Monosynaptic trans-collicular pathways link mouse whisker circuits to integrate somatosensory and motor cortical signals [Research Data]

DOI

This dataset contains electrophysiological spike time data and figure data for anatomical quantifications reported in Martín-Cortecero et al. Monosynaptic trans-collicular pathways for sensory-motor integration in the whisker system (2023). https://doi.org/10.1371/journal.pbio.3002126.

Abstract:
The superior colliculus (SC), a conserved midbrain-node with extensive long-range connectivity throughout the brain, is a key structure for innate behaviors. Descending cortical pathways are increasingly recognized as central control points for SC-mediated behaviors, but how cortico-collicular pathways coordinate SC activity at the cellular level is poorly understood. Moreover, despite the known role of the SC as a multisensory integrator, the involvement of the SC in the somatosensory system is largely unexplored in comparison to its involvement in the visual and auditory systems. Here, we mapped the input-output properties of the whisker-sensitive region of the SC in mice with transsynaptic and intersectional tracing tools and in vivo electrophysiology. The results reveal a novel trans-collicular connectivity motif by which neurons in motor- and somatosensory cortices impinge onto the brainstem-SC-brainstem sensory-motor arc and onto SC-midbrain output pathways via only one synapse in the SC. Intersectional approaches and optogenetically assisted connectivity quantifications in vivo reveal convergence of motor and somatosensory cortical input on individual SC neurons, providing a new framework for sensory-motor integration in the SC. More than a third of the cortical recipient neurons in the whisker SC are GABAergic neurons, which accommodate hitherto unknown GABAergic projection neurons, targeting thalamic nuclei and the zona incerta. These results pinpoint a whisker region in the SC of mice as a node for the integration of somatosensory and motor cortical signals via parallel excitatory and inhibitory trans-collicular pathways which link cortical and subcortical whisker circuits for somato-motor integration.

Matlab, 2018a

NWB, 2.0

To plot the data simply open in Matlab. Help for extracting the data can be found for example here: https://de.mathworks.com/matlabcentral/answers/100687-how-do-i-extract-data-from-matlab-figures

Identifier
DOI https://doi.org/10.11588/data/DNOSZG
Related Identifier https://doi.org/10.1371/journal.pbio.3002126
Metadata Access https://heidata.uni-heidelberg.de/oai?verb=GetRecord&metadataPrefix=oai_datacite&identifier=doi:10.11588/data/DNOSZG
Provenance
Creator Martín-Cortecero, Jesús ORCID logo; Isaías-Camacho, Emilio Ulises; Boztepe, Berin; Ziegler, Katharina; Mease, Rebecca Audrey; Groh, Alexander ORCID logo
Publisher heiDATA
Contributor Groh, Alexander
Publication Year 2023
Funding Reference DFG GR3757/3-1 ; DFG GR3757/4-1
Rights CC BY 4.0; info:eu-repo/semantics/openAccess; http://creativecommons.org/licenses/by/4.0
OpenAccess true
Contact Groh, Alexander (Heidelberg University, Medical Faculty Heidelberg)
Representation
Resource Type NWB, Matlab; Dataset
Format application/zip
Size 4370093; 113414765
Version 2.2
Discipline Life Sciences; Medicine; Neurosciences