Participants will be selected from the post-concussive syndrome population based on an expectation that they would experience a clinically significant improvement. Eligible subjects will be experiencing post concussive symptoms related to an injury within the last 6 to 36 months. The study will be enrolling 150 paprticipants and will be randomized to two different treatment arms: experimental group and sham group. Participants will not be aware to which group they have been randomized.