An upset, the main symptom of which is a violation of the development of motor coordination. The disorder can not be explained by mental retardation or any specific congenital or acquired neurological disorders.
Disorder of receptive speech is one of the forms of specific disruption in the development of speech and language, in which understanding speech with a safe physical hearing is noticeably below the level corresponding to the child's mental development.
The disorder of expressive speech (general hypoplasia of speech) is one of the forms of a specific violation of speech development, in which the child's ability to use colloquial speech is noticeably below the level corresponding to his mental development, while understanding speech usually does not suffer.
A group of specific disorders in the development of speech and language (dyslalia) is represented by disorders in which the leading symptom is a violation of sound reproduction in normal hearing and normal innervation of the speech apparatus.
With the entire polymorphism of clinical manifestations, two main criteria typical for most forms of mental retardation can be distinguished, which primarily characterize the so-called nuclear or typical oligophrenia.
Mental retardation is a condition caused by congenital or early acquired underdevelopment of the psyche with a pronounced lack of intelligence, which makes it difficult or completely impossible for an adequate social functioning of the individual.
Reovirus infection is an acute disease accompanied by catarrh of the upper respiratory tract and often a lesion of the small intestine. In this regard, the viruses are called respiratory enteric orphan viruses (respiratory-intestinal human viruses-REO viruses).
Respiratory syncytial infection (PC-infection) is an acute viral disease with mild symptoms of intoxication, a predominant lesion of the lower respiratory tract, frequent development of bronchiolitis and interstitial pneumonia in young children.
Adenovirus infection in children is diagnosed on the basis of fever, catarrh of the respiratory tract, hyperplasia of the oropharyngeal lymphoid tissue, enlargement of the cervical lymph nodes, and damage to the mucous membranes of the eyes.