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
Dissociative amnesia is the most common Dissociative Disorder. There are several different types of amnesia, and many different causes. Dissociative Amnesia is not caused by head injuries or physical damage to the brain, it is amnesia which has a psychological cause.