Lachlan Brown, ‘Neuroscience reveals the shocking impact narcissistic abuse has on the brain’,, Hack Spirit (November 17, 2017)

Shrinking hippocampus and swelling amygdala

Narcissistic abuse that can leave much more than just emotional damage. (…) Neuroscientists have discovered that long-term narcissistic abuse can lead to actual physical brain damage. (…) Victims experience a shrinking of the hippocampus and a swelling of the amygdala; both of these circumstances lead to devastating effects. (…) The hippocampus is crucial in learning and developing memories, while the amygdala is where negative emotions like shame, guilt, fear, and envy come to life.