ArticleNeuroImage2011
Differentiation of somatosensory cortices by high-resolution fMRI at 7 T.
Article in NeuroImage, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.
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Who cites it
47 citing papers in PubMed.
- Reliability of Task-Based fMRI for Preoperative Planning: A Test-Retest Study in Brain Tumor Patients and Healthy Controls.PloS one · 2016Trial
- Practical scan-length considerations for mapping upper limb movements to the somatosensory/motor cortex at 7T: A pilot study.Neuroimage. Reports · 2025Article
- Tactile stimulation designs adapted to clinical settings result in reliable fMRI-based somatosensory digit maps.BMC neuroscience · 2024Article
- Evaluating increases in sensitivity from NORDIC for diverse fMRI acquisition strategies.NeuroImage · 2023Article
- Improved Selectivity in 7 T Digit Mapping Using VASO-CBV.Brain topography · 2023Article
- Identification of proprioceptive thalamocortical tracts in children: comparison of fMRI, MEG, and manual seeding of probabilistic tractography.Cerebral cortex (New York, N.Y. : 1991) · 2022Article
- Somatotopic Mapping of the Fingers in the Somatosensory Cortex Using Functional Magnetic Resonance Imaging: A Review of Literature.Frontiers in neuroanatomy · 2022Review
- Relation between palm and finger cortical representations in primary somatosensory cortex: A 7T fMRI study.Human brain mapping · 2021Article
- Article
- Somatotopic Arrangement of the Human Primary Somatosensory Cortex Derived From Functional Magnetic Resonance Imaging.Frontiers in neuroscience · 2020Article
- Proprioceptive errors in the localization of hand landmarks: What can be learnt about the hand metric representation?PloS one · 2020Article
- Mapping the topological organisation of beta oscillations in motor cortex using MEG.NeuroImage · 2018Article
- Neuromodulation of sensory networks in monkey brain by focused ultrasound with MRI guidance and detection.Scientific reports · 2018Article
- Review
- Cortical Representation of Pain and Touch: Evidence from Combined Functional Neuroimaging and Electrophysiology in Non-human Primates.Neuroscience bulletin · 2018Review
- Visually-Driven Maps in Area 3b.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2018Article
- Somatotopy in the Human Somatosensory System.Frontiers in human neuroscience · 2018Article
- Potentials of Ultrahigh-Field MRI for the Study of Somatosensory Reorganization in Congenital Hemiplegia.Neural plasticity · 2018Article
- Comparison of fMRI Digit Representations of the Dominant and Non-dominant Hand in the Human Primary Somatosensory Cortex.Frontiers in human neuroscience · 2018Article
- Asymmetric Functional Connectivity of the Contra- and Ipsilateral Secondary Somatosensory Cortex during Tactile Object Recognition.Frontiers in human neuroscience · 2017Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
This study aimed to evaluate the ability of BOLD signals at high MRI field (7 T) to map fine-scale single-digit activations in subdivisions (areas 3b and 1) of the human primary somatosensory cortex (SI) in individual subjects. We acquired BOLD fMRI data from cortical areas around the central suclus in six healthy human subjects while stimulating individual finger pads with 2-Hz air puffs. Discrete, single-digit responses were identified in an area along the posterior bank of the central sulcus corresponding to area 3b and in an area along the crest of the postcentral gyrus corresponding to area 1. In single subjects, activations of digits 1 to 4 in both areas 3b and 1 were organized in a somatotopic manner. The separation of digit representations was measured for adjacent digits and was approximately 1.6 times greater in area 3b than in area 1. Within individual subjects, the cortical responses to single-digit stimulations and the magnitude of the BOLD signals were reproducible across imaging runs and were comparable across subjects. Our findings demonstrate that BOLD fMRI at 7 T is capable of revealing the somatotopic organization of single-digit activations with good within-subject reliability and reproducibility, and activation maps can be acquired within a reasonably short time window, which are essential characteristics for several neurological applications within patient populations.
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Registered trials
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.