Within the limbic system, the amygdala plays a key role in aggression and the hippocampus plays a key role in memory.
The essential structures of the limbic system incorporate the amygdala, hippocampus, thalamus, hypothalamus, basal ganglia, and cingulate gyrus. The amygdala is the feeling focus of the cerebrum, while the hippocampus assumes a fundamental part in the arrangement of new recollections about past encounters.
Inge is using the defense mechanism of repression, Repression is rejecting a painful experience, memories and more likely when you see the person or thing which caused that to happen.