an assembly and system for collection and assessment of physiological data is provided . the assembly includes a physiological data acquisition module that may be used in combination with a head harness for the collection , recordation , storage and transmission of quality physiological data . the assembly integrates easy to use , self - applied electrodes in a user - friendly system resulting in less data artifacts than commonly seen in conventional methods and techniques for collecting physiological data . the assembly and system captures high - quality physiological data for display , storage , processing and analysis .