2026
Explain the first mention of DOC - correct answer ✔✔1950
Scientist believed the brain was a physiological static structure and that repair and recovery was
not possible.
What is the current knowledge of DOC? - correct answer ✔✔Individuals with DOC have the
potential for long term recovery with increased knowledge of neuroplasticity and increased
knowledge of neuroimaging
Incidence/Prevelence of DOC - correct answer ✔✔315,000 US present with DOC
35,000 - vegetative
280,000 - minimally conscious
Classification system of DOC - correct answer ✔✔COMA--> Vegetative --> Minimally Conscious
--> Emergence from DOC
Coma - correct answer ✔✔A state of unconsciousness that can last for long periods of time,
range from 2-4 weeks. Caused be severe TBI or brain swelling, leaving a patient unaware of their
surroundings and unable to respond to simple commands.
Vegetative - correct answer ✔✔After a coma, a person appears to be awake but can only
perform certain involuntary movements
Describe arousal in vegetative state - correct answer ✔✔Arousal/Spontaneous or stimuli
induced eye opening.
, No behavioral signs of awareness.
No purposeful behavior and no language production or comprehension.
Preservation of hypothalamic and brain stem autonomic functions
May grimace to pain and localize to sounds inconsistently
In a vegetative state, is there preservation of the hypothalamic and brain stem autonomic
functions? - correct answer ✔✔Yes
In the vegetative state, is there volition movements? - correct answer ✔✔No
In the vegetative state, is the some localized response to sound? - correct answer ✔✔Yes
In the vegetative state, is it typical to have visual fixation? - correct answer ✔✔No
In a vegetative state, is it typical to have a response to threat? - correct answer ✔✔No
True or False, in a coma patient there may be some eye opening and minimal behavioral signs of
awareness. - correct answer ✔✔False
Define minimally conscious condition - correct answer ✔✔Altered consciousness where the
person displays some acknowledgement of self or environment.
Describe minimally conscious - correct answer ✔✔Fluctuation but reproducible behavioral signs
of awarenss.