The present invention relates to methods of treating and preventing Alzheimers Disease or other tauopathies in a subject by administering a tau protein, its immunogenic epitopes, or antibodies recognizing the tau protein or its immunogenic epitopes under conditions effective to treat or prevent Alzheimers Disease of other tauopathies. Also disclosed are methods of promoting clearance of from the brain of the subject and of slowing progression of tangle-related behavioral phenotype in a subject.