Objective Evaluating and treating of stress can substantially benefits to people with health
problems. Currently, mental stress evaluated using medical questionnaires. However, the
accuracy of this evaluation method is questionable because of variations caused by factors
such as cultural differences and individual subjectivity. Measuring of biomedical signals is
an effective method for estimating mental stress that enables this problem to be overcome.
However, the relationship between the levels of mental stress and biomedical signals�…