ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2021
The Neurophysiological Representation of Imagined Somatosensory Percepts in Human Cortex.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2021. 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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Who cites it
18 citing papers in PubMed, 32 citations in OpenAlex.
- Decoding real-world visual scenes from alpha and gamma band flicker evoked oscillations in human EEG.Scientific reports · 2026Article
- Sensorimotor event-related desynchronization and hemodynamic responses during motor and tactile imagery.Brain structure & function · 2025Article
- Novel avatar-based video-guided acupuncture imagery treatment for chronic low back pain: a randomised controlled trial in the USA.EClinicalMedicine · 2025Article
- Visual context affects the perceived timing of tactile sensations elicited through intracortical microstimulation: a case study of two participants.Journal of neurophysiology · 2025Article
- Tactile exploration and imagery elicit distinct neural dynamics in the parietal cortical network.Frontiers in neuroscience · 2025Article
- Tactile imagery affects cortical responses to vibrotactile stimulation of the fingertip.Heliyon · 2024Article
- Differential Hemodynamic Responses to Motor and Tactile Imagery: Insights from Multichannel fNIRS Mapping.Brain topography · 2024Article
- Tactile versus motor imagery: differences in corticospinal excitability assessed with single-pulse TMS.Scientific reports · 2024Article
- Mapping the emotional homunculus with fMRI.iScience · 2024Article
- Visual context affects the perceived timing of tactile sensations elicited through intra-cortical microstimulation.bioRxiv : the preprint server for biology · 2024Article
- Article
- S1 represents multisensory contexts and somatotopic locations within and outside the bounds of the cortical homunculus.Cell reports · 2023Article
- Modulating Brain Activity with Invasive Brain-Computer Interface: A Narrative Review.Brain sciences · 2023Review
- Preserved cortical somatotopic and motor representations in tetraplegic humans.Current opinion in neurobiology · 2022Review
- Decoding grasp and speech signals from the cortical grasp circuit in a tetraplegic human.Neuron · 2022Article
- The science and engineering behind sensitized brain-controlled bionic hands.Physiological reviews · 2022Review
- Beyond body maps: Information content of specific body parts is distributed across the somatosensory homunculus.Cell reports · 2022Article
- Workshops of the Eighth International Brain-Computer Interface Meeting: BCIs: The Next Frontier.Brain computer interfaces (Abingdon, England) · 2022Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
Intracortical microstimulation (ICMS) in human primary somatosensory cortex (S1) has been used to successfully evoke naturalistic sensations. However, the neurophysiological mechanisms underlying the evoked sensations remain unknown. To understand how specific stimulation parameters elicit certain sensations we must first understand the representation of those sensations in the brain. In this study we record from intracortical microelectrode arrays implanted in S1, premotor cortex, and posterior parietal cortex of a male human participant performing a somatosensory imagery task. The sensations imagined were those previously elicited by ICMS of S1, in the same array of the same participant. In both spike and local field potential recordings, features of the neural signal can be used to classify different imagined sensations. These features are shown to be stable over time. The sensorimotor cortices only encode the imagined sensation during the imagery task, while posterior parietal cortex encodes the sensations starting with cue presentation. These findings demonstrate that different aspects of the sensory experience can be individually decoded from intracortically recorded human neural signals across the cortical sensory network. Activity underlying these unique sensory representations may inform the stimulation parameters for precisely eliciting specific sensations via ICMS in future work.
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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.