05:32DiscoveryThe Teenage Brain: Sarah-Jayne BlakemoreBBC World Service Duration: 27 minutes Tue 14th Apr 2015, 05:32 on BBC World Service OnlineAvailable for over a yearListen nowA cognitive neuroscientist unlocks the mysteries of the teenage brain Show more GenresFactualScience & NatureFormatsMagazines & ReviewsBrandDiscovery Source: BBC Online