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
Alzheimer's is a disease that robs people of their memory. At first, people have a hard time remembering recent events, though they might easily recall things that happened years ago. People with Alzheimer's might forget their loved ones. They might forget how to dress themselves, feed themselves, and use the toilet.