Language barrier: speech and language development barrier refers to the barrier of normal language acquisition in the early stage of development, which is characterized by the slow and abnormal development of pronunciation, language understanding or language expression ability, affecting learning, career and social functions. These conditions are not caused by abnormal neural or speech mechanisms, sensory defects, mental retardation or environmental factors.

Medical definition:

1, speech disorder: refers to people with abnormal pronunciation, fluency, voice or a combination of the above.

2. Secondary speech disorder: speech disorder caused by abnormal language, that is, speech disorder caused by difficulty in language understanding, or speech disorder caused by abnormal language combined with abnormal language.

3. Developmental speech disorder: Due to congenital abnormal brain learning, the individual's ability to learn to speak is impaired.

4. Mixed speech disorder: individuals have problems or difficulties in the physiological structure of speech, brain learning and language understanding, which leads to mixed speech disorder.

Extended data:

Language development begins in the neonatal period, with the fastest development at the age of 4-6. The cry of hunger, discomfort and pain when the baby is 2 months old has linguistic significance. Language barrier refers to a language barrier in which listening, intelligence and interpersonal communication are normal, but the ability of language understanding, expression and application deviates from normal.

The defect of language comprehension lies in the poor understanding of words, the relationship between words, sentences with different structures, negative sentences and complex sentences. The defect of expression language is improper grammar and words, which can't make things clear. Babies with poor language expression and understanding can't talk to others normally. I can't understand what people say. The following phenomena suggest that there may be language barriers, and parents should pay attention to them. ?

The following phenomena suggest that there may be language barriers, and parents should pay attention to them.

(1) 1 month, low birth weight, abnormal oral and facial development, including repaired cleft palate, slow response to environmental noise and low crying.

(2) In March, there was no eye contact with my mother, and there was no smile in response.

(3) In June, I didn't turn the sound source, and when I cried, I heard my mother's voice was not quiet, and my eyah pronunciation decreased, so I couldn't laugh loudly, and p/b was unclear.

(4) In June+February, 5438, there was no response to the voice of acquaintances and people calling my name. Without imitating pronunciation, I can't call my parents.

(5) June+August, 5438, I can't point out body parts or household items, I can't understand simple explanations, and I can't say anything other than my parents.

Baidu encyclopedia-language barrier