Final answer:
The common symptom associated with both Psychopathic Deviate and Hypomania is excessive energy, increased talkativeness, and impulsivity, indicative of heightened activity and reduced impulse control in these disorders.
Step-by-step explanation:
The symptom or behavior commonly associated with both Psychopathic Deviate and Hypomania is excessive energy, increased talkativeness, and impulsivity. These traits are indicative of an increased level of activity and reduced impulse control, which can be present in various psychological conditions. However, specifically for psychopathy and hypomanic states, these symptoms are key factors in the makeup of the respective disorders. Psychopathic individuals often show a lack of empathy and a propensity for manipulation, combined with impulsivity, while those experiencing hypomania, a feature of bipolar disorder, display a heightened state of energy, talkativeness, and impulsive actions.