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相关概念视频

Modeling in Therapy01:26

Modeling in Therapy

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Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
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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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Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
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Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
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People can go to great lengths to protect their self-image and present themselves in ways that they want others to see them. Sociologist Erving Goffman presented the idea that a person is like an actor on a stage. Calling his theory dramaturgy, Goffman believed that we use “impression management” to present ourselves to others as we hope to be perceived. Each situation is a new scene, and individuals perform different roles depending on who is present (Goffman, 1959). Think about...
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Stereotype Content Model02:16

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The Stereotype Content Model (SCM) was first proposed by Susan Fiske and her colleagues (Fiske, Cuddy, Glick & Xu, 2002; see also Fiske, 2012 and Fiske, 2017). The SCM specifies that when someone encounters a new group, they will stereotype them based on two metrics: warmth—or that group’s perceived intent, and how likely they are to provide help or inflict harm—and competence—or their ability to carry out that objective. Depending on the warmth-competence...
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Updated: Jun 14, 2025

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模拟精神分裂症决策:计算推导的风险倾向与自我报告的风险感知之间的关联.

Emma N Herms1, Joshua W Brown1,2, Krista M Wisner1,2

  • 1Department of Psychological & Brain Sciences, Indiana University, Bloomington, IN, USA.

Schizophrenia bulletin
|September 6, 2024
PubMed
概括
此摘要是机器生成的。

精神分裂症患者表现出较低的风险奖励追求,可能是由于风险感知受损而不是认知缺陷. 这表明,未能准确评估风险会在不确定的情况下影响决策.

关键词:
感知到的风险感知到的风险.精神错乱是一种精神病.没有意识到风险的感觉.有风险的奖励有风险的奖励.不确定风险的决策.

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科学领域:

  • 神经科学是一个神经科学.
  • 认知心理学 认知心理学
  • 精神病学是一个精神病学.

背景情况:

  • 精神分裂症与在不确定的决策场景中减少对风险奖励的追求有关.
  • 包括认知因素和特征在内的潜在机制尚未得到充分理解.

研究的目的:

  • 在精神分裂症中研究降低风险奖励追求背后的机制.
  • 检查认知能力和特定特征在不确定风险决策中的作用.

主要方法:

  • 30名精神分裂症/精神分裂情绪障碍 (SZ) 患者和30名比较参与者 (CP) 完成了气球模拟风险任务 (BART).
  • 计算建模评估了风险倾向,成功的先前信念,学习速度和行为一致性.
  • 分析了智商 (IQ),风险感知,风险的预期收益,失败主义信念和快乐的基调与风险倾向的关系.

主要成果:

  • 在SZ组显示较低的风险倾向和更高的BART成功的先前信念,与CP相比,类似的学习率.
  • 在两组中,风险倾向与智商正相关.
  • 相互作用表明,较低的感知风险与SZ组和智商低于中位数的个体中较低的风险倾向有关.

结论:

  • 精神分裂症的风险承担能力下降可能源于"风险不知觉",即未能准确地感知和利用风险信息.
  • 认知因素,特别是风险的感知,对于有利于不确定性风险的决策至关重要.