A system and method for assessing brain function is disclosed that comprises electronically recording biologic information of a user with one or more electronics modules as the user progresses through a series of cognitive, sensory, activation, and/or stimulation tasks. The method includes extracting one or more data features from the record biologic information to obtain extracted data features. The method includes analyzing the extracted data features for each task so to develop a predictive outcome assessment of one or more brain conditions of the user, wherein predictive outcome assessment is at least one of a) an injury determination, b) a brain injury index, or c) a brain health assessment. Medical therapy is provided to the user in accordance with the predictive outcome assessment.