新生儿和婴儿具有复杂的听觉辨别能力。在正常语言获得过程中听觉辨别能力起重要作用,听觉辨别能力缺陷使特殊语言损害儿童分辨言语中短音成分的能力明显下降,是导致特殊语言损害的原因之一。发育性语音不清儿童的听觉辨别能力也低于正常儿童。 Neonates and babies have complex hearing ability. Hearing discrimination ability plays an important role in normal language acquisition. Defective ability of hearing discrimination makes children’s ability to distinguish short and medium components of speech significantly lower, which is one of the causes of special language damage. Developing children with unclear voice also have lower hearing ability than normal children.