A system configured to facilitate analysis of subject neurological conditions based on analysis of involuntary blinks and eyelid movements, the system including: an input module configured to receive, from a plurality of sensor systems each respectively configured to enable collection of blepharometric data from a human subject, a set of sensor data including (i) blepharometric data; and (ii) subject identification data; a subject identification module that is configured to identify a unique human subject from which a set of blepharometric data is collected by a given one of the sensor devices; a blepharometric data input processing module configured to process the set of blepharometric data collected by the sensor device thereby to define current blepharometric data for the identified human subject, wherein the blepharometric data is representative of eyelid position as a function of time; a memory module that is configured to maintain a record of historical blepharometric data for the identified human subject, and for one or more additional human subjects; a blepharometric data variation processing module that is configured to identify threshold variations in blepharometric data over time based on repeated processing of the historical blepharometric data, as modified by newly received sets of blepharometric data including the current blepharometric data, thereby to identify presence of one or more blepharometric data variation indicators; and an output module that is configured to provide a data output in response to identification of blepharometric data variation indicator; wherein the memory module that is configured to maintain a record of historical blepharometric data for the identified human subject includes statistical information derived from processing of blepharometric data collected across a plurality of previous periods. an input module configured to receive, from a plurality of sensor systems each respectively configured to enable collection of blepharometric data from a human subject, a set of sensor data including (i) blepharometric data; and (ii) subject identification data; a subject identification module that is configured to identify a unique human subject from which a set of blepharometric data is collected by a given one of the sensor devices; a blepharometric data input processing module configured to process the set of blepharometric data collected by the sensor device thereby to define current blepharometric data for the identified human subject, wherein the blepharometric data is representative of eyelid position as a function of time; a memory module that is configured to maintain a record of historical blepharometric data for the identified human subject, and for one or more additional human subjects; a blepharometric data variation processing module that is configured to identify threshold variations in blepharometric data over time based on repeated processing of the historical blepharometric data, as modified by newly received sets of blepharometric data including the current blepharometric data, thereby to identify presence of one or more blepharometric data variation indicators; and an output module that is configured to provide a data output in response to identification of blepharometric data variation indicator; wherein the memory module that is configured to maintain a record of historical blepharometric data for the identified human subject includes statistical information derived from processing of blepharometric data collected across a plurality of previous periods.