ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2023
Morphology, Connectivity, and Encoding Features of Tactile and Motor Representations of the Fingers in the Human Precentral and Postcentral Gyrus.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 35 citations in OpenAlex.
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- Functional network reorganization following VIM-MRgFUS for essential tremor.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026Article
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- Abnormal regional brain activity associated with relapse in early abstinent methamphetamine-dependent individuals.Scientific reports · 2025Article
- Association between sulfur microbial diet and the risk of dementia: a large-scale prospective cohort study.Nutrition journal · 2025Article
- Investigating Resting-State Brain Activity in Adolescents with High-Functioning Autism Spectrum Disorder: Linking Fractional Amplitude of Low-Frequency Fluctuation to Clinical Symptoms.Journal of autism and developmental disorders · 2025Article
- White matter dysfunction in Alzheimer's disease is associated with disease-related transcriptomic signatures.Communications biology · 2025Article
- Alteration of brain metabolism in lacunar stroke based onFrontiers in neurology · 2025Article
- Research Progress on Neural Processing of Hand and Forearm Tactile Sensation: A Review Based on fMRI Research.Neuropsychiatric disease and treatment · 2025Review
- Cognitive impairment assessed by static and dynamic changes of spontaneous brain activity during end stage renal disease patients on early hemodialysis.Frontiers in neurology · 2025Article
- Resting-state functional connectivity changes following audio-tactile speech training.Frontiers in neuroscience · 2025Article
- A Roadmap for Implanting Electrode Arrays to Evoke Tactile Sensations Through Intracortical Stimulation.Human brain mapping · 2024Article
- Exploring potential neuroimaging biomarkers for the response to non-steroidal anti-inflammatory drugs in episodic migraine.The journal of headache and pain · 2024Article
- A roadmap for implanting microelectrode arrays to evoke tactile sensations through intracortical microstimulation.medRxiv : the preprint server for health sciences · 2024Article
- Perception-Action dissociations depend on factors that affect multisensory processing.PloS one · 2024Article
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Authors and funding
7 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Despite the tight coupling between sensory and motor processing for fine manipulation in humans, it is not yet totally clear which specific properties of the fingers are mapped in the precentral and postcentral gyrus. We used fMRI to compare the morphology, connectivity, and encoding of the motor and tactile finger representations (FRs) in the precentral and postcentral gyrus of 25 5-fingered participants (8 females). Multivoxel pattern and structural and functional connectivity analyses demonstrated the existence of distinct motor and tactile FRs within both the precentral and postcentral gyrus, integrating finger-specific motor and tactile information. Using representational similarity analysis, we found that the motor and tactile FRs in the sensorimotor cortex were described by the perceived structure of the hand better than by the actual hand anatomy or other functional models (finger kinematics, muscles synergies). We then studied a polydactyly individual (i.e., with a congenital 6-fingered hand) showing superior manipulation abilities and divergent anatomic-functional hand properties. The perceived hand model was still the best model for tactile representations in the precentral and postcentral gyrus, while finger kinematics better described motor representations in the precentral gyrus. We suggest that, under normal conditions (i.e., in subjects with a standard hand anatomy), the sensorimotor representations of the 5 fingers in humans converge toward a model of perceived hand anatomy, deviating from the real hand structure, as the best synthesis between functional and structural features of the hand.
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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.