Medical devices, namely, devices and instruments to be placed on the human body and other devices and instruments in the nature of virtual reality headsets, goggles, and glasses with embedded biosensors for the purpose of measuring and analyzing the body's autonomous nervous system, physical parameters, cognitive function, and other physiological and neurological data, bio-signals and bodily behavior, and for displaying, storing, sending, transmitting and receiving instructions and data relating to any of the above; therapeutic facial masks; LED masks for therapeutic purposes; Electrodes for medical use; Non-invasive electronic neuromodulation devices for medical use for therapeutic treatments; Virtual and augmented reality devices in the nature of virtual reality headsets, goggles, and glasses with embedded biosensors for therapeutic purposes, namely, cognitive screening, assessment, diagnosis, and intervention; medical devices, namely, virtual and augmented reality devices in the nature of virtual reality headsets, goggles, and glasses with embedded biosensors to be placed on the human body for measuring and analyzing cognitive functions and the body recovery from physical and emotional stress, and for displaying, storing, sending, transmitting and receiving instructions and data relating to any of the above, for medical and therapeutic purposes; cases, structural components, replacement parts and fittings specially adapted for the aforesaid goods