significance

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  • 文章类型: Journal Article
    主食是人体重要的营养来源,咀嚼性是食物质地的重要方面。年龄,特定偏好,饮食功能的减弱扩大了主食的咀嚼性要求。因此,了解主食咀嚼性的形成机理并探索调节方法势在必行。本文综述了几种最常见的主食(大米,面条,土豆和面包)。它最初总结了三种不同的热处理方法下的咀嚼性形成机理:水介质,油介质,和空气介质处理。随后,提出了一些基于机理变化的控制咀嚼性的有效方法。优化原材料组成,控制加工条件,采用创新的加工技术可以利用。尽管如此,由于主食的多样性和技术研究的局限性,精确调整咀嚼性仍然是一个挑战。因此,有必要进一步深入探索不同主食的咀嚼性。
    Staple foods serve as vital nutrient sources for the human body, and chewiness is an essential aspect of food texture. Age, specific preferences, and diminished eating functions have broadened the chewiness requirements for staple foods. Therefore, comprehending the formation mechanism of chewiness in staple foods and exploring approaches to modulate it becomes imperative. This article reviewed the formation mechanisms and quality control methods for chewiness in several of the most common staple foods (rice, noodles, potatoes and bread). It initially summarized the chewiness formation mechanisms under three distinct thermal processing methods: water medium, oil medium, and air medium processing. Subsequently, proposed some effective approaches for regulating chewiness based on mechanistic changes. Optimizing raw material composition, controlling processing conditions, and adopting innovative processing techniques can be utilized. Nonetheless, the precise adjustment of staple foods\' chewiness remains a challenge due to their diversity and technical study limitations. Hence, further in-depth exploration of chewiness across different staple foods is warranted.
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  • 文章类型: Journal Article
    Event-related potential studies of emotional processing have focused on the late positive potential (LPP), a sustained positive deflection in the ERP that is increased for emotionally arousing stimuli. A prominent theory suggests that modulation of the LPP is a response to stimulus significance, defined in terms of the activation of appetitive and aversive motivational systems. The current review incorporates experimental studies showing that manipulations that alter the significance of stimuli alter LPP amplitude. Complementing these within-person studies, also included is individual differences research on depression wherein the LPP has been used to study reduced neural sensitivity to emotional stimuli. Finally, the current review builds an existing framework that the LPP observed in studies in emotional processing and the P300 observed in classic oddball studies may reflect a common response to stimulus significance. This integrative account has implications for the functional interpretation of these ERPs, their neurobiological mechanisms, and clinical applications.
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  • 文章类型: Editorial
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  • 文章类型: Journal Article
    UNASSIGNED: Abstracts are often the only read summaries of research findings, and it is essential that they accurately represent of the contents of the full text of the randomised control trial (RCT). We investigated whether outcomes in surgical trials were selectively reported in abstracts based on their statistical significance.
    UNASSIGNED: To compare the proportion of significant p-values reported in abstracts to their corresponding full texts in surgical RCTs.
    UNASSIGNED: A Meta-analysis of 350 full text RCTs conducted on humans that compared a surgical intervention to any other intervention. An electronic search of MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials (CENTRAL) was conducted. All outcomes were extracted from the abstract and the full text. Frequency histograms were used to plot the distribution of numerically reported p-values across the statistical significance spectrum. For each RCT, a 2 × 2 table was populated with that trial\'s outcomes and whether the outcome was statistically significant (p < 0.05). From each 2 × 2 table, an odds ratio (OR) was calculated describing the association between statistical significance, and reporting in the abstract. ORs were pooled in random effects meta-analysis for an overall estimate of the association.
    UNASSIGNED: A total of 8258 reported outcomes were included. Outcomes reported in a surgical RCT abstract had three times the odds of being significant when compared to the corresponding full text (OR = 3.0, 95% confidence interval 2.5-3.6, p < 0.001). This finding was consistent and not subject to heterogeneity (I2 = 0%). Both histograms demonstrated a large drop in the frequency of reported p values between 0.04 and 0.05, and after the 0.06 thresholds.
    UNASSIGNED: Data presented in abstracts is biased to statistically significant outcomes. Clinicians and policy makers should do not rely solely on information presented in abstracts for their decision-making.
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  • 文章类型: Journal Article
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  • 文章类型: Journal Article
    背景:牵张成骨(DO)已应用于颅颌面外科领域二十多年。尽管成功牵引成骨的相关因素是众所周知的,但关于该方法的适应症和局限性仍存在争议,并且仍然缺乏基于证据的数据。自2003年以来,同一手术团队在柏林CharitéUniversityätsmedizinVirchowKlinikum校园的个性化治疗方案中,将逐渐延长的原则应用于受不同类型的骨骼颅颌面缺陷影响的患者。对这些患者的记录进行了审查,以评估该技术在颅颌面科范围内的重要性。在10年中,DO已应用于80名患者,占2003年以来接受治疗的所有患者的不到1%。对协议的审查显示,一个参数差异很大的异质组,年龄从2½到51岁不等。在所有情况下都使用了内部牵引装置,并在主动牵引和巩固阶段就最佳稳定性进行了单独选择。尽管发生了与分心相关的并发症,但大多数程序最终都获得了有利的结果和骨骼稳定性。然而,尽管大多数患者成功分散注意力,但仍需要额外的重建手术。尽管DO在总体患者计数方面的重要性较低,但该方法是单个治疗概念中的强大工具,用于手术矫正以骨骼缺陷为特征的颅面异常,应视为其他手术选择的附录。如果考虑该方法的基本原理,则可以预期可预测和稳定的结果。
    BACKGROUND: Distraction osteogenesis (DO) has been applied to the field of craniomaxillofacial surgery for more than two decades. Although relevant factors for successful distraction osteogenesis are well known there are ongoing controversies about indications and limitations of the method and there is still a lack of evidence based data. Since 2003 the principle of gradual lengthening has been applied to patients affected by different types of skeletal craniomaxillofacial deficiency within individualized treatment protocols at the Campus Virchow Klinikum - Charité Universitätsmedizin Berlin - by the same surgical team. The records of these patients were reviewed in order to assess the significance of the technique within the spectrum of a craniomaxillofacial department. During 10 years DO has been applied in 80 patients representing less than 1% of all patients that have been treated since 2003. Review of the protocols showed a heterogeneous group with a wide variance of parameters, the age ranging from 2½ to 51 years. Internal distraction devices were used in all cases and individually selected with respect to optimal stability during active distraction and consolidation phase. Although distraction related complications occurred the majority of procedures ended up with the favoured result and skeletal stability. However additional reconstructive surgery was required despite successful distraction in the majority of patients. Although DO has a low significance with respect to overall patient counts the method is a powerful tool within individual therapeutic concepts for the surgical correction of craniofacial anomalies that are characterized by skeletal deficiencies and should be seen as addendum to other surgical options. Predictable and stable results can be expected if the basic principles of the method are regarded.
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