Amygdala’s Inner Workings: “The amygdala, an almond-sized and -shaped brain structure, has long been linked with a person’s mental and emotional state. But thanks to scientific advances, researchers have recently grasped how important this 1-inch-long structure really is. Associated with a range of mental conditions from normalcy to depression to even autism, the amygdala has become the focal point of numerous research projects.” The Scientist