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相关概念视频

False Memories01:18

False Memories

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 with...
Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
Role of Amygdala in Memory01:16

Role of Amygdala in Memory

The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
One of the...
Traumatic Memory01:20

Traumatic Memory

Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual remembers mundane...
Higher Mental Functions of Brain: Learning and Memory01:26

Higher Mental Functions of Brain: Learning and Memory

Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or playing an...
Implicit Memories01:24

Implicit Memories

Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...

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相关实验视频

Updated: May 9, 2026

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
07:26

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory

Published on: January 31, 2017

在海马中创建一个虚假的记忆.

Steve Ramirez1, Xu Liu, Pei-Ann Lin

  • 1RIKEN-Massachusetts Institute of Technology Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Department of Biology, MIT, Cambridge, MA 02139, USA.

Science (New York, N.Y.)
|July 27, 2013
PubMed
概括
此摘要是机器生成的。

研究人员通过光遗传重新激活特定的海马神经元,在小鼠中创造了一个虚假的恐惧记忆. 这种人工诱导的记忆是特定于背景的,并驱动了一种行为恐惧反应,证明了记忆操纵能力.

更多相关视频

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
08:53

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories

Published on: November 14, 2018

Improved Preparation and Preservation of Hippocampal Mouse Slices for a Very Stable and Reproducible Recording of Long-term Potentiation
09:39

Improved Preparation and Preservation of Hippocampal Mouse Slices for a Very Stable and Reproducible Recording of Long-term Potentiation

Published on: June 26, 2013

相关实验视频

Last Updated: May 9, 2026

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
07:26

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory

Published on: January 31, 2017

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
08:53

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories

Published on: November 14, 2018

Improved Preparation and Preservation of Hippocampal Mouse Slices for a Very Stable and Reproducible Recording of Long-term Potentiation
09:39

Improved Preparation and Preservation of Hippocampal Mouse Slices for a Very Stable and Reproducible Recording of Long-term Potentiation

Published on: June 26, 2013

科学领域:

  • 神经科学是一个神经科学.
  • 记忆研究 记忆研究
  • 视觉遗传学 视觉遗传学

背景情况:

  • 记忆回忆可能不准确.
  • 海马在记忆形成和回忆中起着至关重要的作用.
  • 光遗传工具允许精确控制神经元活动.

研究的目的:

  • 为了研究人工诱导小鼠虚假恐惧记忆的可能性.
  • 为了确定光遗传学操纵记忆录能否创建一种行为表达的记忆.

主要方法:

  • 鼠标海马体 (牙状和CA1神经元) 使用通道罗多普辛-2进行标记.
  • 与特定环境相关的标记神经元在不同的环境中在恐惧调节过程中被光遗传学地重新激活.

主要成果:

  • 实验组中的小鼠在原始环境中表现出增加的结行为,在原始环境中,没有足部冲击发生.
  • 诱导的虚假记忆是特定于背景的,并激活了类似于自然恐惧记忆回忆的神经通路.
  • 人工记忆成功地引起了积极的恐惧反应.

结论:

  • 有可能的人工地产生一种内部表现和行为表达的恐惧记忆.
  • 记忆录的光遗传学操纵可以创建具有行为后果的虚假记忆.
  • 这项研究强调了记忆的可塑性和记忆改变的潜力.