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In this preliminary study, we explore the brain activity of healthy subjects during visual sustained attention task using a low-cost electroencephalography headset. The main objective is to study the ability of subjects to detect and respond to stimulus changes which occur infrequently during the time using Emotiv EPOC system. 14-Channels EEG data were recorded while subjects participated in 10 minutes...
The Brain Computer Interface (BCI) is a user interface that helps people with severe physical disabilities to communicate with others or to interact with their surroundings by using their brain waves to control devices. However, almost all conventional studies about stimulus-driven BCI focused on a visual modality. Until recently, there still haven't had useful tools to help blind people who suffer...
The brain computer interface (BCI) is an emerging technology for paralyzed people to communicate with external environments through their minds. However, current EEG equipment utilizes metal electrodes, such as gold cup, AgCl, etc., with electrolytes to attach on human skin. These wet-type electrodes are not convenient for use. It usually requires a lousy preparation process and the refill of electrolyte...
The Emotiv™ electroencephalogram (EEG) headset is a non-invasive brain-computer interface with 14 EEG channels that was used to record neural responses to stimuli in 5 male and 5 female participants. The stimuli included instructions (presented in both visual or auditory format successively) of ‘right’ or ‘left.’ Participants raised their right or left arm in response to the instruction given. The...
The aim of this study is to provide a comprehensive test of head related impulse response (HRIR) for an auditory spatial speller brain-computer interface (BCI) paradigm. The study is conducted with six users in an experimental set up based on five Japanese hiragana vowels. Auditory evoked potentials resulted with encouragingly good and stable "aha-" or P300-responses in real-world online...
Visual search tasks can take long amounts of time and the more complicated the image is the longer it takes to find a target. Therefore, it is of interest to come up with a system that can augment a searcher's vision, in relation to speed, enabling the searcher to find the target faster than through normal means. Audition and vision are important for both communicative and informational purposes and...
We assessed the effects of the addition of dynamic visual elements and sounds to a levee patroller training game on the appraisal of the environment and weather conditions, the engagement of the users and their performance. Results show that the combination of visual dynamics and sounds best conveys the impression of severe weather conditions and most strongly influences the appraisal of the environment...
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