Joseph E. LeDoux, The Emotional Brain: The Mysterious Underpinnings of Emotional Life (New York: Simon and Schuster, 1996), 168.

Jacek Debiec and Joseph E. LeDoux, «The Amygdala and the Neural Pathways of Fear», in Post-Traumatic Stress Disorder: Basic Science and Clinical Practice, eds. Joseph E. LeDoux, Terrence Keane, and Peter Shiromani (NewYork: Humana, 2009), 23–38; Elizabeth A. Phelps, «Emotion and Cognition: Insights from Studies of the Human Amygdala», Annual Review of Psychology 57 (2006): 27–53.