The 14 chapters of this book address key and relevant topics: 1) conditioned fear, manifestations of anxiety, and the role of the amygdala, 2) the role of stress vis-à-vis brain structural damage, 3) the neuropsychobiology of the variable foraging demand paradigm in nonhuman primates, 4) risk factors for anxiety and depression in offspring, 5) pathophysiology of anxiety, 6) psychiatric effects of disasters and terrorism, 7) neuroanatomy of panic disorder, 8) implications for mood and anxiety disorders of neuroimaging studies of nonhuman primates reared under early stressful conditions, 9) neurotoxic effects of childhood trauma, 10) scientific basis of psychological treatments for anxiety disorders, 11) new molecular targets for antianxiety interventions, 12) dissociating components of anxious behavior in young rhesus monkeys, 13) the anatomy of fear, and 14) the role of the amygdala in emotional and social behavior.