دورية أكاديمية
Eight pairs of descending visual neurons in the dragonfly give wing motor centers accurate population vector of prey direction.
| العنوان: | Eight pairs of descending visual neurons in the dragonfly give wing motor centers accurate population vector of prey direction. |
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| المؤلفون: | Gonzalez-Bellido PT; Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA. paloma@mbl.edu, Peng H, Yang J, Georgopoulos AP, Olberg RM |
| المصدر: | Proceedings of the National Academy of Sciences of the United States of America [Proc Natl Acad Sci U S A] 2013 Jan 08; Vol. 110 (2), pp. 696-701. Date of Electronic Publication: 2012 Dec 03. |
| نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
| اللغة: | English |
| بيانات الدورية: | Publisher: National Academy of Sciences Country of Publication: United States NLM ID: 7505876 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1091-6490 (Electronic) Linking ISSN: 00278424 NLM ISO Abbreviation: Proc Natl Acad Sci U S A Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Washington, DC : National Academy of Sciences |
| مواضيع طبية MeSH: | Flight, Animal/*physiology , Motion Perception/*physiology , Odonata/*physiology , Predatory Behavior/*physiology , Retinal Neurons/*physiology, Animals ; Isoquinolines ; Microscopy, Confocal ; Models, Neurological ; Neural Conduction/physiology ; Photic Stimulation ; Reaction Time ; Retinal Neurons/cytology ; Temperature ; Visual Fields/physiology |
| مستخلص: | Intercepting a moving object requires prediction of its future location. This complex task has been solved by dragonflies, who intercept their prey in midair with a 95% success rate. In this study, we show that a group of 16 neurons, called target-selective descending neurons (TSDNs), code a population vector that reflects the direction of the target with high accuracy and reliability across 360°. The TSDN spatial (receptive field) and temporal (latency) properties matched the area of the retina where the prey is focused and the reaction time, respectively, during predatory flights. The directional tuning curves and morphological traits (3D tracings) for each TSDN type were consistent among animals, but spike rates were not. Our results emphasize that a successful neural circuit for target tracking and interception can be achieved with few neurons and that in dragonflies this information is relayed from the brain to the wing motor centers in population vector form. |
| التعليقات: | Comment in: Proc Natl Acad Sci U S A. 2013 Jan 8;110(2):389-90. (PMID: 23267113) |
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| معلومات مُعتمدة: | United States Howard Hughes Medical Institute |
| المشرفين على المادة: | 0 (Isoquinolines) 9654F8OVKE (lucifer yellow) |
| تواريخ الأحداث: | Date Created: 20121206 Date Completed: 20130307 Latest Revision: 20211021 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC3545807 |
| DOI: | 10.1073/pnas.1210489109 |
| PMID: | 23213224 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1091-6490 |
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| DOI: | 10.1073/pnas.1210489109 |