Brain-Computer Interfaces for Motor Rehabilitation

Rupp, Rüdiger

doi:10.1007/978-3-319-14418-4_67

Cited by 1 publication

(2 citation statements)

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“…4 Brain-machine interfaces (BMIs) have been proposed to bypass the injury and restore the lost upper-limb function, for instance by using neuroprostheses or robots. 5-9 Furthermore, there is recent evidence showing that BMI-based rehabilitation therapies can promote lower-limb recovery in paraplegic patients, 10 although its feasibility for upper-limb recovery is yet to be demonstrated. These techniques require the activation of the motor cortex to measure and decode the brain activity related to the intended task (eg, the attempt of grasping).…”

Section: Introductionmentioning

confidence: 99%

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Reactivating the Dormant Motor Cortex After Spinal Cord Injury With EEG Neurofeedback: A Case Study With a Chronic, Complete C4 Patient

et al. 2018

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Chronic spinal cord injury (SCI) patients present poor motor cortex activation during movement attempts. The reactivation of this brain region can be beneficial for them, for instance, allowing them to use brain-machine interfaces for motor rehabilitation or restoration. These brain-machine interfacess generally use electroencephalography (EEG) to measure the cortical activation during the attempts of movement, quantifying it as the event-related desynchronization (ERD) of the alpha/mu rhythm. Based on previous evidence showing that higher tonic EEG alpha power is associated with higher ERD, we hypothesized that artificially increasing the alpha power over the motor cortex of these patients could enhance their ERD (ie, motor cortical activation) during movement attempts. We used EEG neurofeedback (NF) to enhance the tonic EEG alpha power, providing real-time visual feedback of the alpha oscillations measured over the motor cortex. This approach was evaluated in a C4, ASIA A, SCI patient (9 months after the injury) who did not present ERD during the movement attempts of his paralyzed hands. The patient performed 4 NF sessions (in 4 consecutive days) and screenings of his EEG activity before and after each session. After the intervention, the patient presented a significant increase in the alpha power over the motor cortex, and a significant enhancement of the mu ERD in the contralateral motor cortex when he attempted to close the assessed right hand. As a proof of concept investigation, this article shows how a short NF intervention might be used to enhance the motor cortical activation in patients with chronic tetraplegia.

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Section: Introductionmentioning

confidence: 99%

“…These techniques require the activation of the motor cortex to measure and decode the brain activity related to the intended task (eg, the attempt of grasping). 8,9,11…”

Section: Introductionmentioning

confidence: 99%