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Stimulating localizable sensations.
Nat Biomed Eng
December 2024
Departments of Neurology, Neuroscience and Biomedical Engineering, University of Rochester, Rochester, NY, USA.
Evoking stable and precise tactile sensations via multi-electrode intracortical microstimulation of the somatosensory cortex.
Nat Biomed Eng
December 2024
Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL, USA.
Tactile feedback from brain-controlled bionic hands can be partially restored via intracortical microstimulation (ICMS) of the primary somatosensory cortex. In ICMS, the location of percepts depends on the electrode's location and the percept intensity depends on the stimulation frequency and amplitude. Sensors on a bionic hand can thus be linked to somatotopically appropriate electrodes, and the contact force of each sensor can be used to determine the amplitude of a stimulus.
View Article and Find Full Text PDFThe role of neuromodulation in the management of drug-resistant epilepsy.
Neurol Sci
September 2024
Department of Neurosurgery, Johns Hopkins University, Baltimore, MD, USA.
Article Synopsis
- Drug-resistant epilepsy (DRE) is tough to manage, but new treatments called neuromodulation can help those who don't respond to regular medicine.
- There are three main types of neuromodulation approved by the FDA: vagus nerve stimulation (VNS), deep brain stimulation (DBS), and responsive neurostimulation (RNS).
- This review talks about how these treatments work, who should use them, their benefits, and challenges, along with new technology being developed.
Distribution, course, and spatial relationships of the saphenous nerve: A 3D neuroanatomical map for nerve stimulation.
PLoS One
February 2024
Department of Surgery, University of Toronto, Toronto, Ontario, Canada.
The overall objective of this study was to construct a 3D neuroanatomical map of the saphenous nerve based on cartesian coordinate data to define its course in 3D space relative to bony and soft tissue landmarks. Ten lower limb embalmed specimens were meticulously dissected, digitized, laser scanned, and modelled in 3D. The course of the main branches, number of collateral branches, and relationship of saphenous nerve to the great saphenous vein were defined and quantified using the high-fidelity 3D models.
View Article and Find Full Text PDFTessellation of artificial touch via microstimulation of human somatosensory cortex.
bioRxiv
July 2023
Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL.
When we interact with objects, we rely on signals from the hand that convey information about the object and our interaction with it. A basic feature of these interactions, the locations of contacts between the hand and object, is often only available via the sense of touch. Information about locations of contact between a brain-controlled bionic hand and an object can be signaled via intracortical microstimulation (ICMS) of somatosensory cortex (S1), which evokes touch sensations that are localized to a specific patch of skin.
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