نتایج جستجو برای: واسط مغز کامپیوتر bci

تعداد نتایج: 15608  

2015
Brent J. Lance Jon Touryan Yu-Kai Wang Shao-Wei Lu Chun-Hsiang Chuang Peter Khooshabeh Paul Sajda Amar Marathe Tzyy-Ping Jung Chin-Teng Lin Kaleb McDowell

Brain-computer interface (BCI) technologies, or technologies that use online brain signal processing, have a great promise to improve human interactions with computers, their environment, and even other humans. Despite this promise, there are no current serious BCI technologies in widespread use, due to the lack of robustness in BCI technologies. The key neural aspect of this lack of robustness...

Journal: :Journal of neurologic physical therapy : JNPT 2012
Rutger J Vlek David Steines Dyana Szibbo Andrea Kübler Mary-Jane Schneider Pim Haselager Femke Nijboer

The steadily growing field of brain-computer interfacing (BCI) may develop useful technologies, with a potential impact not only on individuals, but also on society as a whole. At the same time, the development of BCI presents significant ethical and legal challenges. In a workshop during the 4th International BCI meeting (Asilomar, California, 2010), six panel members from various BCI laborato...

Journal: :Psychophysiology 2017
Han-Jeong Hwang Chang-Hee Han Jeong-Hwan Lim Yong-Wook Kim Soo-In Choi Kwang-Ok An Jun-Hak Lee Ho-Seung Cha Seung Hyun Kim Chang-Hwan Im

Although the feasibility of brain-computer interface (BCI) systems based on steady-state visual evoked potential (SSVEP) has been extensively investigated, only a few studies have evaluated its clinical feasibility in patients with locked-in syndrome (LIS), who are the main targets of BCI technology. The main objective of this case report was to share our experiences of SSVEP-based BCI experime...

2013
Olesya Mokienko Alexander Chervyakov Sofia Kulikova Pavel Bobrov Lyudmila Chernikova Alexander A. Frolov Mikhail Piradov

BACKGROUND Motor imagery (MI) is the mental performance of movement without muscle activity. It is generally accepted that MI and motor performance have similar physiological mechanisms. PURPOSE To investigate the activity and excitability of cortical motor areas during MI in subjects who were previously trained with an MI-based brain-computer interface (BCI). SUBJECTS AND METHODS Eleven he...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی 1386

هدف یک سیستم واسطه مغز با رایانه برقراری ارتباط یک جانبه میان انسان و رایانه است، بطوریکه از این طریق امکان کنترل محیط خارج برای انسان تنها با استفاده از سیگنالهای مغزی او فراهم شود. بیشتر مطالعات انجام شده در زمینه bci تنها به تفکیک انواع فعالیتهای ذهنی کاربر می پردازند. در اینگونه سیستمها، اجازه کنترل سیستم تنها در فواصل زمانی تعیین شده و توسط سیستم به کاربر می پردازند. در اینگونه سیستمها، اج...

2014
G. Muhiuddin Abdullah M. Al-roqi

The concepts of (internal, external) cubic soft sets, P-cubic (resp. R-cubic) soft subsets, R-union (resp. R-intersection, P-union, Pintersection) of cubic soft sets, and the complement of a cubic soft set are introduced, and several related properties are investigated. We apply the notion of cubic soft sets to BCK/BCI-algebras, and introduce the notion of cubic soft BCK/BCI-algebras. A charact...

2008
Yuzhong Ding

We introduce BCI structures which are extensions of 1-sorted structure and are systems 〈 a carrier, an internal complement 〉, where the carrier is a set and the internal complement is a binary operation on the carrier. Let us note that there exists a BCI structure which is non empty and strict. Let A be a BCI structure and let x, y be elements of A. The functor x \ y yielding an element of A is...

2016
Anton Nijholt Mannes Poel

We investigate various forms of face-to-face and multiparty interac‐ tions in the context of potential brain-computer interface interactions (BCI). BCI has been employed in clinical applications but more recently also in domestic and game and entertainment applications. This paper focusses on multi-party game applications. That is, BCI game applications that allow multiple users and different B...

2006
John Q. Gan

This paper adopts a simple but effective unsupervised method for incrementally updating the means and variances that define LDA and Bayesian classifiers for real-time BCI. The method is evaluated using asynchronous BCI data from three subjects. Experimental results show that the proposed selfadaptation approach is stable and able to improve BCI performance consistently. This paper also aims to ...

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