نتایج جستجو برای: رابط مغز کامپیوتر bci

تعداد نتایج: 15137  

2014
Josef Faller Reinhold Scherer Ursula Costa Eloy Opisso Josep Medina Gernot R. Müller-Putz

Co-adaptive training paradigms for event-related desynchronization (ERD) based brain-computer interfaces (BCI) have proven effective for healthy users. As of yet, it is not clear whether co-adaptive training paradigms can also benefit users with severe motor impairment. The primary goal of our paper was to evaluate a novel cue-guided, co-adaptive BCI training paradigm with severely impaired vol...

2013
Femke Nijboer Jens Clausen Brendan Z. Allison Pim Haselager

Brain-Computer Interface (BCI) research and (future) applications raise important ethical issues that need to be addressed to promote societal acceptance and adequate policies. Here we report on a survey we conducted among 145 BCI researchers at the 4th International BCI conference, which took place in May-June 2010 in Asilomar, California. We assessed respondents' opinions about a number of to...

2007
Chun Sing Louis Tsui John Q. Gan

Due to the non-stationarity of EEG signals, online training and adaptation is essential to EEG based brain-computer interface (BCI) systems. Asynchronous BCI offers more natural human-machine interaction, but it is a great challenge to train and adapt an asynchronous BCI online because the user’s control intention and timing are usually unknown. This paper proposes a novel motor imagery based a...

2017
Jong-Woon Shin Sae-Bom Kwon Yesol Bak Sangku Lee Do-Young Yoon

(E)-2-benzylidene-3-(cyclohexylamino)-2,3-dihydro-1H-inden-1-one (BCI) is known as a dual specific phosphatase 1/6 or MAPK inhibitor. However, its precise anti-lung cancer mechanism remains unknown. In this study, the effects of BCI on cell viability were investigated in the non-small cell lung cancer cell lines NCIH1299, A549, and NCI-H460. We confirmed that BCI significantly inhibited the cel...

2014
Heung-Il Suk Siamac Fazli Jan Mehnert Klaus-Robert Müller Seong-Whan Lee

Recently, spatio-temporal filtering to enhance decoding for Brain-Computer-Interfacing (BCI) has become increasingly popular. In this work, we discuss a novel, fully Bayesian-and thereby probabilistic-framework, called Bayesian Spatio-Spectral Filter Optimization (BSSFO) and apply it to a large data set of 80 non-invasive EEG-based BCI experiments. Across the full frequency range, the BSSFO fra...

پایان نامه :وزارت علوم، تحقیقات و فناوری - موسسه آموزش عالی غیر انتفاعی و غیر دولتی نبی اکرم - دانشکده فنی 1391

با توجه به نیاز هر روزه انسان به کامپیوتر که روز به روز بیشتر نیز می شود، نیاز به برقراری ارتباط آسان با کامپیوتر بیش از هر موقعی احساس می گردد. یکی از روش های آسان سازی ارتباطات، گفتگو با کامپیوتر و فهم سخنان انسانی توسط کامپیوتر می باشد که باعث ایجاد شاخه پردازش زبان طبیعی گردید. یکی از زمینه های پرکاربرد پردازش زبان طبیعی سیستم های پرسش و پاسخ می باشند که شامل دسته بندی های متفاوتی از نقطه ن...

2012
Melissa Quek Johannes Höhne Roderick Murray-Smith Michael Tangermann

The scope of this chapter is limited to applications where a Brain–Computer Interface (BCI) is used as an explicit interaction technique. In other words, we refer here to BCI as input which is voluntarily controlled by the user, rather than as an implicit interaction as in for mental or cognitive state monitoring. Designing applications using BCI as an explicit input technique for users with se...

2013
S. Halder B. Varkuti M. Bogdan A. Kübler W. Rosenstiel R. Sitaram N. Birbaumer

OBJECTIVE Brain-computer interface (BCI) provide a non-muscular communication channel for patients with impairments of the motor system. A significant number of BCI users is unable to obtain voluntary control of a BCI-system in proper time. This makes methods that can be used to determine the aptitude of a user necessary. METHODS We hypothesized that integrity and connectivity of involved whi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

چکیده ی پژوهش پژوهش حاضر ارزشیابی دوره های حسابداری و کامپیوتر آموزشگاه آزاد حتی و حرفه ای شهر تهران براساس الگوی ارزشیابی سیپ (cipp) در سال تحصیلی 88-87 می باشد هدف کلی این پژوهش ارزشیابی این موسسات از لحاظ وضعیت درونداد و فرآیند و برو نداد می باشد ، که بر این اساس سه سئوال اصلی در این پژوهش مطرح شده است : وضعیت دروندادها در این موسسات به چه صورت است ؟ وضعیت فرآیند ها در این موسسات به چه...

Journal: :Micromachines 2015
Tatsiana Malechka Tobias Tetzel Ulrich Krebs Diana Feuser Axel Gräser

Severely disabled people, like completely paralyzed persons either with tetraplegia or similar disabilities who cannot use their arms and hands, are often considered as a user group of Brain Computer Interfaces (BCI). In order to achieve high acceptance of the BCI by this user group and their supporters, the BCI system has to be integrated into their support infrastructure. Critical disadvantag...

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