Altered central pain processing in patients with degenerative lumbar diseases and its association with low physical activity levels after lumbar spinal surgeries: a retrospective cohort analysis

Chen, Kaiwen; Nie, Cong; Zhu, Yu; Lyu, Feizhou; Jiang, Jianyuan; Zheng, Chaojun

doi:10.1007/s00586-023-08112-6

Eur Spine J

2024

DOI: 10.1007/s00586-023-08112-6

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Altered central pain processing in patients with degenerative lumbar diseases and its association with low physical activity levels after lumbar spinal surgeries: a retrospective cohort analysis

Kaiwen Chen,

Cong Nie,

Yu Zhu

et al.

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Sensory-substitution based sound perception using a spinal computer–brain interface

Miklós,

Halász,

Hasslberger

et al. 2024

Sci Rep

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Sensory substitution offers a promising approach to restore lost sensory functions. Here we show that spinal cord stimulation (SCS), typically used for chronic pain management, can potentially serve as a novel auditory sensory substitution device. We recruited 13 patients undergoing SCS implantation and translated everyday sound samples into personalized SCS patterns during their trial phase. In a sound identification task—where chance-level performance was 33.3%—participants ($$n=8$$ n = 8 ) achieved a mean accuracy of 72.8% using only SCS input. We observed a weak positive correlation between stimulation bitrate and identification accuracy. A follow-up discrimination task ($$n=5$$ n = 5 ) confirmed that reduced bitrates significantly impaired participants’ ability to distinguish between consecutive SCS patterns, indicating effective processing of additional information at higher bitrates. These findings demonstrate the feasibility of using existing SCS technology to create a novel neural interface for a sound prosthesis. Our results pave the way for future research to enhance stimulation fidelity, assess long-term training effects, and explore integration with other auditory aids for comprehensive hearing rehabilitation.

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Sensory-substitution based sound perception using a spinal computer–brain interface

Miklós,

Halász,

Hasslberger

et al. 2024

Sci Rep

View full text Add to dashboard Cite

show abstract

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Altered central pain processing in patients with degenerative lumbar diseases and its association with low physical activity levels after lumbar spinal surgeries: a retrospective cohort analysis

Cited by 1 publication

References 26 publications

Sensory-substitution based sound perception using a spinal computer–brain interface

Sensory-substitution based sound perception using a spinal computer–brain interface

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