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2. Causes

Experts have a poor understanding of disruptive mood dysregulation disorder’s causes and mechanics. Functional MRI studies suggest that malfunction of the amygdala, the part of the brain responsible for interpreting and expression emotions, may play a role. Young people with the condition also have greater activity in the anterior cingulate cortex and medial frontal gyrus than other people.

doctor showing brain scan to little girl and mother

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