Change speech - Causes, Symptoms and Treatment .MF .

August 12, 2017 17:52 | The Nose And Mouth

human speech apparatus consists of several levels.Initially, it is formed in the speech center in the temporal lobe of the dominant hemisphere of the brain.Then getting into the act the brain centers that are responsible for voluntary movement.Then the excitement is transmitted from the central nervous system through nerve fibers to the muscles of the larynx, pharynx, velum, tongue, lips, cheeks.And with the help of movements of these muscles and the flow of air in the upper airways it is carried out.As a result of various diseases, "breaking" may occur at each stage of the described speech.speech disorders are manifested in different ways, depending on the level of the lesion.

Level defeat

type speech disorders

Description

Diseases

central nervous system

children

alalia

It the child is not formed as a function of

Underdevelopment cortex epilepsy

central nervous system

adults (cerebral cortex)

Aphasia

Disturbed understanding of lexical and gra

mmatical structures of language - the man in the mind or does not understand the speech addressed to him, or he can not properly construct a phrase or find the right word

Stroke, tumors, traumatic brain injury, dementia, degenerative diseases, infections, poisoning, metabolic disorders

central and peripheral nervous system, nerve fibers, neuromuscular transmission, muscle

Dysarthria

violation of articulation - tongue and lips "do not obey"" porridge "in the mouth

stroke, multiple sclerosis, siringobulbiya, tumor, head injury, infection, amyotrophic lateral sclerosis amyotrophy, Chiari malformation, vascular aneurysm, Guillain-Barre syndrome, dystonia, myasthenia gravis, polymyositis,muscular dystrophy

central and peripheral nervous system, nerve fibers, neuromuscular transmission, muscle

Dysphonia

muffled, hoarse voice, twang

stroke, multiple sclerosis, siringobulbiya tumors, head injury, infection, amyotrophic lateral sclerosis amyotrophy, Chiari malformation, vascular aneurysm, Guillain-Barre syndrome, thyroid surgery, heart disease and aortic volumetric formation behind the breastbone, myasthenia gravis, polymyositis, muscular dystrophy

central nervous system

mutism

The complete absence of speech

defeat certain structures of the brain, epilepsy, mental illness (schizophrenia, hysteria, depression)