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相关概念视频

Dissociative Amnesia01:21

Dissociative Amnesia

75
Dissociative amnesia is a complex psychological condition that manifests as an inability to recall personal information, often tied to traumatic or stressful events. Unlike general amnesia, individuals with this condition retain the ability to perform routine activities and procedural tasks, such as operating a phone or navigating public transportation, yet experience profound gaps in autobiographical memory. These lapses may encompass significant life events, such as suicide attempts or...
75
Dissociative Disorders01:27

Dissociative Disorders

73
Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
73
False Memories01:18

False Memories

86
False memories represent a cognitive distortion in which individuals recall events that did not happen, or remember them in an altered form. This phenomenon highlights the brain's constructive nature in processing and recalling memories, emphasizing that memory is not a perfect representation of past events but rather a dynamic reconstruction influenced by various factors.
One primary source of false memories is misattribution, where individuals incorrectly associate external information...
86
Repressed Memory01:16

Repressed Memory

78
Repressed memories are a psychological phenomenon where memories of traumatic events are unconsciously blocked from a person's awareness. This process occurs as a defense mechanism, protecting the mind from the emotional impact of distressing or painful experiences. For example, a person who has experienced childhood trauma may grow up with no conscious recollection of the event. In such cases, the memories are thought to be buried deep within the subconscious, inaccessible to the conscious...
78
Dissociative Identity Disorder01:30

Dissociative Identity Disorder

74
Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
74
Explicit Memories01:27

Explicit Memories

135
Explicit memories, also known as declarative memories, are consciously remembered, recalled, and reported. Studying for a chemistry exam involves material that will become part of explicit memory. There are two types of explicit memory: episodic and semantic.
Episodic memory contains information about personally experienced events and is reported as a story. An example of episodic memory is recalling a birthday celebration. This type of memory includes the what, where, and when of an event, as...
135

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相关实验视频

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The Deese-Roediger-McDermott DRM Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
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分离性失忆症:掩盖的记忆

Angelica Staniloiu1,2,3, Hans J Markowitsch1

  • 1Department of Physiological Psychology, University of Bielefeld.

Topics in cognitive science
|May 10, 2024
PubMed
概括

分离性失忆症 (DA),或记忆障碍综合征,源于影响大脑生理学的心理变化. 功能成像证实了这些变化,验证了患者的病情超出了假装或直接脑损伤.

科学领域:

  • 神经科学是一个神经科学.
  • 心理学 心理学 心理学
  • 认知科学 认知科学

背景情况:

  • 压抑记忆的概念是有争议的,通常归因于编码问题或脑损伤.
  • 在临床环境中,区分真正的记忆丧失和模拟记忆丧失至关重要.

研究的目的:

  • 调查分离性失忆症 (DA) 的潜在原因.
  • 确定DA是一种真正的神经疾病,与假冒或直接脑损伤不同.
  • 探索脑膜阻塞综合征的生理基础.

主要方法:

  • 使用功能性成像技术,特别是氧化-d-葡萄糖正子发射断层扫描 (FDG-PET).
  • 研究了一组被诊断患有严重和持续的DA的患者队列.

主要成果:

  • FDG-PET扫描显示了大脑生理学的变化,与DA患者的心理变化一致.
  • 研究结果支持这样一个假设:所有记忆过程,包括记忆丧失,都涉及到大脑功能变化.
  • 有证据表明,DA并不是由假装或直接的神经损伤引起的.

结论:

  • 分离性失忆症 (mnestic block syndrome) 是一种真正的疾病,其根源在于大脑的生理变化.
关键词:
自传记忆是一种自传记忆.脑部成像 脑部成像分离 分离 分离 分离.分离性疾病 分离性疾病.脑膜阻塞综合征 脑膜阻塞综合征神经精神病学是一种神经精神病学.

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  • 功能成像为DA提供了客观证据,驳斥了模仿的说法.
  • 在DA中的心理变化在大脑功能中具有可证明的相关性.