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Journal Article

3D reconstruction and standardization of the rat facial nucleus for precise mapping of vibrissal motor networks

MPS-Authors

Guest,  Jason M.
Max Planck Florida Institute for Neuroscience, Max Planck Society;

Oberlaender,  Marcel
Max Planck Florida Institute for Neuroscience, Max Planck Society;

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Citation

Guest, J. M., Seetharama, M. M., Wendel, E. S., Strick, P. L., & Oberlaender, M. (2017). 3D reconstruction and standardization of the rat facial nucleus for precise mapping of vibrissal motor networks. Neuroscience, 171-186. Retrieved from http://www.ncbi.nlm.nih.gov/pubmed/28958919.


Cite as: https://hdl.handle.net/21.11116/0000-0003-D52A-E
Abstract
The rodent facial nucleus (FN) comprises motoneurons (MNs) that control the facial musculature. In the lateral part of the FN, populations of vibrissal motoneurons (vMNs) innervate two groups of muscles that generate movements of the whiskers. Vibrissal MNs thus represent the terminal point of the neuronal networks that generate rhythmic whisking during exploratory behaviors and that modify whisker movements based on sensory-motor feedback during tactile-based perception. Here, we combined retrograde tracer injections into whisker-specific muscles, with large-scale immunohistochemistry and digital reconstructions to generate an average model of the rat FN. The model incorporates measurements of the FN geometry, its cellular organization and a whisker row-specific map formed by vMNs. Furthermore, the model provides a digital 3D reference frame that allows registering structural data