Behavioral and electrophysiological evidence of species-specific face processing

Several recent reports suggest that the behavioral and cortical specificity of face processing may be influenced by experience. To test this hypothesis, behavioral and electrophysiological data were recorded from adults in response to human and monkey faces differing in familiarity and orientation. An analysis of event-related potential and behavioral data revealed differentiation across species, familiarity, and orientation. Behavioral measures were correlated with amplitude and latency measures for each factor of interest. These analyses revealed that accuracy was positively related to the amplitude of the vertex positive potential in the human face task but not in the monkey face task. These findings suggest that previous experience with different categories of faces modulates the link between behavioral and electrophysiological measures of face processing.     

The kindness of strangers: organ transplantation in a capitalist age.

The topic of organ transplantation is examined from the perspective of three authors: Robert Bellah, Jeremy Rifkin, and Margaret Jane Radin. Introduced by reflections on the development of the justification of organ transplantation within the Roman Catholic community and the various themes raised by the historical study in Richard Titmuss's The Gift Relationship, the paper examines how and in what ways the possible commodification of organs will affect our society and the impacts this may have on the supply of organs.     

Selecting Unskilled and Semi‐Skilled Blue‐Collar Workers: The criterion‐related validity of the PDI‐employment inventory1

Two concurrent criterion‐related validity studies were conducted with blue‐collar workers employed in Australia. The first sample consisted of 77 unskilled and semi‐skilled manufacturing employees. The second sample consisted of 243 stockpeople who worked in piggeries. A range of work‐related criteria was used, and this range differed across the two studies. The results showed that Employment Inventory–Performance was a reasonable predictor of some aspects of supervisor ratings of work performance but unrelated to other aspects. A similar pattern of findings emerged with self‐ratings of work performance. Employment Inventory–Tenure was weakly related to turnover intentions and actual turnover.     

Increasing Middle School Students’ Life Satisfaction: Efficacy of a Positive Psychology Group Intervention

This study identified middle school students who were less than delighted with their lives (reported life satisfaction scores between 1 and 6 on a 7-point scale), and attempted to improve these students’ mental health via a 10-week group wellness-promotion intervention developed from prior applications of positive psychology research. Complete data at baseline, post-intervention, and 6-month follow-up was gathered from 55 sixth grade students who were randomly assigned to the intervention condition (n = 28) or wait-list control (n = 27). Repeated measures analyses of a propensity score matched sample of 40 participants indicated a significant group by time interaction for global life satisfaction from baseline to post-intervention. Specifically, life satisfaction of students in the intervention group increased significantly, while the control group declined during the same period (although this change was not statistically significant). The intervention group’s gains were maintained at follow-up, but were matched by similar gains for students in the control group. No effects of intervention group were identified in the indicators of affect or psychopathology. The improvements in life satisfaction evidenced by students in the intervention group during the first semester of middle school are important given the adjustment difficulties that often appear during this sensitive developmental period marked by biological and educational changes.     

Convergent Validity of the Early Memory Index in Two Primary Care Samples

Karliner, Westrich, Shedler, and Mayman (1996) developed the Early Memory Index (EMI) to assess mental health, narrative coherence, and traumatic experiences in reports of early memories. We assessed the convergent validity of EMI scales with data from 103 women from an urban primary care clinic (Study 1) and data from 48 women and 24 men from a suburban primary care clinic (Study 2). Patients provided early memory narratives and completed self-report measures of psychopathology, trauma, and health care utilization. In both studies, lower scores on the Mental Health scale and higher scores on the Traumatic Experiences scale were related to higher scores on measures of psychopathology and childhood trauma. Less consistent associations were found between the Mental Health and Traumatic Experiences scores and measures of health care utilization. The Narrative Coherence scale showed inconsistent relationships across measures in both samples. In analyses assessing the overall fit between hypothesized and actual correlations between EMI scores and measures of psychopathology, severity of trauma symptoms, and health care utilization, the Mental Health scale of the EMI demonstrated stronger convergent validity than the EMI Traumatic Experiences scale. The results provide support for the convergent validity of the Mental Health scale of the EMI.