Objective To establish the pattern of needle electrodes by stimulating the soft palate in monkeys induced velopharyngeal muscle movement,and to achieve an effective stimulus values of soft palate movement.Methods Five sets of muscles of adult monkey's soft palate were anatomized to determine the surface location.The palate muscle electrode positioning stimulator and needle electrode were used to make an effective stimulating of adult monkey's soft palate muscles.The record muscle contraction and velopharyng...