1. Nerve fibres transmit external stimuli to the brain. 神经纤维把外界的刺激传导给大脑。
2. Reaction to strong stimuli from the outside world is a characteristic of all animals. 凡是动物都有对外界的刺激发生比较灵敏的感应的特性。
3. The discipline is a branch of psychophysics in that it is interested in the relation between sensory input stimuli and the behavioural or psychological response that they provoke. 这是一个精神物理学的分支学科,它侧重于研究感官的输入刺激和这些刺激所引发的心理反应或行为之间的关系。