<prompt> Lucid interval is seen in -a Extra dural haemorrhageb Intra dural haemorrhagec Intra cerebral haemorrhaged Subarachnoid haemorrhageabaadbc  <response>: Lucid interval is a temporal sequence of events in which the patient has a period of normal functioning following head injury until symptoms stupor, coma begin.Lucid interval is characteristic of epidural hematoma, but is also seen in subdural hematoma. 