A 25 year old doctor brings his 52 year old father who has suddenly met a traffic accident and suffered serious injuries, to the casualty department of the hospital. Incidentally the surgeon arrives late to examine the patient. By the time he examined the patient, he had already passed into a state of unconsciousness with failing breathing. All resuscitative measures failed and the patient died. At that time the son felt the shock (shock and numbness) but immediately adopted a posture that surprised everybody. He insisted that his father should be taken to the intensive care and put on a ventilator, and that he was in fact “not really dead”. The phenomenon which best describes the clinical scenario is: