関連する実験動画

Updated: Oct 16, 2025

A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat
08:37

A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat

Published on: April 24, 2009

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ヒポキャンパスの多重調律,ヘッビアン・プラスティシティ,ナビゲーションをリンクする

Jason J Moore1,2, Jesse D Cushman3,4, Lavanya Acharya3,5

  • 1W.M. Keck Center for Neurophysics, University of California at Los Angeles, Los Angeles, CA, USA. jason.moore@ucla.edu.

Nature
|October 21, 2021
PubMed
まとめ

ネズミの海馬の神経は 多重選択性を示し 仮想ナビゲーションで経路距離と頭部角度をコードします この神経活動は ヘッビアン学習と関連しており 臨時記憶とナビゲーションをサポートしています

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Long-term Potentiation01:25

Long-term Potentiation

Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
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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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