Scientific apparatus and instruments, namely, devices and instruments to be placed on the human body and other devices and instruments for 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; Virtual and augmented reality devices to be placed on the human body and other devices and instruments for 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; virtual and augmented reality devices to be placed on the human body and other devices and instruments for improving cognitive and functional abilities, cognitive screening, assessment, diagnosis, and intervention , and for displaying, storing, sending, transmitting and receiving instructions and data relating to any of the above, for purposes other than medical and therapeutic purposes; cases, structural components, replacement parts and fittings specially adapted for the aforesaid goods; downloadable computer programs and databases for measurement and analysis of the body's autonomous nervous system, physical parameters and other physiological and neurological data, bio-signals and bodily behavior, cognitive functions and the body recovery from physical and emotional stress, and for displaying, storing, sending, transmitting and receiving of instructions and data relating to any of the above; downloadable computer programs for measurement and analysis of the body's autonomous nervous system, physical parameters and other physiological and neurological data, bio-signals and bodily behavior, cognitive functions and the body recovery from physical and emotional stress, and for displaying, storing, sending, transmitting and receiving of instructions and data relating to any of the above; downloadable and recorded software for cognitive screening, assessment, diagnosis, intervention, improving cognitive and functional abilities, tracking behavior and symptoms with respect to cognitive function; downloadable and recorded virtual and augmented reality software for cognitive screening, assessment, diagnosis, intervention, improving cognitive and functional abilities, tracking behavior and symptoms with respect to cognitive function; downloadable and recorded software and downloadable mobile applications for cognitive functioning management; downloadable mobile applications for accessing information and educational resources for patients, providers and researchers related to cognitive functioning diagnosis, treatment and management