1. A method of analyzing neurophysiological data recorded from a brain of a subject, the method being executed by a data processor and comprising: identifying activity-related features in the data; parceling the data according to said activity-related features to define a plurality of capsules, each representing a spatiotemporal activity region in the brain; comparing at least some of said defined capsules to at least one reference capsule; and estimating a brain function of the subject based on said comparison.