ArticleCerebral cortex (New York, N.Y. : 1991)2020
Distributed Motor Control of Limb Movements in Rat Motor and Somatosensory Cortex: The Sensorimotor Amalgam Revisited.
Article in Cerebral cortex (New York, N.Y. : 1991), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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34 citing papers in PubMed.
- Hindlimb Representation in the Spiny Mouse Sensorimotor Cortex.The Journal of comparative neurology · 2026Article
- Complex Three-Dimensional Rearing Environments Amplify Compensatory Plasticity Following Early Blindness.eNeuro · 2026Article
- Distinct hindlimb motor cortex subregions encode forward and backward hindlimb movements in rats.Frontiers in systems neuroscience · 2026Article
- Forelimb Motor Learning and Memory Consolidation Drives Distinct Oligodendrocyte Plasticity to Regulate Task-related Neuronal Activity.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Interactions between motor cortical forelimb regions and their influence on muscles reorganize across behaviors.Nature communications · 2025Article
- Characterizing Evoked Movement Patterns and Connectivity in Sensorimotor Cortex After Sensory Loss in Squirrel Monkeys.The Journal of comparative neurology · 2025Article
- Movement representations in motor, somatosensory, and posterior parietal cortex of the greater galago.Cerebral cortex (New York, N.Y. : 1991) · 2025Article
- Multiple cortical systems influence a single vibrissa muscle.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Syngap1 promotes cognitive function through regulation of cortical sensorimotor dynamics.Nature communications · 2025Article
- Organization of the Perioral Representation of the Primary Somatosensory Cortex in Prairie Voles (Brain, behavior and evolution · 2025Article
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- Mapping the emotional homunculus with fMRI.iScience · 2024Article
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- Reversible deactivation of motor cortex reveals that areas in parietal cortex are differentially dependent on motor cortex for the generation of movement.Journal of neurophysiology · 2024Article
- Waxholm Space atlas of the rat brain: a 3D atlas supporting data analysis and integration.Nature methods · 2023Article
- Spatio-temporal activation patterns of neuronal population evoked by optostimulation and the comparison to electrical microstimulation.Scientific reports · 2023Article
- Behavioral decomposition reveals rich encoding structure employed across neocortex in rats.Nature communications · 2023Article
- Complex forelimb movements and cortical topography evoked by intracortical microstimulation in male and female mice.Cerebral cortex (New York, N.Y. : 1991) · 2023Article
- Distinctive Effects of D1 and D2 Receptor Agonists on Cortico-Basal Ganglia Oscillations in a Rodent Model of L-DOPA-Induced Dyskinesia.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2023Article
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5 authors.
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Abstract
Which areas of the neocortex are involved in the control of movement, and how is motor cortex organized across species? Recent studies using long-train intracortical microstimulation demonstrate that in addition to M1, movements can be elicited from somatosensory regions in multiple species. In the rat, M1 hindlimb and forelimb movement representations have long been thought to overlap with somatosensory representations of the hindlimb and forelimb in S1, forming a partial sensorimotor amalgam. Here we use long-train intracortical microstimulation to characterize the movements elicited across frontal and parietal cortex. We found that movements of the hindlimb, forelimb, and face can be elicited from both M1 and histologically defined S1 and that representations of limb movement types are different in these two areas. Stimulation of S1 generates retraction of the contralateral forelimb, while stimulation of M1 evokes forelimb elevation movements that are often bilateral, including a rostral region of digit grasping. Hindlimb movement representations include distinct regions of hip flexion and hindlimb retraction evoked from S1 and hip extension evoked from M1. Our data indicate that both S1 and M1 are involved in the generation of movement types exhibited during natural behavior. We draw on these results to reconsider how sensorimotor cortex evolved.
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