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相关概念视频

The Evidence for Evolution02:55

The Evidence for Evolution

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Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
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Schizophrenia01:17

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Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those...
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Biological Causes of Schizophrenia01:29

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Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
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The genetic basis of schizophrenia is strongly supported by family and twin...
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Psychological and Sociocultural Causes of Schizophrenia01:29

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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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Negative and Cognitive Symptoms of Schizophrenia01:30

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Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
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The Auditory Ossicles01:11

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The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
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相关实验视频

Updated: Jan 26, 2026

Measurement of Fronto-limbic Activity Using an Emotional Oddball Task in Children with Familial High Risk for Schizophrenia
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精神分裂症中的听觉处理缺陷:来自新任务的证据.

Yingding Ma1, Zetao Huang1, Jiuju Wang1

  • 1Peking University Sixth Hospital, Beijing, China.

Journal of psychiatric research
|January 24, 2026
PubMed
概括

精神分裂症患者表现出基本的听觉处理缺陷,在新的音调歧视任务上表现更差. 这突出了超越记忆的问题,表明潜在的脑干功能障碍.

关键词:
听觉脑干反应的响应.基本的审计处理.双耳集成是双耳集成的方法.球场上的歧视.精神分裂症是一种精神分裂症.

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科学领域:

  • 神经科学是一个神经科学.
  • 精神病学是一个精神病学.
  • 审计处理 审计处理

背景情况:

  • 基本听觉处理 (BAP) 缺陷是精神分裂症 (SCZ) 的特征,影响认知和心理社会功能.
  • 传统的音调区分任务经常将BAP与回声记忆障碍混为一谈.
  • 开发了一种新的同时双耳音调歧视 (SBPD) 任务,通过删除时间刺激分离来隔离BAP.

研究的目的:

  • 评估精神分裂症的基本听觉处理,使用一种新的同时双耳音调区分任务.
  • 在SCZ中区分听觉处理缺陷与回声记忆障碍.
  • 研究精神分裂症中临床变量和听觉任务执行之间的关系.

主要方法:

  • 对42名SCZ患者和42名健康对照 (HC) 进行了SBPD任务.
  • 同时的双耳纯音配对通过二声耳机呈现.
  • 测量了精度和反应时间,并分析了与临床因素的相关性.

主要成果:

  • 与对照组 (74.33%) 相比,精神分裂症患者的准确性 (57.87%) 显著下降.
  • 患者的反应时间明显长 (2111.61毫秒) 比对照组 (1906.04毫秒).
  • 效应大小表明在准确性和反应时间方面存在中等差异.

结论:

  • 新的SBPD任务证实了精神分裂症患者的基本听觉处理缺陷.
  • 研究结果表明,SCZ中潜在的双耳整合缺陷和可能的脑干功能障碍.
  • 需要进一步的研究来探索这些听觉处理障碍的神经机制和稳定性.