A system for monitoring or evaluating a neurologic state of a patient, comprising: a sensing device including: at least one electrode configured to detect a brain electrical signal; a first processor configured to convert the electrical signal into data related to brain electrical activity of a patient at a first location; and a communication system configured to transfer the data related to brain electrical activity to a memory unit at a second location that is different from the first location and store the data in a first record in the memory unit; characterized in that the system further comprises: a data entry interface configured to receive information related to the neurological state of the patient based on at least one evaluation technique not including brain electrical activity data, and including a communication system configured to transfer the information related to the neurological state of the patient to a database, wherein the information related to the neurological state of the patient includes an assessment based on at least one evaluation technique not including brain electrical activity data; and a second processor circuit configured to provide a classification of a neurological state of the patient based on the data related to brain electrical activity and data stored in the database, determine the differences between a provided classification based on data related to brain electrical activity and an assessment based on at least one evaluation technique not including brain electrical activity data, and utilize the differences to automatically increase the sensitivity and specificity of the classification of a neurological state of the patient based on data related to brain electrical activity. a sensing device including: at least one electrode configured to detect a brain electrical signal; a first processor configured to convert the electrical signal into data related to brain electrical activity of a patient at a first location; and a communication system configured to transfer the data related to brain electrical activity to a memory unit at a second location that is different from the first location and store the data in a first record in the memory unit; at least one electrode configured to detect a brain electrical signal; a first processor configured to convert the electrical signal into data related to brain electrical activity of a patient at a first location; and a communication system configured to transfer the data related to brain electrical activity to a memory unit at a second location that is different from the first location and store the data in a first record in the memory unit; characterized in that the system further comprises: a data entry interface configured to receive information related to the neurological state of the patient based on at least one evaluation technique not including brain electrical activity data, and including a communication system configured to transfer the information related to the neurological state of the patient to a database, wherein the information related to the neurological state of the patient includes an assessment based on at least one evaluation technique not including brain electrical activity data; and a second processor circuit configured to provide a classification of a neurological state of the patient based on the data related to brain electrical activity and data stored in the database, determine the differences between a provided classification based on data related to brain electrical activity and an assessment based on at least one evaluation technique not including brain electrical activity data, and utilize the differences to automatically increase the sensitivity and specificity of the classification of a neurological state of the patient based on data related to brain electrical activity. a data entry interface configured to receive information related to the neurological state of the patient based on at least one evaluation technique not including brain electrical activity data, and including a communication system configured to transfer the information related to the neurological state of the patient to a database, wherein the information related to the neurological state of the patient includes an assessment based on at least one evaluation technique not including brain electrical activity data; and a second processor circuit configured to provide a classification of a neurological state of the patient based on the data related to brain electrical activity and data stored in the database, determine the differences between a provided classification based on data related to brain electrical activity and an assessment based on at least one evaluation technique not including brain electrical activity data, and utilize the differences to automatically increase the sensitivity and specificity of the classification of a neurological state of the patient based on data related to brain electrical activity.