This small study shows that sustained changes in the brain and immune function occur after mindfulness meditation training and practice during the study. Sustained increases in the left frontal region of the brain were detected, on a sustained basis, in the control...
The study referenced below shows that a small number of weekly audio sessions using theta / delta binaural beat frequencies appears to have benefits in anxiety treatment. Almost all self-improvement programs that utilize binaural beats and other entrainment techniques...