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Review
. 2025 Mar 24;12(1):14.
doi: 10.1186/s40779-025-00598-z.

Recent applications of EEG-based brain-computer-interface in the medical field

Affiliations
Review

Recent applications of EEG-based brain-computer-interface in the medical field

Xiu-Yun Liu et al. Mil Med Res. .

Abstract

Brain-computer interfaces (BCIs) represent an emerging technology that facilitates direct communication between the brain and external devices. In recent years, numerous review articles have explored various aspects of BCIs, including their fundamental principles, technical advancements, and applications in specific domains. However, these reviews often focus on signal processing, hardware development, or limited applications such as motor rehabilitation or communication. This paper aims to offer a comprehensive review of recent electroencephalogram (EEG)-based BCI applications in the medical field across 8 critical areas, encompassing rehabilitation, daily communication, epilepsy, cerebral resuscitation, sleep, neurodegenerative diseases, anesthesiology, and emotion recognition. Moreover, the current challenges and future trends of BCIs were also discussed, including personal privacy and ethical concerns, network security vulnerabilities, safety issues, and biocompatibility.

Keywords: Brain monitoring; Brain-computer interfaces (BCIs); Communication; Diagnosis; Medical applications; Rehabilitation.

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Conflict of interest statement

Declarations. Ethics approval and consent to participate: Not applicable. Consent for publication: Not applicable. Competing interests: The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
Applications of BCIs in healthcare. a The whole BCI process and the types of brain signals. b The process of BCI applications in rehabilitation, part of the figure by Ma et al. [92]. c The classification of BCIs based on the daily communication, part of the figure by Willet et al. [93]. d The role of inhibitory neurons in epilepsy, recorded EEG signals in seizure states, epilepsy prediction, and physiological markers of epilepsy, part of the figure by Daoud et al. [94] and Guo et al. [95]. e The sleep stages and the typical waveforms during sleep. f Four types of electrical stimulation of the brain for brain resuscitation and neurodegenerative diseases. g Other applications of BCIs in the medical field. ECoG electrocorticography, LFP local field potential, MUA multi-unit activity, SUA single-unit activity, EEG electroencephalogram, MRI magnetic resonance imaging, NIRS near-infrared spectroscopy, MEG magnetoencephalography, PET positron emission computed tomography, DBS deep brain stimulation, VNS vagus nerve stimulator, rTMS rhythmic transcranial magnetic stimulation, tDCS transcranial direct current stimulation, BCI brain-computer interfaces, REM rapid eye movement

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