Cannabis use in early adolescence: Evidence of amygdala hypersensitivity to signals of threat oleh Philip A. Spechler, Catherine A. Orr, Bader Chaarani, Kees-Jan Kan, Scott Mackey, Aaron Morton, Mitchell P. Snowe, Kelsey E. Hudson, Robert R. Althoff, Stephen T. Higgins, Anna Cattrell, Herta Flor, Frauke Nees, Tobias Banaschewski, Arun L.W. Bokde, Robert Whelan, Christian Büchel, Uli Bromberg, Patricia Conrod, Vincent Frouin, Dimitri Papadopoulos, Jurgen Gallinat, Andreas Heinz, Henrik Walter, Bernd Ittermann, Penny Gowland, Tomáš Paus, Luise Poustka, Jean-Luc Martinot, Eric Artiges, Michael N. Smolka, Gunter Schumann, Hugh Garavan