Impulsion(redirected from impulsions)
Also found in: Dictionary, Thesaurus, Medical, Legal.
a psychic disturbance that is expressed in actions and inclinations characterized by sudden, unmotivated, irresistible, impetuous impulses. Impulsion is characteristic of the mentally ill and those suffering from psychopathy. It may be expressed in chaotic, destructive actions (destruction or damage of objects) or absurd or aggressive acts (comic foolishness, abusive shouts, declamation, infliction of bodily harm, suicide). Impulsive inclinations are also manifested in bouts of vagrancy, excessive drinking, and irresistible urges to commit arson and theft, in which it is impossible to discern malicious intent or mercenary motives.