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関連する概念動画

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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関連する実験動画

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

ヒポカンプスで虚偽記憶を作り出す.

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
まとめ
この要約は機械生成です。

研究者らは,ヒポキャンパスの特定のニューロンを光遺伝的に再活性化することによって,マウスに偽りの恐怖記憶を作り出した. この人工的に誘発された記憶は文脈特異で,行動的な恐怖反応を誘発し,記憶操作能力を実証した.

さらに関連する動画

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

関連する実験動画

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

科学分野:

  • 神経科学は神経科学である.
  • 記憶の研究 記憶の研究
  • オプトジェネティクス オプトジェネティクス

背景:

  • 記憶のリコールが不正確であることもあります.
  • ヒポキャンプスは,記憶の形成と回収において重要な役割を果たします.
  • オプトジェネティックツールは,神経細胞活動の正確な制御を可能にします.

研究 の 目的:

  • ネズミに偽りの恐怖記憶を人工的に誘導する可能性を調査する.
  • メモリーエングラムの光遺伝的操作によって,行動的に表現された記憶が作れるかどうかを判断する.

主な方法:

  • ネズミのヒポカンプス (歯周回転とCA1ニューロン) は,チャネルロドプシン-2を用いて標識された.
  • 特定の文脈に関連付けられたラベルのニューロンは,異なる文脈での恐怖条件付け中に光遺伝的に再活性化されました.

主要な成果:

  • 実験群のマウスは,足のショックが発生しなかった元の文脈で,凍結行動が増加した.
  • 誘発された虚偽記憶は文脈特異的であり,自然な恐怖記憶のリコールに似た神経経路を活性化しました.
  • 人工記憶は,活発な恐怖反応を成功裏に誘発した.

結論:

  • 内部で表現され,行動的に表現された恐怖の記憶を人工的に生成することは可能である.
  • メモリーエングラムの光遺伝的操作は,行動的な結果を持つ虚偽の記憶を作成することができます.
  • この研究は,記憶の可塑性と記憶の変化の可能性を強調しています.