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相关概念视频

Gene-Environment Interactions01:20

Gene-Environment Interactions

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Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
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Background and Environment Affect Phenotype02:27

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Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
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Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

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Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
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Attribution Theory00:56

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Behavior is a product of both the situation (e.g., cultural influences, social roles, and the presence of bystanders) and of the person (e.g., personality characteristics). Subfields of psychology tend to focus on one influence or behavior over others. Situationism is the view that our behavior and actions are determined by our immediate environment and surroundings. In contrast, dispositionism holds that our behavior is determined by internal factors (Heider, 1958).
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What is Behavior?00:54

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Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other possible actions. Behaviors include activities related to the environment around the animal—such as migration—as well as social interactions within a species or population. Many behaviors involve motor output—that is, muscle movements—while others involve less visible actions, such as learning.
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One influential perspective on what motivates people's behavior is detailed in Tory Higgin's self-discrepancy theory (Higgins, 1987). He proposed that people hold disagreeing internal representations of themselves that lead to different emotional states.  
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Environmental Modulations of the Number of Midbrain Dopamine Neurons in Adult Mice
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基因与环境的相互作用在内化问题行为中的作用.

Amelie Nikstat1, Christopher R Beam2, Rainer Riemann1

  • 1Department of Psychology, Bielefeld University.

Developmental psychology
|June 22, 2023
PubMed
概括
此摘要是机器生成的。

基因与环境的相互作用会影响内化行为 (INT). 家庭环境,特别是育儿,显著缓解了遗传倾向,影响了不同年龄段的INT发展. 这突出了定制的干预策略.

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科学领域:

  • 行为遗传学行为遗传学
  • 发展心理学是发展心理学.
  • 家庭研究 家庭研究

背景情况:

  • 行为遗传方法对于理解基因环境相互作用在内化行为 (INT) 中至关重要.
  • 之前的双胞胎研究显示INT的基因环境相互作用模式不一致,因环境措施而有所不同.
  • 识别与INT遗传倾向相互作用的特定家庭环境因素至关重要.

研究的目的:

  • 研究家庭环境因素与内化问题行为 (INT) 之间的基因与环境相互作用模式.
  • 探索不同的交互模式,包括与家庭环境相关的透析-压力和优势敏感性.
  • 检查育儿和社会经济地位如何与影响INT的遗传因素相互作用.

主要方法:

  • 利用来自德国TwinLife研究的2,089对双胞胎的遗传信息双胞胎研究设计.
  • 导出了四个家庭环境维度:积极的育儿,消极的育儿,缺乏父母资源和社会经济地位.
  • 分析了基因与环境的相互作用模式,使用了优势敏感性模型框架.

主要成果:

  • 发现了一般基因与环境相互作用机制的证据,在不利的家庭条件下增加了非共享的环境变异.
  • 与社会经济地位相比,父母的行为在青春期前对INT有更强的缓和影响.
  • 基因与环境的相互作用是多种多样的,在年轻年龄段,家长对孩子的影响力更大.

结论:

  • 这一发现支持一个视角敏感性模型,其中环境条件调节了对内化行为的遗传影响.
  • 对于青春期前的孩子来说,家长的干预非常重要,而青少年的干预应该考虑社会经济地位的变化.
  • 在家庭环境中理解基因与环境的相互作用是开发有效干预措施的关键,以内化问题.