1. A method for monitoring a disease state of a subject suffering from a neurological disorder, the method comprising: processing one or more signals from a subject to estimate the subject's disease state, wherein the neurological disorder comprises epilepsy and the disease state comprises the subject's susceptibility to a future seizure; determining if the subject's disease state is within a target range of an inter-ictal state, wherein the target range is indicative of a low susceptibility to the future seizure; and providing an output to the subject that comprises an indication that the subject's disease state is within the target range of the inter-ictal state.