Deep Brain Stimulation and Brain–Spine Interface for Functional Restoration in Spinal Cord Injury
<b>Background/Objectives</b>: Spinal cord injury (SCI) presents significant challenges in restoring motor function, with limited therapeutic options available. Recent advancements in neuromodulation technologies, such as brain-spine interface (BSI), epidural electrical stimulation (EES),...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-03-01
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| Series: | Biomedicines |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2227-9059/13/3/631 |
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| Summary: | <b>Background/Objectives</b>: Spinal cord injury (SCI) presents significant challenges in restoring motor function, with limited therapeutic options available. Recent advancements in neuromodulation technologies, such as brain-spine interface (BSI), epidural electrical stimulation (EES), and deep brain stimulation (DBS), offer promising solutions. This review article explores the integration of these approaches, focusing on their potential to restore function in SCI patients. <b>Findings</b>: DBS has shown efficacy in SCI treatment with several stimulation sites identified, including the nucleus raphe magnus (NRM) and periaqueductal gray (PAG). However, transitioning from animal to human studies highlights challenges, including the technical risks of targeting the NRM in humans instead of rodent models. Additionally, several other regions have shown potential for motor rehabilitation, including the midbrain locomotor region (MLR) pathways, cuneiform nucleus (CnF), pedunculopontine nucleus (PPN), and lateral hypothalamic. DBS with EES further supports motor recovery in SCI; however, this approach requires high-DBS amplitude, serotonergic pharmacotherapy, and cortical activity decoding to attenuate stress-associated locomotion. BSI combined with EES has recently emerged as a promising novel therapy. Although human studies are limited, animal models have provided evidence supporting its potential. Despite these advancements, the effectiveness of DBS and combined systems remains limited in cases of complete central denervation. <b>Conclusions</b>: The integration and combination of DBS, BSI, and EES represent a transformational approach to treating and restoring function in patients with SCI. While further research is needed to optimize these strategies, these advancements hold immense potential for improving the quality of life in SCI patients and advancing the field of neuromodulation. |
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| ISSN: | 2227-9059 |