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Related Concept Videos

Role of Hippocampus in Memory01:19

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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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Related Experiment Video

Updated: Feb 17, 2026

Horizontal Hippocampal Slices of the Mouse Brain
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Hippocampus discovery First steps.

Eliasz Engelhardt1

  • 1Full Professor (retired), Cognitive and Behavioral Neurology Unit - Institute of Neurology Deolindo Couto (INDC)/Center for Alzheimer Disease (CDA) - Institute of Psychiatry - Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro-RJ, Brazil.

Dementia & Neuropsychologia
|December 8, 2017
PubMed
Summary
This summary is machine-generated.

The hippocampus, a key brain structure, was first described by Arantius and later illustrated by Duvernoy. Their pioneering work revealed the gross anatomy of this vital formation.

Keywords:
ArantiusDuvernoydiscoveryhippocampushistorysilkworm

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Area of Science:

  • Neuroscience
  • History of Medicine
  • Anatomy

Background:

  • The hippocampus is a crucial brain structure involved in memory and spatial navigation.
  • Understanding its anatomical origins is essential for neuroscience research.
  • Historical accounts of its discovery are often debated.

Purpose of the Study:

  • To outline the initial discovery and key figures associated with the hippocampus.
  • To trace the etymology and acceptance of the term 'hippocampus'.
  • To review early anatomical descriptions and their significance.

Main Methods:

  • Historical literature review.
  • Analysis of early anatomical texts and illustrations.
  • Examination of scientific controversies regarding early descriptions.

Main Results:

  • Arantius is credited as the first to describe the hippocampus, naming it 'white silkworm'.
  • Duvernoy produced a significant early illustration of the hippocampus over 150 years after Arantius.
  • While earlier potential depictions exist, Arantius and Duvernoy's work is considered foundational for describing the hippocampal formation's gross anatomy.

Conclusions:

  • The term 'hippocampus' has persisted despite historical disputes.
  • Arantius and Duvernoy's contributions were pivotal in establishing the anatomical understanding of the hippocampal formation.
  • These early studies revealed a small but significant brain structure.