PMID: 9555104Jun 20, 1998Paper

Modular subdivisions of dolphin insular cortex: does evolutionary history repeat itself?

Journal of Cognitive Neuroscience
P MangerL A Krubitzer

Abstract

The structural organization of the insular cortex in the bottlenose dolphin was investigated by examining Nissl- and myelin-stained tissue that was sectioned coronally and tangentially. An uneven distribution of cell clusters that coincided with myelin-light zones was observed in layer II. When the present observations were compared to descriptions of modules in other animals, we found that the range of module size is restricted, while the size of the brain, particularly the neocortex, varies dramatically. Indeed, despite the tremendous expansion of the cetacean neocortex, the size of the modules in the insular cortex is similar to that described for small-brained mammals like the mouse, suggesting that module size is evolutionarily stable across species. Selection for optimal-size processing units, in terms of the lengths of connections within and between them, is a likely source of this stability.

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Citations

Jun 1, 2010·Brain Structure & Function·Camilla Butti, Patrick R Hof
Nov 17, 2010·Brain Structure & Function·Bob JacobsPaul R Manger
Aug 28, 1998·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·L Krubitzer
Sep 12, 2008·Biological Reviews of the Cambridge Philosophical Society·Lori MarinoHal Whitehead
Aug 1, 2015·The Journal of Comparative Neurology·Robert K NaumannMichael Brecht
May 5, 2009·The Journal of Comparative Neurology·Camilla ButtiPatrick R Hof
Apr 1, 2006·Biological Reviews of the Cambridge Philosophical Society·Paul R Manger
Apr 3, 2009·Annals of the New York Academy of Sciences·Leah Krubitzer
May 4, 2011·Annals of the New York Academy of Sciences·Camilla ButtiPatrick R Hof
Dec 15, 2012·Developmental Neurobiology·Christian Alfano, Michèle Studer
Jan 30, 2014·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Camilla ButtiPatrick R Hof
May 23, 2015·NeuroImage·Mariacristina MussoMichel Rijntjes
Feb 16, 2016·The Journal of Comparative Neurology·Eva K SawyerJon H Kaas
Jan 1, 2010·Translational Neuroscience·Manuel F CasanovaAndrew E Switala
Mar 2, 2011·Brain, Behavior and Evolution·A KernH H A Oelschläger
Jul 2, 2003·Journal of Morphology·Lori MarinoJohn I Johnson
Oct 16, 2004·The Anatomical Record. Part A, Discoveries in Molecular, Cellular, and Evolutionary Biology·Lori MarinoPatrick R Hof
Apr 19, 2007·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Patrick R Hof, Estel Van der Gucht
Oct 8, 2005·The Anatomical Record. Part A, Discoveries in Molecular, Cellular, and Evolutionary Biology·Patrick R Hof, Chet C Sherwood
Oct 4, 2005·The Anatomical Record. Part A, Discoveries in Molecular, Cellular, and Evolutionary Biology·Patrick R HofLori Marino
Oct 18, 2018·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Mary Ann RaghantiPatrick R Hof
Jul 31, 2019·Scientific Reports·Christian BerglerAndreas Maier
Jun 18, 2003·The Journal of Comparative Neurology·Elizabeth DisbrowLeah Krubitzer

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