1. An anatomical mapping system comprising: a plurality of mapping electrodes configured to detect activation signals of intrinsic physiological activity within an anatomical structure, each of the plurality of mapping electrodes having an electrode location; a mapping processor associated with the plurality of mapping electrodes, the mapping processor configured to record the detected activation signals and associate one of the plurality of mapping electrodes with each recorded activation signal, the mapping processor further configured to analyze the recorded activation signals to identify at least one recurring pattern of the detected activation signals sensed by mapping electrodes at different electrode locations based on a relationship between a timing of the detected activation signals and the electrode locations of the mapping electrode associated with each detected activation signal.