Situational Pressure, Attentional Demands, and Skill Failure

2011 ◽  
Author(s):  
Marci S. Decaro
1997 ◽  
Vol 50 (4) ◽  
pp. 821-840 ◽  
Author(s):  
Patrick A. Bourke

Despite its intuitive appeal, the commonly held assumption that there is some general limitation on dual-task performance has been shown to be seriously flawed (Allport 1980; Navon 1984). Central to this has been the inability to measure the attentional demands of tasks, without which there is no way to determine whether their joint demands exceed the hypothetical general limit. In the absence of such a measure, dual-task interference can always be explained by the alternative possibility that specific interference has occurred. A method is described in which the attentional demands of tasks can be measured and cross validated by the use of two scales. Two experiments are described in which a general attentional limit is found; the measurement of attentional demand is consistent across scales and can be made at a level of precision approximating that of an interval scale.


2014 ◽  
Author(s):  
Ben Rees ◽  
Allistair McRobert ◽  
Joe Causer ◽  
Mark Williams ◽  
Bryn Baxendale

2020 ◽  
Author(s):  
Esther Peiying Ho ◽  
Han-Yee Neo

Abstract At the start of the COVID-19 pandemic, mounting demand overwhelmed critical care surge capacities, triggering implementation of triage protocols to determine ventilator allocation. Relying on triage scores to ration care, while relieving clinicians from making morally distressing decisions under high situational pressure, distracts clinicians from what is essentially deeply humanistic issues entrenched in this protracted public health crisis. Such an approach will become increasingly untenable as countries flatten their epidemic curves. Decisions regarding intensive care unit admission are particularly challenging in older people, who are most likely to require critical care, but for whom benefits are most uncertain. Before applying score-based triage, physicians must first discern if older people will benefit from critical care (beneficence) and second, if he wants critical care (autonomy). When deliberating beneficence, physicians should steer away from solely using age-stratified survival probabilities from epidemiological data. Instead, decisions must be based on individualised risk-stratification that encompasses evidence-based predictors of adverse outcomes specific to older adults. Survival will also need to be weighed against burden of treatment, as well as longer term functional deficits and quality-of-life. By identifying the robust older people who may benefit from critical care, clinicians should proceed to elicit his values and preferences that would determine the treatment most aligned with his best interest. During these dialogues, physicians must truthfully convey the emergent clinical reality, discern the older person’s therapeutic goals and discuss the feasibility of achieving them. Given that COVID-19 is here to stay, these conversations aimed at achieving goal-cordant care must become a new clinical norm.


Aphasiology ◽  
2002 ◽  
Vol 16 (4-6) ◽  
pp. 559-572 ◽  
Author(s):  
Connie A. Tompkins ◽  
Margaret Lehman Blake ◽  
Annette Baumgaertner ◽  
Wiltrud Fassbinder

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