1. A system for training an ambulatory user, the system comprising: an executive function training circuit configured to couple with a user-wearable electrical sensor, the executive function training circuit comprising: a brain activity detector configured to receive electrical signals from a user-wearable electrical sensor and detect one or more brain activities; an undesired executive function detector configured to detect one or more executive function portions of the one or more brain activities attributable to an undesired executive function; and a sensory feedback generator configured to provide a training signal to a sensory feedback stimulator in association with the detection of the one or more executive function portions of the one or more brain activities attributable to an undesired executive function.