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相关概念视频

Erikson's Theory on Socioemotional Development during Childhood01:28

Erikson's Theory on Socioemotional Development during Childhood

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Erik Erikson, a stage theorist, adapted Freud's theory to emphasize social factors in personality development throughout life, a concept known as psychosocial development. Unlike Freud, who focused on early childhood, Erikson believed that personality evolves across eight life stages, each marked by a specific challenge or "crisis." Successful resolution of each stage fosters competence, while failure may lead to feelings of inadequacy.
The first four of Erikson's eight...
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Piaget's Theory of Cognitive Development from Childhood into Adulthood01:25

Piaget's Theory of Cognitive Development from Childhood into Adulthood

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Jean Piaget's theory of cognitive development emphasizes the role of thinking in a child's learning process, suggesting that children are naturally curious about their environment. His approach to development is discontinuous, proposing that cognitive abilities progress through distinct stages, each with unique characteristics. Central to Piaget's theory is schemata—mental structures that allow individuals to understand and interpret the world.
Schemata: Building Blocks of Knowledge
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Diabetes Mellitus: Type 2 and Gestational01:22

Diabetes Mellitus: Type 2 and Gestational

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Type 2 diabetes, characterized by insulin resistance, arises when the insulin receptors on cells lose responsiveness to insulin, diminishing the cell's capacity to take up glucose, resulting in elevated blood glucose levels. To receive a diagnosis of Type 2 diabetes, a series of blood glucose tests are necessary to assess whether the blood glucose falls within normal parameters. If the result is out of the normal range, a patient may be diagnosed as prediabetic or diabetic, depending on the...
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Diabetes Mellitus: Overview and Type I Subtype01:22

Diabetes Mellitus: Overview and Type I Subtype

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Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
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Titrimetric Methods: Types and Commonly Used Strategies01:08

Titrimetric Methods: Types and Commonly Used Strategies

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In chemistry, titrimetric methods are broadly classified into three types: volumetric, gravimetric, and coulometric. Volumetric titrations involve measuring the volume of a titrant of known concentration that is required to react completely with an analyte. In gravimetric titrations, the standard solution reacts with the analyte to form an insoluble precipitate, which is filtered, dried, and weighed. In coulometric titrations, current is applied to an electrochemical reaction until the reaction...
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Piaget's Stage 1 of Cognitive Development01:14

Piaget's Stage 1 of Cognitive Development

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The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
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相关实验视频

Updated: Feb 10, 2026

A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19
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A High-Throughput Multiplexed Screening for Type 1 Diabetes, Celiac Diseases, and COVID-19

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开发一个患者级多目标优化模型,用于儿童1型糖尿病查策略.

Gonçalo Leiria1, R Brett McQueen2, Conner Jackson2

  • 1Department of Computer Science, University of Exeter, Exeter, UK.

PharmacoEconomics
|February 9, 2026
PubMed
概括

这项研究开发了一种患者级模拟模型,用于1型糖尿病 (T1D) 查. 确定了最佳策略,平衡成本效益和尽量减少糖尿病酸 (DKA) 事件.

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科学领域:

  • 计算机建模和模拟.
  • 公共卫生和流行病学.
  • 内分泌学和代谢性疾病.

背景情况:

  • 1型糖尿病 (T1D) 是一种慢性自身免疫性疾病,需要终身治疗.
  • 早期发现前症状T1D可能会改善结果并减少并发症.
  • 目前针对T1D的查策略并未被普遍确立或以成本效益优化.

研究的目的:

  • 开发一个全面的T1D患者级模拟模型,包括儿童和成人.
  • 识别和评估前症状T1D的最佳查策略的成本效益.
  • 为了平衡查成本,临床益处 (获得的寿命年) 和患者负担 (例如,测试数量).

主要方法:

  • 创建了一个基于Python的患者级模拟模型来跟踪10万名参与者.
  • 采用多目标优化方法 (NSGA-II算法) 来最大限度地降低成本效益比率,糖尿病酸症 (DKA) 事件和查测试的数量.
  • 该模型结合了大规模查研究,风险函数和临床试验对过渡概率的数据.

主要成果:

  • 在美国确定了四种最佳的T1D查策略,满足了共同的成本效益值.
  • 这些策略涉及最多1,2,3或4个小岛自身抗体 (IA) 测试.
  • 该模型证明了多目标优化的实用性,用于T1D查的患者级模拟.

结论:

  • 开发的患者级模拟模型和优化管道为T1D查研究提供了宝贵的参考.
  • 确定的战略提供了基于证据的选择,用于实施具有成本效益的T1D查计划.
  • 该方法的进一步应用可以帮助完善T1D预防和管理的公共卫生策略.