Ssanghee Seo

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Patients with severe physical disorders but who are cognitively intact find it difficult to communicate with the outside world. Researches on the brain-computer interface (BCI) are aimed to help such patients. This study analyzes the characteristics of brainwaves and classifies between "yes" and "no" responses when a subject thinks of a "yes" or "no"(More)
The brain is processing various acts and thoughts of humans. Among the functions of the brain, decision making, reasoning and complex calculation are governed by the frontal lobe. If the FLA (Frontal Lobe Activity) is kept low for a long period of time, human reasoning and decision making are interrupted and anti-social behaviors can emerge which are hardly(More)
The aim of the current study was to investigate the effect of an auditory stressor, with respect to affective style, on frontal EEG asymmetry, ERP, and psychological stress. Twenty subjects were tested during the sound of a woman's scream and the sound of birds. A greater negative N200 and positive P300 amplitude was exhibited for a woman's scream compared(More)
A usability assessment is now widely recognized as critical to the success of interactive interface design including web design. In this paper, our research team used a variety of different biosignals such as Electroencephalogram (EEG), Electrocardiogram (ECG), and Electromyogram (EMG) to evaluate individuals’ emotional reactions to different web interface(More)
In previous paper, we founded that the affective style of subjects according to an auditory stressor existed. Subjects in the stress group compared to other groups reported a higher level of stress on physiological stress scale. The aim of the current study was to investigate the relation between affective style and stress scale under various stress(More)
Patients with severe physical disorders but who are cognitively intact find it difficult to communicate with the outside world. Researches on the brain-computer interface (BCI) are aimed to help such patients. This study analyzes the characteristics of brainwaves when a subject thinks of a "yes" or "no" response to an auditory stimuli question. Experiment(More)
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