44 Medical evaluation of neurological conditions or neurological diseases; Medical evaluation of neurological conditions or neurological diseases for drug development purposes; Medical testing for diagnostic or treatment purposes; Medical testing for diagnostic or treatment purposes in the field of neurology; Medical diagnostic testing, monitoring and reporting services; Medical and healthcare services, namely, providing medical and healthcare information, and medical and healthcare advice; leasing of medical devices, namely, sensor systems comprised of a wearable modular sensing unit, namely, biofeedback sensors, optical sensors, magnetic sensors, and computer hardware and software for use in screening and diagnosing neurological conditions; leasing of medical devices, namely, sensor systems comprised of a wearable modular sensing unit, namely, biofeedback sensors, optical sensors, magnetic sensors, and computer hardware and software for recording and processing brain activity and mental states from human and animal subjects