“…Furthermore, early-onset impaired regulation of emotional states, including low threshold, rapid increase, excessive intensity, inappropriate expression, and slow normalization of emotionality, resulting in mood lability and instability, severe irritability, low tolerance to frustration, temper outburst, and hyper-arousal, is currently defined as Emotional Dysregulation [ 9 - 11 ], and is related to the cyclothymic temperament [ 12 ]. This condition can be interpreted as a neurodevelopmental disorder of emotion regulation, and a transdiagnostic prodrome of different mental disorders, including not only mood disorders, but also ADHD [ 13 , 14 ], Oppositional Defiant Disorder (ODD) and Conduct Disorder (CD) [ 15 , 16 ], anxiety disorders [ 17 , 18 ], OCD [ 5 , 19 ], ASD [ 20 , 21 ] and eating disorders (ED) [ 22 ], resulting in individuals with more complex and unstable clinical expression, and increased sensitivity and vulnerability to environmental and interpersonal stimuli [ 23 ].…”