Psychiatric disturbances such as irritability, impulsiveness, aggressiveness, and mood disturbances are also common. Psychoticism is a personality pattern typified by aggressiveness and interpersonal hostility. They are characterized by their extreme aggressiveness, ferocity, and painful stings. Some demonstrate greater aggressiveness and hyperactivity. Clumsiness, an awkward gait, and unusual aggressiveness or irritability may also occur. Aggressiveness and impulsivity are among the possible symptoms of ASPD. AAT could reduce the symptoms of ASD such as aggressiveness, irritability, distractibility, and hyperactivity. For example, the hormone testosterone is important for sociability, affectivity, aggressiveness, and sexuality. Undesirable traits such as health defects and aggressiveness are selected against. America's greed, aggressiveness, and self-righteous arrogance must be stopped. Then women often demonstrate greater aggressiveness and determination than men in adversity. Within business circles Keating gained a reputation for aggressiveness and arrogance. In general however, carnivorous birds avoid merlins due to their aggressiveness and agility. They generally do not exhibit extreme aggressiveness or a high prey drive. This increased aggressiveness does not disappear in captivity.