Smooth muscle and cardiac muscle are both involuntary muscles. Specialized cardiac muscle fibers make up the pacemaker that regulates your heart rate. This pacemaker, in turn, is under the control of the autonomic nervous system, the part of the nervous system that operates below your level of consciousness.
amnesia - partial or total loss of memory; he has a total blackout for events of the evening memory loss, blackout cognitive state, state of mind - the state of a person's cognitive processes
Types. 1  Anterograde amnesia is the inability to create new memories due to brain damage, while long-term memories from before the event remain intact. 2  Retrograde amnesia is inability to recall memories before onset of amnesia. 3  Post-traumatic amnesia is generally due to a head injury (example: a fall, a knock on the head).