This included a reduction in heart, respiratory and pulse rates, of systolic blood pressure, and oxygen metabolism, and of urinary vanilly-mandelic acid (VMA) and increases o skin resistance.

• 这些参数变化包括心跳、呼吸频率和脉搏、收缩压（systolicbloodpressure）、氧代谢变化（oxygenmetabolism）,、尿液香草扁桃酸(VMA)的减少和皮肤电阻（skinresistance）的增加。