Kastner T, Burlingham K, Friedman D L
Morristown Memorial Hospital, New Jersey.
Am Fam Physician. 1990 Dec;42(6):1585-8.
Persons with mental retardation sometimes exhibit behaviors that are difficult to control. Use of neuroleptic medications may be limited by side effects or ineffectiveness. Beta blockers such as propranolol and metoprolol have been shown to decrease aggressive and impulsive behaviors in some patients with mental retardation.
智力迟钝者有时会表现出难以控制的行为。抗精神病药物的使用可能会受到副作用或无效性的限制。β受体阻滞剂，如普萘洛尔和美托洛尔，已被证明可减少一些智力迟钝患者的攻击和冲动行为。
