نتایج جستجو برای: computer interface bci

تعداد نتایج: 738535  

2017
Sasha Burwell Matthew Sample Eric Racine

BACKGROUND Brain-Computer Interface (BCI) is a set of technologies that are of increasing interest to researchers. BCI has been proposed as assistive technology for individuals who are non-communicative or paralyzed, such as those with amyotrophic lateral sclerosis or spinal cord injury. The technology has also been suggested for enhancement and entertainment uses, and there are companies curre...

2012
Adham Atyabi Martin Luerssen Sean P Fitzgibbon

Electroencephalogram (EEG) based Brain Computer Interface (BCI) is a system that uses human brainwaves recorded from the scalp as a means for providing a new communication channel by which people with limited physical communication capability can effect control over devices such as moving a mouse and typing characters. Evolutionary approaches have the potential to improve the performance of suc...

2012
Luis F. Nicolás-Alonso Jaime Gómez Gil

A brain-computer interface (BCI) is a hardware and software communications system that permits cerebral activity alone to control computers or external devices. The immediate goal of BCI research is to provide communications capabilities to severely disabled people who are totally paralyzed or 'locked in' by neurological neuromuscular disorders, such as amyotrophic lateral sclerosis, brain stem...

2003
GARY N. GARCIA MOLINA TOURADJ EBRAHIMI ULRICH HOFFMANN

Automatic systems capable of understanding different facets of human communication will be at the heart of human-computer interfaces (HCI) in the near future. An HCI which is built on the guiding principle: "think and make it happen without any physical effort" is called a brain-computer interface (BCI). Indeed, the "think" part of this principle involves the human brain, "make it happen" impli...

2014
Robert Leeb Kiuk Gwak Dae-Shik Kim R. Millán

Operating brain-actuated devices requires split attention between the interaction of the device with its environment and the Brain-Computer Interface (BCI) feedback. In case of screen-based applications it is possible to merge BCI feedback and application, but not in case of controlling devices, like wheelchairs or exoskeletons. Recently we demonstrated that BCI feedback could be provided via t...

Journal: :Human-Computer Interaction 2010
Doron Friedman Robert Leeb Gert Pfurtscheller Mel Slater

We have integrated the Graz brain-computer interface (BCI) system with a highly-immersive virtual reality (VR) Cave-like system. This setting allows for a new type of experience, whereby participants can control a virtual world using imagination of movement. However, current BCI systems still have many limitations. In this paper we present two experiments exploring the different constraints pos...

Journal: :Bulletin of Russian State Medical University 2023

In the brain-computer interface based on P300 wave (P300 BCI), selection of command by user becomes possible due to focusing user's attention external stimulus/command and extraction response this stimulus in form event-related potential (ERP) components from EEG. To obtain ERP signal, stimuli should be repeated many times, however, view existing variability latency certain stimuli, averaged ER...

2014
Kirti A. Joshi Narendra Bawane

The aim of this study was to compare methods for feature extraction and classification of EEG signals for a brain–computer interface (BCI) according to different mental task conditions. EEG data was obtained either from BCI data base or from EEG experimental recording. There were different methods for feature Extraction like temporal methods, frequential methods, and Time-frequency representati...

Journal: :Control Theory and Technology 2021

Abstract In this review article, we present more than a decade of our work on the development brain–computer interface (BCI) systems for restoration walking following neurological injuries such as spinal cord injury (SCI) or stroke. Most has been in domain non-invasive electroencephalogram-based BCIs, including interfacing system with virtual reality environment and physical prostheses. Real-ti...

Journal: :Journal of neurophysiology 2015
Clarisa A Martinez Chunji Wang

Recent research suggests the brain can learn almost any brain-computer interface (BCI) configuration; however, contrasting behavioral evidence from structural learning theory argues that previous experience facilitates, or impedes, future learning. A study by Sadtler and colleagues (Nature 512: 423-426, 2014) used BCI to demonstrate that neural network structural characteristics constrain learn...

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