consciousness Flashcards
1
Q
what is the system which regulates sleeping and wakefullness?
A
reticular activating system
2
Q
what hormone stimulates RAS
A
orexin
3
Q
role of RAS and anatomical areas involved
A
Reticular formation and reticular activating system – sensory inputs (auditory, visual, ascending sensory tracts) mediated by a range of nuclei distributed through the brainstem – reticular formation. Locus coeruleus, raphe nuclei, hypothalamic nuclei, dorsolateral and ventral tegmental areas, project widely to thalamic and cortical regions regulating arousal
4
Q
difference between wakefulness and awareness
A
