What is Bio-Signal

The purpose of this article is the support of learning activities through the student affective awareness and more specifically through his/her anxiety level recognition. In learning activities besides the cognitive procedure, there is a mixture of student academic emotions revealed, which might be considered as important factors to student performance. Student anxiety recognition through bio-feedback, might be approved a significant support providing critical and on-time affective information which may improve self-regulation and teaching and coaching quality. The physiological reactions of the body, affects the conductivity of the skin, the skin temperature and the heart rate producing bio-signals that provide the opportunity to estimate some basic human emotional states. More specifically, high anxiety is usually resulting in increased human skin moisture, reducing the resistance and increasing the skin conductivity to electrical current. Human skin temperature is decreasing as anxiety is increasing. Also people under stressful conditions usually show increased heart rate values.