IRCT2013110415280N1 IRCT 2014-02-11 Yazd SHahid Sadoughi University of Medical Sciences the effect of family members voice on level of consciousness of comatose patients Survey of the effect of family members voice on level of consciousness of comatose patients admitted to the Intensive Care Unit 2013-10-22 anticipated 40 Complete https://irct.ir/trial/14574 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A coma. Intervention 1: The intervention group receive a 10- day, twice daily in the morning and night shifts for 15-5 min tape -recorded voice of a loved one patient in the patient 's family ( with the patient's family ) known content ( patient notification to person, time, place , brief events that occurred in , repeating the name of the patient at least three times during the recording, expressing fond memories and termination bar with Statement of expressions of patients to return to his family) by MP3 Player and by placing the headphones on his ears and auditory stimulation is and Before and after each auditory stimulation ( four times daily ) Glasgow Coma Scale score will be determined by the research assistant during any intervention by the research assistant refused to touch the patient. It 's the sound of a loved one in the family by MP3 Player device model Marshal will be recorded by the investigator in a separate room in the hospital. Intervention 2: In the control group without stimulation with sound family intervention group with the same time intervals ( four times daily ) Glasgow Coma Scale score of patients is measured.