Downloadable computer software for monitoring and managing mental health and communicating mental health information; downloadable computer software applications for mobile devices for monitoring and managing mental health and communicating mental health information; downloadable computer software for monitoring and managing anxiety and depression and communicating information on anxiety and depression; downloadable computer software applications for mobile devices for monitoring and managing anxiety and depression and communicating information on anxiety and depression; downloadable computer software for monitoring and managing neurological and psychiatric diseases and communicating information on neurological and psychiatric diseases; computer headbands; computer hardware, namely, wearable computing devices, sensors and accessories for use with headsets and headbands to collect, store, analyze and transmit human brain activity; computer software for interfacing between the brain and computing platforms including headsets and headbands; software for providing an interface between human brain activity and headsets and headphones; software for use in collecting and storing usage data from headsets and headbands; software to analyze usage data collected from headsets and headbands; software to transmit data from wearable computing devices including headsets and headbands to computing platforms; electroencephalography kit, for personal use, consisting of an electroencephalogram (EEG) headset, EEG sensing device, brain sensing headband, wearable headset device to measure, track, and monitor EEG brainwaves, and associated software sold as a unit therewith, all of the aforesaid in association with measurements and signals derived exclusively from the head, brain functioning, brain processes, brain activity and/or mental and cognitive measurements, analysis, functioning (including without limitation, eye movement, and/or galvanic skin response, and/or facial muscle tension); digital electronic devices and instruments containing sensors for measuring, displaying, storing, or transmitting biosignals, physical parameters, and other physiological data; data tracking units, not for medical use, comprised of a head-worn device for measuring, tracking, and monitoring electroencephalogram (EEG), electromyogram (EMG), electro-oculogram (EOG), electrocardiogram (ECG), photoplethysmogram (PPG) signals, and for measuring, tracking, and monitoring accelerometer data, and gyroscope data