June 22, 2024Open Access

Subthreshold intracortical microstimulation of human somatosensory cortex enhances tactile sensitivity

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Subthreshold intracortical microstimulation of somatosensory cortex enhances tactile sensitivity on the skin, demonstrating focal facilitation of sensory processing.
Vibrotactile detection thresholds dropped by a median of −1.5 dB during microstimulation, whereas suprathreshold vibration increased electrical thresholds by 2.4 dB.
Assessment using chronic microelectrode arrays indicates that cortical stimulation enhances tactile sensitivity, potentially enabling sensory restoration after neural injury.

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Implication

Experimental study demonstrates that subthreshold microstimulation improves tactile sensitivity in an implanted human, suggesting new opportunities for sensory restoration after neural injury.

Cite This Study

Osborn et al. (2024) studied this question.

synapsesocial.com/papers/68e63afdb6db6435875cd500 https://doi.org/10.1101/2024.06.21.24309202

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Implication

Experimental study demonstrates that subthreshold microstimulation improves tactile sensitivity in an implanted human, suggesting new opportunities for sensory restoration after neural injury.

Subthreshold intracortical microstimulation of human somatosensory cortex enhances tactile sensitivity

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Discussion

Implication

Cite This Study

Subthreshold intracortical microstimulation of human somatosensory cortex enhances tactile sensitivity

Key Points

Discussion

Implication

Cite This Study

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