Speech disorder

Speech is an advanced function peculiar to the human brain. Speech disorders limited to the brain and peripheral nerves can be divided into aphasia and dysarthria. Aphasia is caused by impaired or lost speech, listening, reading, and writing abilities of the cerebral cortex speech functional area, not by mental factors, sensory disturbances, or muscle weakness. Patients can access phonetic sounds and see text signs. But they ca n’t understand the meaning. Patients can chew, swallow, and move their hands, but they ca n’t read or write. Common aphasia includes motor errors, sensory errors, naming aphasia, aphasia, aphasia, and aphasia. Use and failure to recognize. Dysphonia is the difficulty of articulation caused by the musculature and paralysis of the vocal organs caused by the damage to the organs of the nervous-muscular system. Rhythms, sounds, etc. are abnormal, nasal sounds are too heavy, etc. In severe cases, speech is inconsistent and words are incomprehensible, making it difficult for people to understand. Heavier patients cannot even pronounce, and their understanding and expression are normal.