人们在交往中通过对言语的感知而获得信息的过程。主要指对口头言语的语音知觉。可分为三个阶段(或水平):听觉阶段,听觉器官接受声学信号,并对其进行初步的分析;语音阶段,把一些声学特征结合起来,以辨认语音并确定各个音的次序;音位阶段,把各个音转化为音素,并运用语音规则于连续的声音,从而认识这些音是某一种语言的有意义的语音。言语知觉不仅受语音的物理特性的制约,还受交谈时的情境(包括言词的上下文)的影响。
婴儿期言语知觉研究表明婴儿最初(1~4个月)可以分辨几乎所有的语音范畴对比;
Researches about speech perception in infancy indicate 1-4-month-old infants can discriminate most phonetic category contrast, including native category contrasts and nonnative category contrasts.
结果:在耳蜗植入24个月之后,患者的言语知觉没有显著的增高或降低,除非患者经历了不利的医疗事件。
Results: There was no significant growth or decline in speech perception after 24 months postimplantation unless adverse medical events were experienced.
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