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.

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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.

youdao

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.

youdao