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関連する概念動画

Storage01:23

Storage

A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
Role of Neurotransmitters in Memory01:23

Role of Neurotransmitters in Memory

Neurotransmitters are integral to the brain's communication system, enabling neurons to transmit signals across synapses. This chemical exchange underpins various cognitive functions, including memory processes. The role of neurotransmitters in memory is multifaceted, influencing the encoding, consolidation, and retrieval of memories through their action on different neural circuits.
 Glutamate and Synaptic Plasticity
Glutamate, the brain's main excitatory neurotransmitter, is critical for...
Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the cerebellum's...
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...
Histone Modification02:32

Histone Modification

The histone proteins have a flexible N-terminal tail extending out from the nucleosome. These histone tails are often subjected to post-translational modifications such as acetylation, methylation, phosphorylation, and ubiquitination. Particular combinations of these modifications form “histone codes” that influence the chromatin folding and tissue-specific gene expression.
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone deacetylase,...
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...

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Updated: May 31, 2026

Aversive Associative Learning and Memory Formation by Pairing Two Chemicals in Caenorhabditis elegans
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Published on: June 23, 2022

新皮質におけるスキーマに依存した遺伝子活性化とメモリエンコーディング

Dorothy Tse1, Tomonori Takeuchi, Masaki Kakeyama

  • 1Centre for Cognitive and Neural Systems, University of Edinburgh, Edinburgh EH8 9JZ, UK.

Science (New York, N.Y.)
|July 9, 2011
PubMed
まとめ
この要約は機械生成です。

新しい学習は,既存の知識に急速に統合され,異なる高速および遅いメモリシステムに挑戦します. この研究では,ネズミの中央前頭前皮質を含む急速なシステム記憶の統合が明らかになりました.

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Mining Spatial Transcriptomics Datasets using DeepSpaceDB
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Mining Spatial Transcriptomics Datasets using DeepSpaceDB

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Last Updated: May 31, 2026

Aversive Associative Learning and Memory Formation by Pairing Two Chemicals in Caenorhabditis elegans
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科学分野:

  • 神経科学は神経科学である.
  • コグニティブ・サイエンス コグニティブ・サイエンス
  • 記憶の研究 記憶の研究

背景:

  • 新しい情報は既存の知識体系に同化され,知識基盤が拡張されます.
  • システムメモリ整合は,長期記憶形成の重要なプロセスです.
  • 以前の研究では,高速 (海馬) と遅い (皮質) 学習システムが区別されていることが示唆されていました.

研究 の 目的:

  • システムメモリ統合の速度を調査する.
  • 記憶をスキーマに同化させる神経メカニズムを探求する.
  • 独立した高速と遅いメモリシステムの伝統的な見解に異議を唱えるために.

主な方法:

  • 学習と記憶を研究するために動物モデル (ネズミ) を利用しました.
  • 新しいペア化された仲間たちの海馬に依存した学習を調査した.
  • 中間前頭前皮質のすぐ前の初期の遺伝子のアップレギュレーションを測定した.
  • 中間前頭前皮質を標的とした薬理学的介入を採用した.

主要な成果:

  • Hippocampal-dependent learningは,プレリンビック・メディアル・プレフロントアル皮質の早期の遺伝子を迅速にアップ調節する.
  • 中部前頭前皮質の薬理学的障害は,新しい学習と記憶の回復を妨げました.
  • システムメモリ統合が非常に迅速に行われる可能性があるという証拠があります.

結論:

  • システムのメモリ統合は驚くほど速く,異なる高速と遅い学習システムモデルと矛盾する可能性があります.
  • 中間前頭前皮質は,新しい情報を記憶のスキーマに迅速に吸収する上で重要な役割を果たします.
  • これらの発見は,記憶の統合とスキーマ形成のニューラル基盤に関する新しい洞察を提供します.