A cortex-like canonical circuit in the avian forebrain

Author:

Stacho Martin12ORCID,Herold Christina3ORCID,Rook Noemi1,Wagner Hermann4ORCID,Axer Markus5ORCID,Amunts Katrin35ORCID,Güntürkün Onur1ORCID

Affiliation:

1. Department of Biopsychology, Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr-University Bochum, 44801 Bochum, Germany.

2. Department of Neurophysiology, Institute of Physiology, Faculty of Medicine, Ruhr-University Bochum, 44801 Bochum, Germany.

3. Cécile and Oskar Vogt Institute for Brain Research, Medical Faculty, Heinrich Heine University of Düsseldorf, 40225 Düsseldorf, Germany.

4. Institute for Biology II, RWTH Aachen University, 52074 Aachen, Germany.

5. Institute of Neuroscience and Medicine INM-1, Research Center Jülich, 52425 Jülich, Germany.

Abstract

Basic principles of bird and mammal brains Mammals can be very smart. They also have a brain with a cortex. It has thus often been assumed that the advanced cognitive skills of mammals are closely related to the evolution of the cerebral cortex. However, birds can also be very smart, and several bird species show amazing cognitive abilities. Although birds lack a cerebral cortex, they do have pallium, and this is considered to be analogous, if not homologous, to the cerebral cortex. An outstanding feature of the mammalian cortex is its layered architecture. In a detailed anatomical study of the bird pallium, Stacho et al. describe a similarly layered architecture. Despite the nuclear organization of the bird pallium, it has a cyto-architectonic organization that is reminiscent of the mammalian cortex. Science , this issue p. eabc5534

Funder

Deutsche Forschungsgemeinschaft

Horizon 2020

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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