Not a action of ketamine on CNS:
|A||Inhibition of cortex|
|B||Inhibition of thalamus|
|C||Inhibition of limbic system|
|D||Inhibition of dorsal horn cells of spinal cord|
Inhibition of limbic system
Ketamine inhibits cortex to produce unconsciousness inhibits thalamus to produce analgesia, stimulates limbic system to produce hallucinations and emergence reactions. It also acts on reticular activating system and spinal cord.