Hallucinogens have their primary effect on perception.

幻觉剂主要是对知觉产生影响。

Psychoactive substances are commonly grouped according to whether they are stimulants depressants or hallucinogens.

刺激神经类物质通常分为兴奋剂、镇静剂和幻觉剂。

Hallucinogens are psychoactive substances that powerfully alter perception, mood, and a host of cognitive processes.

迷幻剂是指作用于精神的，能强烈改变感知、情绪及主体认知过程的药物。

Psychoactive substances are commonly grouped according to whether they are stimulants, depressants, or hallucinogens.

刺激神经类物质通常分为兴奋剂、静剂和幻觉剂。