction opposite the movement generated the actual velocity perturbations. Kinematic analyses of the aiming movements revealed that only the actual perturbation influenced the control of early movement trajectories. The results are discussed with respect to the influence that visual information has on the control exerted against physical perturbations. Speculations are raised regarding how potential for perturbations influences the strategies adopted for minimizing their impact.     

Evidence,experience, and externalism

The Sellarsian dilemma is a famous argument that attempts to show that nondoxastic experiential states cannot confer justification on basic beliefs. The usual conclusion of the Sellarsian dilemma is a coherentist epistemology, and the usual response to the dilemma is to find it quite unconvincing. By distinguishing between two importantly different justification relations (evidential and nonevidential), I hope to show that the Sellarsian dilemma, or something like it, does offer a powerful argument against standard nondoxastic foundationalist theories. But this reconceived version of the argument does not support coherentism. Instead, I use it to argue for a strongly externalist epistemology.     

The influence of environmental context in interpersonal observation–execution

Cyclical upper-limb movements involuntarily deviate from a primary movement direction when the actor concurrently observes incongruent biological motion. We examined whether environmental context influences such motor interference during interpersonal observation–execution. Participants executed continuous horizontal arm movements while observing congruent horizontal or incongruent curvilinear biological movements with or without the presence of an object positioned as an obstacle or distractor. When participants were observing a curvilinear movement, an object located within the movement space became an obstacle, and, thus, the curvilinear trajectory was essential to reach into horizontal space. When acting as a distractor, or with no object, the curvilinear trajectory was no longer essential. For observing horizontal movements, objects were located at the same relative locations as in the curvilinear movement condition. We found greater involuntary movement deviation when observing curvilinear than horizontal movements. Also, there was an influence of context only when observing horizontal movements, with greater deviation exhibited in the presence of a large obstacle. These findings suggest that the influence of environmental context is underpinned by the (mis-)matching of observed and executed actions as incongruent biological motion is primarily coded via bottom-up sensorimotor processes, whilst the congruent condition incorporates surrounding environmental features to modulate the bottom-up sensorimotor processes.     

Sex-Specific Effect of Recalled Parenting on Affective and Cognitive Empathy in Adulthood

Previous research has demonstrated the influence of parenting on the development of children’s empathy. However, few studies have considered the impact of parents on empathy in adulthood, specific components of empathy, or the importance of parent and child biological sex. In the present study, 226 participants (71 men) completed online versions of the Parental Bonding Instrument (Parker et al. British Journal of Medical Psychology, 52, 1–10 1979), Empathy Quotient (Baron-Cohen and Wheelwright Journal of Autism and Developmental Disorders, 34, 163–175 2004), and Interpersonal Reactivity Index (Davis JSAS Catalog of Selected Documents in Psychology, 10, 85 1980). Paternal care and overprotection influenced affective empathy in men, whilst maternal overprotection predicted affective empathy in women. Further, maternal care related to cognitive empathy in men, whilst none of the parental care variables related to cognitive empathy in women. Findings are discussed in relation to sex differences in childhood parenting experiences on adult cognitive and affective empathy.     

Facilitating Communication of Ideas and Evidence to Enhance Mental Health Service Quality: Coding the Treatment Services Literature Using the Child and Adolescent Needs and Strengths-Mental Health Assessment Scales

The evidence-base services literature is continually growing, providing the field with rich and important sets of information regarding what works for treating different types of youth and families. Given this burgeoning of information, the PracticeWise Evidence-Based Services (PWEBS) Literature Database has been developed to aid in summarizing and delivering aggregated evidence-based treatment information to providers in the field. Meanwhile, the Child and Adolescent Needs and Strengths-Mental Health (CANS-MH) Scale is a youth mental health assessment tool that was developed by a separate team to assist with treatment planning. In the present study, we developed and tested a system for linking these two related ontological systems so that scientific knowledge can be more widely aggregated and made available to a wider set of audiences for enhanced mental health service delivery. Results revealed the following. First, a construct mapping comparison revealed that the CANS-MH and PWEBS ontologies share a strong core of overlapping content, particularly in the areas of Youth Behavioral/Emotional Needs, Youth Risk Behaviors, and Life Domain Functioning. Second, the CANS-MH areas were able to be used to reliably code the following components of published randomized treatment studies: (a) population sample characteristics (e.g., did the characteristics of the treatment study participant population relate to each CANS-MH area?), and (b) outcome measure targets (e.g., did the treatment study outcome measure target areas relate to each CANS-MH area?). The reliability achieved from this coding process supported the linkage between the CANS-MH areas and the PWEBS Literature Database information. Lastly, high agreement was achieved between an automated translation algorithm and the final ratings from the manual coding of published treatment studies using the CANS-MH scale. The importance of such linkages for the communication of ideas, information, and evidence across differing subfields is discussed, as well as examples of achieving enhanced quality of mental health services by linking system ontologies.     

Political groups in contact: The role of attributions for outgroup attitudes in reducing antipathy

In two cross‐sectional surveys and one experiment, we tested the hypothesis that attributions for outgroup ideologies would mediate the relationship between quality of contact and reduced prejudice. In Study 1, a British sample (N = 85) rated their perceptions of, and attributions for, their political outgroup's (i.e., conservative or liberal) belief system. Supporting our hypothesis, the relationship between contact and outgroup attitudes was mediated by rationality attributions—attributions that outgroup members obtained their views via rational thought processes. Study 2 was a replication of Study 1 with an American sample (N = 229) and expanded construct measurement. The results of Study 2 replicated those of Study 1, showing support for rationality attributions as a mediator of the contact–prejudice link. In Study 3 (N = 132), we experimentally manipulated the priming of past positive or negative outgroup contact with individual outgroup members and measured the proposed mediational constructs with respect to that outgroup encounter. Results further supported the role of rationality attributions as mediators of the contact–prejudice link. The implications of these findings for perceptions and relations between antagonistic ideological groups are discussed. Copyright © 2009 John Wiley & Sons, Ltd.     

New Generation,Great Expectations: A Field Study of the Millennial Generation

Purpose  

This study investigated the career expectations and priorities of members of the “millennial” generation (born in or after 1980) and explored differences among this cohort related to demographic factors (i.e., gender, race, and year of study) and academic performance.     

Fire Setting Behavior in a Child Welfare System: Prevalence,Characteristics and Co-Occurring Needs

Fire setting is one of the most challenging behaviors for the child welfare system. However, existing knowledge about its prevalence and correlates has been limited to research on single programs. The Illinois Department of Children and Family Services initiated a uniform assessment process at entry into state custody using a trauma-informed version of the Child and Adolescent Needs and Strengths (CANS). By using information from these assessments it is possible to establish an estimate of the prevalence of fire setting behavior and identify clinical and functional correlates. A review of 4,155 children and youth entering state custody reveals an overall prevalence rate of 1.35%. However, the rate for children and youth, 10 years and older was 3.5%. The rate was higher for boys than girls but there was no relationship to race. In general, the children and youth who engaged in fire setting behaviors had much higher levels of needs, fewer strengths, and were lower functioning. Within group analysis suggests the children and youth who set fires represent a relatively homogeneous group.     

Caregiver Factors Predicting Service Utilization Among Youth Participating in a School-based Mental Health Intervention

Large numbers of children and adolescents experience diagnosable psychiatric disturbances; however, the majority of those with need do not utilize mental health services. Characteristics of caregivers are important predictors of which youth will access and continue to use services over time. In recent years school-based mental health intervention programs have played a key role in identifying youth with mental health needs and linking them to treatment. In this study we sought to identify the caregiver demographic and contextual factors that predict days of service use among youth participating in a school-based mental health intervention program. Our sample included 85 youth ages 5–18 and their caregivers. We analyzed the data using bivariate and multivariate Poisson regressions with caregiver factors as the independent variables and days of service as the dependant variable. We found significant bivariate and multivariate associations for every caregiver demographic (sex, age, race) and contextual (education, employment, income, insurance, health, strain, and was it the caregivers idea to seek treatment) factor that was examined. In this study we identified the caregiver factors that are likely important in predicting youth service utilization even when steps have been taken to improve identification and access.     

National Attachment and Patriotism in a European Nation: A British Study

This study explores identification with one's national group using two distinct but interrelated concepts: identity content and relational orientation. Theoretical distinctions were drawn between two forms of identity content: traditional-cultural and civic, and between two forms of relational orientation: blind and constructive. The multidimensionality of both identity content and relational orientation and the relationships amongst these components were examined in a British sample: positive relationships were hypothesized between blind orientation and traditional-cultural content and between constructive orientation and civic content. Principal components analyses confirmed the hypothesized factor structures, and the resulting scales were highly reliable. Relationships amongst the resulting factors were explored using regression analyses. The overall results indicate support for the orthogonality of both the two orientation dimensions and the two content dimensions. Moreover, the hypothesized relationships between forms of orientation and content were largely supported. In conclusion, this study highlights the importance of looking at the relationship between identity content and relational orientation. The implications of these observations for theory and research are discussed with reference to using categories to "group" participants in research, citizenship education, and more general attitudes towards social change.