PubMed · 7394280
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R A Schmidt. 1980. Past and future issues in motor programming.. https://doi.org/10.1080/02701367.1980.10609279
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OBJECTIVE: To implement and then determine the efficacy of a "hospital development" (HD) plan designed to increase organ donation rates at an urban trauma center. DESIGN/SETTING: Retrospective reviews of all deaths at an urban, level I trauma center for 1991 to 1994. SUBJECTS: Potential organ donors were identified by standardized criteria, and the reasons why potential donors did not become actual organ donors ("nonproductive donors") were categorized. Actual donors were defined as individuals in whom one transplantable organ was recovered. Results also were expressed as percentages of potential donors for each year. Changes in actual donor numbers and in nonproductive donor categories were compared for the "pre-HD" (1991-1992) and "post-HD" (1993-1994) periods. INTERVENTION: The HD plan had six components: identification of key contact individuals, development and modification of relevant hospital policies, improvement in procurement agency visibility in hospital units, education of hospital staff regarding organ donation, institution of early on-site donor evaluations, and provision of feedback to hospital staff about the disposition of potential organ donors. RESULTS: Institution of the HD plan was associated with a highly significantly increase in actual donors for the post-HD period as compared with the pre-HD period (P < .001), and pre-HD and post-HD donor rates were 26.1% and 49.5%, respectively. This increase was due primarily to a marked improvement in hospital staff identification and referral of potential donors (P < .001). CONCLUSIONS: A coordinated plan incorporating continuing staff education, organ donation policy refinement, and increased visibility and availability of organ procurement agency personnel can substantially increase organ donation at an urban trauma center.
This article examines the use of reaction time (RT) to infer the possible configurations of mental systems and presents a class of queueing network models of elementary mental processes. The models consider the temporal issue of discrete versus continuous information transmission in conjunction with the architectural issue of serial versus network arrangement of mental processes. Five elementary but important types of queueing networks are described in detail with regard to their predictions for RT behavior, and they are used to re-examine existing models for psychological processes. As continuous-transmission networks in the general form, queueing network models include the existing discrete and continuous serial models and discrete network models as special cases, cover a broader range of temporal and architectural structures that mental processes might assume, and can be subjected to empirical tests.
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