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1,155 results for “Nervous System”
Fig. 5 in The structure of the muscular and nervous systems of the orthonectid Rhopalura litoralis (Orthonectida) or what parasitism can do to an annelid
Fig. 5 Male of Rhopalura litoralis, CLSM. a Confocal z-projection of the musculature, dorsal view. b An optical section of the same stack through the middle of the body, showing the relationships of longitudinal (lm) and circular (cm) muscles. c Confocal z-projection of the musculature, lateral view. d Serotonin-like immunoreactive elements (green) of the cerebral ganglion (gc) and the overall spatial relationships of the nervous system and musculature (red). Lateral view. e Serotonin-like immunoreactivity of the nervous system, partial z-projection. The paired cells along the nerve cords are clearly seen
Fig. 2 in The structure of the muscular and nervous systems of the orthonectid Rhopalura litoralis (Orthonectida) or what parasitism can do to an annelid
Fig. 2 Muscle system of female Rhopalura litoralis. TRITC-phalloidin staining, CLSM. a Composite image, dorsal view. b Lateral view, the ganglion region is outlined. c Longitudinal median section. d
Fig. 1 in The structure of the muscular and nervous systems of the orthonectid Rhopalura litoralis (Orthonectida) or what parasitism can do to an annelid
Fig. 1 Female and male of Rhopalura litoralis. Live animals, DIC. a Female, slightly pressed. b Male. cc, ciliated cells, gc, ganglion cells, o, oocyte. Scale bar 50 μm
Fig. 4 in The structure of the muscular and nervous systems of the orthonectid Rhopalura litoralis (Orthonectida) or what parasitism can do to an annelid
Fig. 4 Nerve plexus in the body of a female Rhopalura litoralis. a Serotonin-like immunoreactivity (green), a stack of several sections. b The optical section of the same stack, passing through the dorsal body surface. The cell nuclei are counterstained with DAPI (cyan). Arrows point to the perikarya of the plexus neurons. Scale bar 50 μm
Multi-UAV Uniform Sweep Coverage in Unknown Environments: A Mergeable Nervous System (MNS)-Based Random Exploration
<p><strong>Abstract:</strong><br>This paper investigates the problem of multi-UAV uniform sweep coverage, where a homogeneous swarm of UAVs must collectively and evenly visit every portion of an unknown environment for a sampling task without having access to their own location and orientation. Random walk-based exploration strategies are practical for such a coverage scenario as they do not rely on localization and are easily implementable in robot swarms. We demonstrate that the Mergeable Nervous System (MNS) framework, which enables a robot swarm to self-organize into a hierarchical ad-hoc communication network using local communication, is a promising control approach for random exploration in unknown environments by UAV swarms. To this end, we propose an MNS-based random walk approach where UAVs self-organize into a line formation using the MNS framework and then follow a random walk strategy to cover the environment while maintaining the formation. Through simulations, we test the efficiency of our approach against several decentralized random walk-based strategies as benchmarks. Our results show that the MNS-based random walk outperforms the benchmarks in terms of the time required to achieve full coverage and the coverage uniformity at that time, assessed across both the entire environment and within local regions.</p>
Data from: The function of the ophiuroid nerve ring: how a decentralized nervous system controls coordinated locomotion
Echinoderms lack a centralized nervous control system yet each extant echinoderm class has evolved unique and effective strategies for locomotion. Brittle stars (Ophiuroidea) stride swiftly over the seafloor by coordinating motions of their five muscular arms. Their arms consist of many repeating segments, requiring them to use a complex control system to coordinate motions among segments and between arms. We conducted in vivo experiments with brittle stars to analyze the functional role of the nerve ring, which connects the nerves in each arm. These experiments were designed to determine how the ophiuroid nervous system performs complex decision-making and locomotory actions under decentralized control. Our results show that brittle star arms must be connected by the nerve ring for coordinated locomotion, but information can travel bidirectionally around the nerve ring so that it circumvents the severance. Evidence presented indicates that ophiuroids rely on adjacent nerve ring connections for sustained periodic movements. The number of arms connected via the nerve ring is correlated positively with the likelihood that the animal will show coordinated locomotion, indicating that integrated nerve ring tissue is critical for control. The results of the experiments should provide a basis for the advancement of complex artificial decentralized systems.
Cambrian comb jellies from Utah illuminate the early evolution of nervous and sensory systems in ctenophores - Phylogenetic dataset
<p>Ctenophores are a group of predatory macroinvertebrates whose controversial phylogenetic position has prompted several competing hypotheses regarding the evolution of animal organ systems. Although ctenophores date back at least to the Cambrian, they have a poor fossil record due to their gelatinous bodies. Here, we describe two ctenophore species from the Cambrian of Utah, which illuminate the early evolution of nervous and sensory features in the phylum. Thalassostaphylos elegans has 16 comb rows, an oral skirt, and an apical organ with polar fields. Ctenorhabdotus campanelliformis has 24 comb rows, an oral skirt, an apical organ enclosed by a capsule and neurological tissues preserved as carbonaceous films. These are concentrated around the apical organ and ciliated furrows, which connect to a circumoral nerve ring via longitudinal axons. C. campanelliformis deviates from the neuroanatomy of living ctenophores, and demonstrates a substantial complexity in the nervous system of Cambrian ctenophores.</p>
Spatial Atlas of the Mouse Central Nervous System at Molecular Resolution
<p>Spatially charting molecular cell types at single-cell resolution across the three-dimensional (3D) volume of the brain is critical for illustrating the molecular basis of the brain anatomy and functions. Single-cell RNA sequencing (scRNA-seq) has profiled molecular cell types in the mouse brain, but cannot capture their spatial organization. Here, we employed an in situ sequencing technique, STARmap PLUS, to map 1.09 million high-quality cells across the whole adult mouse brain and the spinal cord, profiling 1,022 genes at subcellular resolution with a voxel size of 194 X 194 X 345 nm3 in 3D. We developed computational pipelines to segment, cluster, and annotate 230 molecular cell types by single-cell gene expression and 106 molecular tissue regions by spatial niche gene expression. Joint analyses of molecular cell types and molecular tissue regions enabled a systematic molecular spatial cell type nomenclature and allowed the identification of tissue architectures previously undefined in established brain anatomy. To create a transcriptome-wide spatial atlas, we further integrated the STARmap PLUS measurements with a published scRNA-seq atlas, imputing 11,844 genes at the single-cell level. Finally, we delineated the tropisms of a brain-wide transgene delivery tool, AAV-PHP.eB5,6, across the molecular cell types and tissue regions of the whole mouse brain. Together, this annotated dataset provides a comprehensive, high-resolution, single-cell resource that integrates a spatial molecular atlas, cell taxonomy, brain anatomy, and genetic manipulation accessibility of the mammalian central nervous system (CNS).</p>
Organisation of the nervous system in cysts of Thulinius ruffoi
<p>The data collected show the elements of the nervous system in cysts of Thu. ruffoi at specific and unspecified stages of encystment. Text files contain additional technical information.</p>
Effect of PADMA 28 on Endothelial Function, Autonomic Nervous System and Biomarkers in Patients With Coronary Artery Disease
ClinicalTrials.gov study NCT01581034. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Phase II Trial of Sequential Chemotherapy and Radiotherapy for AIDS-Related Primary Central Nervous System Lymphoma
ClinicalTrials.gov study NCT00000801. IPD Sharing: Not stated. Countries: 1. Publications: 1.
High-dose Chemotherapy and Stem Cell Transplantation for Central Nervous System (CNS) Relapse of Aggressive Lymphomas
ClinicalTrials.gov study NCT01148173. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Characterization of Human Autoantibody Titers After Central Nervous System Insult
ClinicalTrials.gov study NCT03089749. IPD Sharing: UNDECIDED. Countries: 1. Publications: 6.
Adjunctive Doxycycline for Central Nervous System Tuberculosis
ClinicalTrials.gov study NCT06446245. IPD Sharing: UNDECIDED. Countries: 3. Publications: 3.
A Study of Soticlestat in Healthy Adult Nondependent Recreational Drug Users With Central Nervous System (CNS) Depressant Experience
ClinicalTrials.gov study NCT05602818. IPD Sharing: YES. Countries: 1. Publications: 0.
The Norwegian Study of Nervous System Manifestations and Sequelae After COVID-19
ClinicalTrials.gov study NCT04576351. IPD Sharing: NO. Countries: 1. Publications: 1.
Vagus Nerve Stimulation for Autonomic Nervous System Activity
ClinicalTrials.gov study NCT05906940. IPD Sharing: NO. Countries: 1. Publications: 3.
Pranayama Practice on the Autonomic Nervous System
ClinicalTrials.gov study NCT03280589. IPD Sharing: NO. Countries: 1. Publications: 1.
Nivolumab and Ibrutinib in Treating Patients With Relapsed or Refractory Central Nervous System Lymphoma
ClinicalTrials.gov study NCT03770416. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Ibrutinib With Rituximab and Lenalidomide for Patients With Recurrent/Refractory Primary or Secondary Central Nervous System Lymphoma (PCNSL/SCNSL)
ClinicalTrials.gov study NCT03703167. IPD Sharing: Not stated. Countries: 1. Publications: 1.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.