Cognitive, Mood & SleepPACAPPituitary Adenylate Cyclase-Activating Polypeptide with neuroprotective and cognitive effects. On this pageAbout PACAPAbout this entry About PACAPPituitary Adenylate Cyclase-Activating Polypeptide with neuroprotective and cognitive effects.About this entryNo editorial update date is available for this legacy overview. No independent clinical review has been performed.