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
Retrograde and Anterograde Amnesia Retrograde amnesia is the loss of memories that formed before a trauma such as brain injury. A person found wandering around in the street, not knowing who he or she is, suffers from retrograde amnesia.