Which of the Following Situations Best Describes Locked-In Syndrome

Multiple Choice

Which of the following situations best describes locked-in syndrome?

A) During a stressful episode, an individual is unable to make voluntary movements, and can only use autonomic behaviors.
B) After a stroke or other brain trauma, voluntary movement of all or almost all muscles is lost, but autonomic functions remain.
C) After a stroke or other brain trauma, an individual is locked into previously-learned voluntary movements.
D) An individual is locked into patterns of autonomic movements, but he can still make voluntary movements.