ArticleJournal of Korean medical science2014
Analysis on bilateral hindlimb mapping in motor cortex of the rat by an intracortical microstimulation method.
Article in Journal of Korean medical science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 14 citations in OpenAlex.
- Functional MRI reveals regional changes of brain activity in rats following longitudinal focal high-density theta burst stimulation (hdTBS).Imaging neuroscience (Cambridge, Mass.) · 2025Article
- Ultra-high frequency repetitive TMS at subthreshold intensity induces suprathreshold motor response via temporal summation.Journal of neural engineering · 2024Article
- High inductance magnetic-core coils have enhanced efficiency in inducing suprathreshold motor response in rats.Physics in medicine and biology · 2023Article
- Telemetry-controlled simultaneous stimulation-and-recording device (SRD) to study interhemispheric cortical circuits in rat primary somatosensory (SI) cortex.BMC biomedical engineering · 2019Article
- HCN channels segregate stimulation-evoked movement responses in neocortex and allow for coordinated forelimb movements in rodents.The Journal of physiology · 2017Article
- Hindlimb spasticity after unilateral motor cortex lesion in rats is reduced by contralateral nerve root transfer.Bioscience reports · 2016Article
- A high-density theta burst paradigm enhances the aftereffects of transcranial magnetic stimulation: Evidence from focal stimulation of rat motor cortex.Brain stimulationArticle
Corrections and comments
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Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Intracortical microstimulation (ICMS) is a technique that was developed to derive movement representation of the motor cortex. Although rats are now commonly used in motor mapping studies, the precise characteristics of rat motor map, including symmetry and consistency across animals, and the possibility of repeated stimulation have not yet been established. We performed bilateral hindlimb mapping of motor cortex in six Sprague-Dawley rats using ICMS. ICMS was applied to the left and the right cerebral hemisphere at 0.3 mm intervals vertically and horizontally from the bregma, and any movement of the hindlimbs was noted. The majority (80%± 11%) of responses were not restricted to a single joint, which occurred simultaneously at two or three hindlimb joints. The size and shape of hindlimb motor cortex was variable among rats, but existed on the convex side of the cerebral hemisphere in all rats. The results did not show symmetry according to specific joints in each rats. Conclusively, the hindlimb representation in the rat motor cortex was conveniently mapped using ICMS, but the characteristics and inter-individual variability suggest that precise individual mapping is needed to clarify motor distribution in rats.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.