A neurological comparative study of the harp seal (Pagophilus groenlandicus) and harbor porpoise (Phocoena phocoena) brain

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A neurological comparative study of the harp seal (Pagophilus groenlandicus) and harbor porpoise (Phocoena phocoena) brain. / Walløe, Solveig; Eriksen, Nina; Dabelsteen, Torben; Pakkenberg, Bente.

In: Anatomical record (Hoboken, N.J. : 2007), Vol. 293, No. 12, 01.12.2010, p. 2129-35.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Walløe, S, Eriksen, N, Dabelsteen, T & Pakkenberg, B 2010, 'A neurological comparative study of the harp seal (Pagophilus groenlandicus) and harbor porpoise (Phocoena phocoena) brain', Anatomical record (Hoboken, N.J. : 2007), vol. 293, no. 12, pp. 2129-35. https://doi.org/10.1002/ar.21295

APA

Walløe, S., Eriksen, N., Dabelsteen, T., & Pakkenberg, B. (2010). A neurological comparative study of the harp seal (Pagophilus groenlandicus) and harbor porpoise (Phocoena phocoena) brain. Anatomical record (Hoboken, N.J. : 2007), 293(12), 2129-35. https://doi.org/10.1002/ar.21295

Vancouver

Walløe S, Eriksen N, Dabelsteen T, Pakkenberg B. A neurological comparative study of the harp seal (Pagophilus groenlandicus) and harbor porpoise (Phocoena phocoena) brain. Anatomical record (Hoboken, N.J. : 2007). 2010 Dec 1;293(12):2129-35. https://doi.org/10.1002/ar.21295

Author

Walløe, Solveig ; Eriksen, Nina ; Dabelsteen, Torben ; Pakkenberg, Bente. / A neurological comparative study of the harp seal (Pagophilus groenlandicus) and harbor porpoise (Phocoena phocoena) brain. In: Anatomical record (Hoboken, N.J. : 2007). 2010 ; Vol. 293, No. 12. pp. 2129-35.

Bibtex

@article{edd7838463db4ff39af1410dcff0bfdd,
title = "A neurological comparative study of the harp seal (Pagophilus groenlandicus) and harbor porpoise (Phocoena phocoena) brain",
abstract = "The cetacean brain is well studied. However, few comparisons have been done with other marine mammals. In this study, we compared the harp seal (Pagophilus groenlandicus) and the harbor porpoise brain (Phocoena phocoena). Stereological methods were applied to compare three areas of interest: the entire neocortex and two subdivisions of the neocortex, the auditory and visual cortices. The total number of neurons and glial cells in the three regions was estimated. The main results showed that the harbor porpoise have an estimated 14.9 × 10(9) neocortical neurons and 34.8 × 10(9) neocortical glial cells, whereas the harp seal have 6.1 × 10(9) neocortical neurons and 17.5 × 10(9) neocortical glial cells. The harbor porpoise have significantly more neurons and glial cells in the auditory cortex than in the visual cortex, whereas the pattern was opposite for the harp seal. These results are the first to provide estimates of the number of neurons and glial cells in the neocortex of the harp seal and harbor porpoise brain and offer new data to the comparative field of mammalian brain evolution.",
keywords = "Animals, Biological Evolution, Brain Mapping, Cell Count, Neocortex, Neuroglia, Neurons, Organ Size, Phocoena, Seals, Earless",
author = "Solveig Wall{\o}e and Nina Eriksen and Torben Dabelsteen and Bente Pakkenberg",
year = "2010",
month = dec,
day = "1",
doi = "10.1002/ar.21295",
language = "English",
volume = "293",
pages = "2129--35",
journal = "Anatomical Record",
issn = "0003-276X",
publisher = "Wiley",
number = "12",

}

RIS

TY - JOUR

T1 - A neurological comparative study of the harp seal (Pagophilus groenlandicus) and harbor porpoise (Phocoena phocoena) brain

AU - Walløe, Solveig

AU - Eriksen, Nina

AU - Dabelsteen, Torben

AU - Pakkenberg, Bente

PY - 2010/12/1

Y1 - 2010/12/1

N2 - The cetacean brain is well studied. However, few comparisons have been done with other marine mammals. In this study, we compared the harp seal (Pagophilus groenlandicus) and the harbor porpoise brain (Phocoena phocoena). Stereological methods were applied to compare three areas of interest: the entire neocortex and two subdivisions of the neocortex, the auditory and visual cortices. The total number of neurons and glial cells in the three regions was estimated. The main results showed that the harbor porpoise have an estimated 14.9 × 10(9) neocortical neurons and 34.8 × 10(9) neocortical glial cells, whereas the harp seal have 6.1 × 10(9) neocortical neurons and 17.5 × 10(9) neocortical glial cells. The harbor porpoise have significantly more neurons and glial cells in the auditory cortex than in the visual cortex, whereas the pattern was opposite for the harp seal. These results are the first to provide estimates of the number of neurons and glial cells in the neocortex of the harp seal and harbor porpoise brain and offer new data to the comparative field of mammalian brain evolution.

AB - The cetacean brain is well studied. However, few comparisons have been done with other marine mammals. In this study, we compared the harp seal (Pagophilus groenlandicus) and the harbor porpoise brain (Phocoena phocoena). Stereological methods were applied to compare three areas of interest: the entire neocortex and two subdivisions of the neocortex, the auditory and visual cortices. The total number of neurons and glial cells in the three regions was estimated. The main results showed that the harbor porpoise have an estimated 14.9 × 10(9) neocortical neurons and 34.8 × 10(9) neocortical glial cells, whereas the harp seal have 6.1 × 10(9) neocortical neurons and 17.5 × 10(9) neocortical glial cells. The harbor porpoise have significantly more neurons and glial cells in the auditory cortex than in the visual cortex, whereas the pattern was opposite for the harp seal. These results are the first to provide estimates of the number of neurons and glial cells in the neocortex of the harp seal and harbor porpoise brain and offer new data to the comparative field of mammalian brain evolution.

KW - Animals

KW - Biological Evolution

KW - Brain Mapping

KW - Cell Count

KW - Neocortex

KW - Neuroglia

KW - Neurons

KW - Organ Size

KW - Phocoena

KW - Seals, Earless

U2 - 10.1002/ar.21295

DO - 10.1002/ar.21295

M3 - Journal article

C2 - 21077171

VL - 293

SP - 2129

EP - 2135

JO - Anatomical Record

JF - Anatomical Record

SN - 0003-276X

IS - 12

ER -

ID: 34371629