The primary goal of this project is to provide the investigator with comprehensive information on the theory and practice of VR and AR usage in the context of stress response elicitation and mitigation. In this project, a thorough literature review will be performed, Massive Open Online Course (MOOC) will be completed, and the experimental study on the stress elicitation in VR or AR environment will be conducted. The investigator will participate in an internship at the University of Cádiz.