True regarding Functional aphonia

FUNCTIONAL APHONIA (HYSTERICAL APHONIA) It is a functional disorder mostly seen in emotionally labile females in the age group of 15-30 years. Aphonia is usually sudden and unaccompanied by other laryngeal symptoms. Patient communicates with whisper. clinical examination:- On examination, vocal cords are seen in abducted position and fail to adduct on phonation; however, adduction of vocal cords can be seen on coughing, indicating normal adductor function. Even though patient is aphonic, sound of cough is good. Treatment:- Treatment given is to reassure the patient of normal laryngeal function and psychotherapy. Ref:- Dhingra; pg num:-314