Nervous system - Terms Flashcards
Arousal level - alertness
responds appropriately; can open eyes, look at examiner, respond fully and appropriately to stimuli
Arousal level - lethargy
appears drowsy
-can open eyes and look at examiner, respond to questions, but falls asleep easily
Arousal level - obtundation
- can open eyes, look at examiner, but responds slowly and is confused
- demonstrates decreased alertness and interest in environment.
Arousal level - stupor
- can only be aroused form sleep with painful stimuli and returns to sleep once stimuli is removed.
- verbal responses are slow or absent; demonstrates minimal awareness of self and environment
Arousal level - coma
- unconsciousness from which patient cannot be aroused.
- eyes remain closed
- no response to external stimuli or environment
Arousal level - unresponsive vigilance (vegetative state)
-characterized by the return of sleep/wake cycles, normalization of vegetative functions (respiration, HR, BP, digestion) and lack of cognitive responsiveness (can be aroused but is unaware)
persistent vegetative state = lasting more than 1 yr for TBI and more than 3 months for anoxic brain injury.
Arousal level - minimally conscious state (MCS)
- characterized by severely altered consciousness with minimal but definite evidence of self or environmental awareness
sustained attention
ability to attend to task without redirection
divided attention
ability to shift attention from one task to another
mental inertia
getting stuck on one task
focused attention
ability to stay on task in presence of detractors
body scheme disorder (somatognosia)
pt identify body parts or their relationship to each other
visual spatial neglect (unilateral neglect)
pt ignores one side of the body and stimuli coming from that side
right/left discrimination disorder
can’t identify left or right body parts
anosognosia
severe denial, neglect or lack of awareness of severity of condition
determine whether pt shows severe impairments in neglect and body scheme