Electroencephalography (EEG) helmets for monitoring and measuring brain activity for medical diagnostic purposes; Brain-computer interface electrodes for medical use; Medical imaging devices for brain; Brain pacemakers; Medical apparatus and instruments for use in positron emission tomography (PET) imaging used to monitor brain, heart and metabolic functions; Medical cooling apparatus for treating brain injuries; Medical device that scans the eyes for assessment of traumatic brain injury; Medical imaging devices for eyes; Medical robots for use in cognitive therapy for children; Non-invasive electronic neuromodulator device for medical use by healthy and impaired persons to enhance performance on cognitive tasks