Abstract
Craniocervical dystonia (CCD) is a neurological disorder that courses with involuntary muscle contractions, generating abnormal movements and postures. CCD includes the focal presentations of dystonia: blepharospasm, cervical, oromandibular, lingual and laryngeal dystonia. Its physiopathology has not been fully understood yet and neuroimage studies, using the voxel based morphometry, have…