For Your Consideration... Direct presynaptic and indirect astrocyte-mediated mechanisms both contribute to endocannabinoid signaling in the pedunculopontine nucleus of mice. 2016 May 11. Kovács A1, Bordás C1, Bíró T1,2, Hegyi Z3, Antal M3,4, Szücs P1,5, Pál B6. Author information Abstract The…Freedom WaresMay 11, 2016