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Updated: Jun 1, 2026

Double-barreled and Concentric Microelectrodes for Measurement of Extracellular Ion Signals in Brain Tissue

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Published on: September 5, 2015

The C. U. Ariëns Kappers brain collection.

Michel A Hofman¹, John I Johnson

¹Netherlands Institute for Neuroscience, Amsterdam, The Netherlands.

Annals of the New York Academy of Sciences

|May 24, 2011

Summary

The C. U. Ariëns Kappers brain collection, a century-old repository, preserves 726 specimens crucial for understanding brain evolution and neural biodiversity across diverse species.

Area of Science:

Neuroscience
Evolutionary Biology
Comparative Anatomy

Background:

The C. U. Ariëns Kappers brain collection is one of the world's largest and oldest catalogued repositories of brain specimens.
Established a century ago at the Netherlands Institute for Neuroscience, it has been foundational for major scientific texts and ongoing research.

Purpose of the Study:

To document the history and contents of the C. U. Ariëns Kappers brain collection.
To highlight its significance in studying brain evolution and neural biodiversity.

Main Methods:

The study presents an account of the collection's establishment and historical context.
It details the composition of the collection, categorizing the 726 specimens by taxonomic group.

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Main Results:

The collection comprises 726 specimens, including 309 mammals, 134 birds, 81 reptiles, 21 amphibians, and 179 "pisces" (bony fish, sharks, cyclostomes).
This diverse assemblage represents a significant resource for research into comparative neuroanatomy and evolutionary trends.

Conclusions:

The C. U. Ariëns Kappers brain collection is an invaluable historical and scientific resource.
Its extensive and diverse specimens continue to support research into the evolution of the nervous system and neural biodiversity.