from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Relating to the peduncle and pons of the brain
Sorry, no etymologies found.
During REM sleep the body is in a paralyzed state due to neuron firing from the pedunculopontine and laterodorsal tagmental nuclei, which causes cortical activation, vivid dreams, and total loss of muscle tone in the body (Saper).