Dementia Concentric

**Concentric dementia** is another name for subcortical dementia, caused either by local damage to the fronto-basal parts of the brain, or by the significant condition of internal hydrocephalus or congenital ventricular disease. Dementia with such a lesion is determined by mnestic disorders, motor impairment, and in some patients - psychosis.

Concentric dementia is a mixed type of dementia that combines a decrease in memory, attention, intelligence and activity with a predominance of motor disorders. With this disease, attention and intelligence decrease, criticism of one’s condition is impaired, people cease to navigate in space, disorganization of behavior, hallucinations, and psychotic disorders occur. At the same time, patients develop amymia, they do not show interest in the environment, in their personality, do not experience emotions, lose self-care skills, and the ability to learn. The common features are a decrease in criticism of one’s behavior, even to the point of gross violations, a weakening of will, apathy, and a slower reaction to what is happening. There are varying degrees of emotional reactions. They may be indifferent to their family, loved ones, people around them, emotionally liquid in social contacts, as a result of which families are completely lost in the process of raising such patients. They have difficulty, but are still able to move, find a way out of places that are new to them. The gait is disturbed, the gait becomes shuffling, uncertain, a person may begin to imitate someone, becoming an imitator. The phenomenon of walking without a goal appears when