Consciousness Flashcards
1
Q
What is arousal?
A
The emotional state associated with some kind of goal or avoidance of something bad
2
Q
What is consciousness?
A
‘Awareness’ of both external world and internal states
3
Q
What structures form consciousness?
A
Cerebral cortex
Reticular formation
4
Q
What is the reticular formation?
A
A population of specialised interneurons in the brain setem
5
Q
What are the inputs into the reticular formation?
A
Sensory system
Cortex
6
Q
What are the outputs from the reticular formation?
A
Thalamus
Hypothalamus
Basal forebrain nuclei
Spinal cord
7
Q
What part of the reticular formation is key for consciousness?
A
Reticular activating system
8
Q
What are the 3 pathways in the reticular activating system?
A
- Basal forebrain nucleus
- ACh - Hypothalamus
- histamine - Thalamus
- glutamate
9
Q
How can consciousness be assessed?
A
GCS
EEG
