Med Biol Eng Comput - Combined motor imagery and SSVEP based BCI control of a 2 DoF artificial upper limb.

Tópicos

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Resumo

A Brain-Computer Interface (BCI) is a device that transforms brain signals, which are intentionally modulated by a user, into control commands. BCIs based on motor imagery (MI) and steady-state visual evoked potentials (SSVEP) can partially restore motor control in spinal cord injured patients. To determine whether these BCIs can be combined for grasp and elbow function control independently, we investigated a control method where the beta rebound after brisk feet MI is used to control the grasp function, and a two-class SSVEP-BCI the elbow function of a 2 degrees-of-freedom artificial upper limb. Subjective preferences for the BCI control were assessed with a questionnaire. The results of the initial evaluation of the system suggests that this is feasible.

Resumo Limpo

braincomput interfac bci devic transform brain signal intent modul user control command bcis base motor imageri mi steadyst visual evok potenti ssvep can partial restor motor control spinal cord injur patient determin whether bcis can combin grasp elbow function control independ investig control method beta rebound brisk feet mi use control grasp function twoclass ssvepbci elbow function degreesoffreedom artifici upper limb subject prefer bci control assess questionnair result initi evalu system suggest feasibl

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