Separate sets of neurons of the central nucleus of the amygdala project to the substantia innominata and the caudal pontine reticular nucleus in the rat |
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| Authors: | Fritz R Yilmazer-Hanke D Roskoden T Schwegler H Linke R |
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| Affiliation: | 1. Department of Anatomy II, Friedrich Alexander University Erlangen-Nürnberg, Universitätsstr. 19, 91054 Erlangen, Germany;2. School of Optometry, University of Alabama, Birmingham, AL 35294-0010, USA;3. School of Optometry and Vision Science, University of New South Wales, Sydney, UNSW, NSW 2052, Australia;1. Friedrich-Alexander-Universität Erlangen-Nürnberg, Lehrstuhl für Mikrobiologie, Staudtstr. 5, 91058 Erlangen, Germany;2. Friedrich-Alexander-Universität Erlangen-Nürnberg, Lehrstuhl für Biochemie, Staudtstr. 5, 91058 Erlangen, Germany;1. InterVivo Solutions Inc., 120 Carlton Street, Toronto, ON Canada M5A 4K2;2. Dept. Pharmacology & Toxicology, U. Toronto, ON, Canada M5S 1A8;1. Burn Centre, Red Cross Hospital, Beverwijk, The Netherlands;2. Association of Dutch Burn Centres, Beverwijk, The Netherlands;3. Burn Centre, Martini Hospital, Groningen, The Netherlands;4. Burn Centre, Maasstad Hospital, Rotterdam, The Netherlands;5. Department of Methodology and Statistics, Utrecht University, Utrecht, The Netherlands;6. Department of Data Analysis, Ghent University, Ghent, Belgium;7. Department of Rehabilitation, Nursing Science and Sports, University Medical Center Utrecht, Utrecht, The Netherlands;8. Department of Plastic, Reconstructive and Hand Surgery, MOVE Research Institute, VU University Medical Center, Amsterdam, The Netherlands;9. Department of Clinical and Health Psychology, Utrecht University, Utrecht, The Netherlands |
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| Abstract: | The central nucleus of the amygdala (CeA) is generally regarded as a control nucleus of subcortical target systems. Due to its widespread projections to different brain areas it is able to modulate emotional behavior of the organism. However, it is still not clear whether single neurons of the CeA project to different areas or to one target area. Injections of the retrograde tracers Fluorogold and True Blue into target regions of the central nucleus of the amygdala, i.e., the substantia innominata (SI) and the caudal pontine reticular nucleus (PNC), revealed overlapping but otherwise distinct neuronal populations within mainly the medial division of the CeA. From our study we conclude that SI and PNC receive input from different subsets of amygdala neurons. |
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