Excitation Transfer Effects Between Semantically Related and Temporally Adjacent Stimuli

Although excitation transfer theory has been supported in numerous contexts, questions remain regarding transfer of arousal between events that are semantically and temporally related. This article summarizes two studies exploring excitation transfer between such events: sequential plays from a college football game. Study 1 failed to support the theory, instead suggesting contrast effects between stimuli. A follow-up study, which altered the method and incorporated psychophysiological measures, demonstrated that arousal may transfer between semantically related, temporally adjacent events. We suggest implications for the theory vis-à-vis misattribution of arousal, as well as opportunities to expand the application of excitation transfer.     

Daily suppression of discrete emotions during the work of police service workers and criminal investigation officers

Abstract

This study provided an initial test of a theoretical model which emphasizes patterns of actual and perceived control. The model suggests that profiles of actual and perceived control are differentially related to emotional and behavioral problems. We examined whether anxiety and depression symptoms and aggressive behavior would differ among diverse patterns of actual (caregiver reported competencies) and perceived control (anxiety-related control beliefs) in youth (n=203). Results were consistent with the theoretical predictions in that reported levels of anxiety and depression symptoms and aggressive behavior varied depending upon youth's control profiles. For example, youth with high actual and low perceived control exhibited relatively more anxiety/depression symptoms than aggressive behavior, while those youth with low actual and high perceived control exhibited relatively more aggressive behavior. Furthermore, youth with both high actual and perceived control reported and were reported by caregivers as having the least anxiety/depression symptoms and aggressive behavior, respectively. The findings provide empirical support for the model and suggest the importance of considering the role of actual and perceived control in emotional and behavioral problems. Implications for future tests of the model are also discussed.     

The relationship between ethnicity,Christian orthodoxy,and mental health

Although researchers have noted differences in the role of religiosity in the lives of people from different ethnic backgrounds, the components of religion's influence (i.e., membership and orthodoxy) on mental health have not been previously examined. In the current study, Christian participants’ Christian Orthodox Scale (COS) scores were used to predict scores on mental health. As hypothesized, African Americans with higher COS scores exhibited fewer mental-health problems than did all ethnicities studied with lower COS scores. Implications and future directions for understanding the cultural influence of religion on African Americans are discussed.     

The Relation of Lifetime Cognitive Activity and Lifetime Access to Resources to Late-life Cognitive Function in Older African Americans

ABSTRACT

Research in older Caucasians has demonstrated that cognitive activity is related to cognitive function in late adulthood. Knowledge of this association is limited in older minority populations. We examined the relation of cognitive activity and access to cognitive resources, with cognitive function in a group of 108 older African Americans. We constructed two scales to measure the frequency of cognitive activity and the presence of resources that promote cognitive activity during early and late life. Both measures had high internal consistency and the cognitive activity scale had adequate temporal stability over a 4-week interval. In analyses that controlled for age and education, more frequent lifetime cognitive activity was related to current cognitive function, but lifetime cognitive resources only approached significance. The results suggest that both measures are psychometrically sound in a minority population and that lifetime cognitive activity may contribute to current cognitive function in African Americans.     

Anticipating the Societal Challenges of Nanotechnologies

“In this article we sketch out the landscape for this Special Issue on anticipating and embedding the societal challenge of nanotechnologies. Tools that actors may choose to employ for these processes are articulated, and further explored through the introduction of the seven articles which comprise this Issue. Taken together, these articles create a cogent narrative on the societal challenges posed by nanotechnologies. They are drawn together by three distinct themes, each of which is briefly considered within this context of this Introductory article”.     

Information underpinning anticipation of goal-directed throwing

We identified the information used to anticipate throw direction in handball. In two experiments, we examined how anticipation performance is affected when the information from one of five body areas (right arm, shoulders, hips, trunk, or total throw side) was either neutralized or decoupled from the motion of other body segments. In the first experiment, performance was significantly reduced when information from the throwing arm was neutralized, irrespective of skill levels. Skilled participants were negatively affected when the shoulders, hips, and trunk were neutralized, whereas less-skilled participants showed trends toward improvement under identical conditions. In the second experiment, partially disrupting relative motion via decoupling was not enough to reduce the anticipation performance among skilled participants to chance levels, whereas less-skilled participants lost their ability to anticipate in three conditions. Our findings suggest that skilled and less-skilled participants employ different information extraction strategies, yet information from the throwing arm is critical to anticipation for both groups. The two experiments suggest that relative motion mediated by both the absolute displacement trajectories of individual marker locations and their relative timings are important in informing anticipation, irrespective of skill level.     

Explanatory Style and Health: Mechanisms Linking Pessimism to Illness1

This study tests the relationship between pessimistic explanatory style and illness with questionnaire data. Questionnaires were administered to 234 college students at a mid‐sized Western university. Four variables were tested as potential mediators of the pessimistic explanatory style/illness relationship: symptoms of depression, perceived stress, social support, and poor health practices. Results indicated that only the global dimension of pessimistic explanatory style was related to experiences of illness, and hence was the only dimension that could be mediated by the proposed variables. Results demonstrated that symptoms of depression mediated the relationship between global attributions for negative events and illness. Exploratory analyses also suggest that stress is implicated in this process such that it increases symptoms of depression, which in turn influence illness.