Endovascular treatment of carotid cavernous aneurysms leads to a significantly higher rate of pain resolution compared with untreated patients, even after adjusting for initial pain severity. Diplopia may not resolve after treatment. The results of this study underscore our approach indicating treatment only in cases of debilitating pain, visual loss from compression, or diplopia in primary gaze or in patients with risk factors for major complications such as pre-existing coagulopathy or sphenoid sinus erosion.
This study of perceived stress and communication networks fills 2 theoretical gaps in the literature: First, drawing predominantly on conservation of resource theory and faultline theory, we demonstrate the role of stress as an "engine of action" in network evolution. Second, we extend the stress literature to the interpersonal domain by arguing that others' levels of stress influence the individual's communication network, and this, in turn, changes his or her stress level. At 3 time points, we evaluated the communication ties and perceived stress in a unique field setting comprising 115 male participants (in 6 groups) performing group-based tasks. We introduce stochastic actor-based models for the coevolution of network ties and actor attributes, statistical models that enable causal inferences to be drawn regarding the interplay between dynamic networks and individual attributes. Using these models, we find that over time, individuals experiencing higher levels of perceived stress were less likely to create new communication ties and were more likely to maintain existing ties to others. Participants also tended to communicate with similarly stressed others. Such communication network dynamics further increased individuals' levels of perceived stress over time, leading to stress-related vicious cycles. We discuss organizational implications that relate to stress and network-related interventions.
Although mass effect remains after endovascular packing, oculomotor nerve dysfunction improves comparably to the recovery observed after surgical clipping. Contrary to previous reports, typical residual oculomotor nerve deficits persist. Older age and the presence of microvascular risk factors seem to be detrimental to ONP recovery.
Relations between family type and psychological and parental distress and the moderating role of social support were studied for 90 Israeli lesbian mothers, single heterosexual mothers by choice and 2-parent heterosexual mothers who completed measures of psychological distress, well-being, parental distress, and direct and indirect social support. Findings indicated differences on psychological and parental outcome between mothers from the two heterosexual groups. Social support was higher for lesbian than single heterosexual mothers and was correlated with psychological and parental indices. Unique because of the distinctive demographics of Israeli society (especially in relation to Western Europe and North America), this study highlights ways in which social and individual processes affect psychological outcomes among minority groups.
Research into leadership emergence typically focuses on the attributes of the emergent leader. By considering also the attributes of perceivers and the passage of time, we develop a more complete theory of leadership emergence in short-lived groups. Using expectation states theory as an overarching theoretical framework, and integrating it with the surface- and deep-level diversity literature and with theories of self-serving biases, we examine the predictors of leadership emergence in short timeframes. We conduct a field study in a military assessment boot camp (a pilot study, n = 60; and a main study, n = 89). We use cross-sectional and longitudinal exponential random graph models to analyze data on participants' abilities and on their perceptions of who, in their respective groups, were "leaders." We find that the criteria by which people perceive leadership in others change over time, from easily noticeable attributes to covert leadership-relevant attributes, and that people also rely on leadership-relevant attributes that they possess at high levels to inform their perceptions of leadership in others. The integration of expectation states theory, attribute salience over time and theories of self-serving bias is needed for a full understanding of leadership emergence in groups, because perceivers' own abilities are instrumental in shaping their perceptions of emergent leadership over time. Theoretical and practical implications are discussed. (PsycINFO Database Record
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