ArticleHuman brain mapping2014
Event-related fMRI at 7T reveals overlapping cortical representations for adjacent fingertips in S1 of individual subjects.
Article in Human brain mapping, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed.
- Stimulus-rate sensitivity discerns area 3b of the human primary somatosensory cortex.PloS one · 2015Trial
- Spatiotemporal encoding of touch signals in the human somatosensory and motor cortices.bioRxiv : the preprint server for biology · 2026Article
- Practical scan-length considerations for mapping upper limb movements to the somatosensory/motor cortex at 7T: A pilot study.Neuroimage. Reports · 2025Article
- Research Progress on Neural Processing of Hand and Forearm Tactile Sensation: A Review Based on fMRI Research.Neuropsychiatric disease and treatment · 2025Review
- Tactile stimulation designs adapted to clinical settings result in reliable fMRI-based somatosensory digit maps.BMC neuroscience · 2024Article
- Artificial embodiment displaces cortical neuromagnetic somatosensory responses.Scientific reports · 2024Article
- Two-Dimensional Population Receptive Field Mapping of Human Primary Somatosensory Cortex.Brain topography · 2023Article
- Similar somatotopy for active and passive digit representation in primary somatosensory cortex.Human brain mapping · 2023Article
- Cortical field maps across human sensory cortex.Frontiers in computational neuroscience · 2023Review
- Improved Selectivity in 7 T Digit Mapping Using VASO-CBV.Brain topography · 2023Article
- More comprehensive proprioceptive stimulation of the hand amplifies its cortical processing.Journal of neurophysiology · 2022Article
- Mapping the Integration of Sensory Information across Fingers in Human Sensorimotor Cortex.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
- fMRI evidence that hyper-caricatured faces activate object-selective cortex.Frontiers in psychology · 2022Article
- Tactile distance anisotropy on the feet.Attention, perception & psychophysics · 2021Article
- Relation between palm and finger cortical representations in primary somatosensory cortex: A 7T fMRI study.Human brain mapping · 2021Article
- Article
- Organized Toe Maps in Extreme Foot Users.Cell reports · 2019Article
- Addressing challenges of high spatial resolution UHF fMRI for group analysis of higher-order cognitive tasks: An inter-sensory task directing attention between visual and somatosensory domains.Human brain mapping · 2019Article
- Spatial Resolution and Imaging Encoding fMRI Settings for Optimal Cortical and Subcortical Motor Somatotopy in the Human Brain.Frontiers in neuroscience · 2019Article
- Mapping the topological organisation of beta oscillations in motor cortex using MEG.NeuroImage · 2018Article
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Authors and funding
5 authors.
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Abstract
Recent fMRI studies of the human primary somatosensory cortex have been able to differentiate the cortical representations of different fingertips at a single-subject level. These studies did not, however, investigate the expected overlap in cortical activation due to the stimulation of different fingers. Here, we used an event-related design in six subjects at 7 Tesla to explore the overlap in cortical responses elicited in S1 by vibrotactile stimulation of the five fingertips. We found that all parts of S1 show some degree of spatial overlap between the cortical representations of adjacent or even nonadjacent fingertips. In S1, the posterior bank of the central sulcus showed less overlap than regions in the post-central gyrus, which responded to up to five fingertips. The functional properties of these two areas are consistent with the known layout of cytoarchitectonically defined subareas, and we speculate that they correspond to subarea 3b (S1 proper) and subarea 1, respectively. In contrast with previous fMRI studies, however, we did not observe discrete activation clusters that could unequivocally be attributed to different subareas of S1. Venous maps based on T2*-weighted structural images suggest that the observed overlap is not driven by extra-vascular contributions from large veins.
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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.