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      Relationship between Prefrontal and Limbic Cortex: A Comparative Anatomical Review; pp. 65–80

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          Abstract

          Certain cortical areas of the frontal lobe which are included in the limbic system on functional grounds and by virtue of their hypothalamic and amygdaloid connections must also be considered part of the prefrontal cortex if the latter is defined as the projection field of the mediodorsal thalamic nucleus (MD). This ambiguity has resulted in general confusion regarding the anatomical organization of these areas. The present review attempts to clarify these issues by briefly discussing the historical development of the concepts of limbic and prefrontal cortex, then reviewing comparative data on cytoarchitectural structure and afferent connections among several orders of mammals. It is shown that in all cases the entire cerebral cortex can be divided into concentric rings of allocortex, mesocortex and isocortex. The cortical projections of MD and the amygdala overlap primary in the mesocortical regions which constitute limbic cortex, and the MD projection field extends further to include the granular isocortex of the frontal lobe. This close correspondence between cytoarchitectonic structure and afferent connections in different groups of mammals suggests that these anatomical features are fundamental aspects of cortical organization and that they be used to re-orient terminology such as limbic cortex and prefrontal cortex, as well as guide our understanding of the functional roles played by these cortical areas.

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          Author and article information

          Journal
          BBE
          Brain Behav Evol
          10.1159/issn.0006-8977
          Brain, Behavior and Evolution
          S. Karger AG
          978-3-8055-4033-9
          978-3-8055-8670-2
          0006-8977
          1421-9743
          1984
          1984
          21 February 2008
          : 25
          : 1
          : 65-80
          Affiliations
          Departments of Physiological Sciences and Neuroscience, University of Florida, Gainesville, Fla., USA
          Article
          118852 Brain Behav Evol 1984;25:65–80
          10.1159/000118852
          0f1094b7-d6c3-4299-be08-e0fc7fcb60ad
          © 1984 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          History
          Page count
          Pages: 16
          Categories
          Relationship between Prefrontal and Limbic Cortex: A Comparative Anatomical Review

          Geriatric medicine,Neurology,Cardiovascular Medicine,Neurosciences,Clinical Psychology & Psychiatry,Public health
          Prefrontal cortex,Amygdala,Mediodorsal nucleus,Review,Thalamic projections,Mammals,Limbic cortex,Dopaminergic projections,Amygdaloid projections

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