1,Memory impairment. The initial symptom of Alzheimer’s disease is memory impairment, which is mainly manifested in the forgetfulness of recent memory. Just like the same content, you will forget it immediately no matter how many times you tell it to him. You will forget the location of the things you just put. When cooking, you have put salt again after a while, and you forget to take away the things you just bought. Friends who have just been introduced, When we met again, we were embarrassed because we forgot his name. On the other hand, the memory of events that have been deeply impressed in the past, such as wars, certain political activities and lost relatives, is better, that is, the so-called long-term memory is better. However, with the development of the disease, the long-term memory will also be lost, and there will be misconstruction, fiction and delusion. For example, what happened in the past is said to be happening now, and several unrelated things are strung together. They will even tell a thing that has never happened from beginning to end. When memory impairment is the most serious, it shows that you don’t know your relatives, or even yourself in the mirror or photos.
2,The directional force to time and place is gradually lost. For example, I don’t know what year, month and day it is today, I don’t know where I am, I can’t find my home when I leave home, etc.
3,Barriers to computing power. The light person’s calculation speed is obviously slow, can not complete slightly complex calculations, or very obvious errors often occur. In serious cases, even simple addition and subtraction calculation cannot be carried out, even the concept of safety loss number.
4,Decreased understanding and judgment. The performance is that they can’t correctly understand the surrounding things, which directly affects the reasoning and judgment of things, and can’t distinguish the primary and secondary, essential or non essential things, so they can’t deal with problems correctly.
5,Language barrier. The light ones are wordy, the content is repetitive and disorganized, the heavy ones answer irrelevant questions, the content is heard thousands of miles, which is incomprehensible, or they often talk to themselves, the content is fragmented, or they are silent and lose their reading ability.
6,Thinking and emotion disorder. Thinking is often fragmented, major events are ignored, trivial things are tangled, accompanied by emotional retardation and indifference to people. It gradually develops into complete loss and expressionless, or children’s euphoria symptoms are very prominent. Some have hallucinations, such as auditory hallucination, visual hallucination, etc; Some have piecemeal delusions, such as jealousy delusion, theft delusion, exaggeration delusion, etc.
7,Personality and personality change. Most of them are selfish, subjective, irritable, irrational, anxious and suspicious. There are also some people who are lonely, self-centered, not interested in the surrounding things and lack enthusiasm, which are different from those before the onset of the disease.
8,Behavioral disorders. The early performance is mainly forgetting behavior disorder, such as forgetful things, lost items, getting lost and so on. In the middle stage, most of them showed behavioral abnormalities related to thinking and judgment disorders and personality changes, such as wandering around day and night and making noise; I don’t know whether it’s warm or cold, I dress disorderly, and even use clothes as trousers and hats as socks; Do not pay attention to hygiene, do not distinguish uncleanness, or even play with it; He doesn’t know whether he is superior or inferior, regardless of men and women, and even tends to be hyperactive.
9,Obstacles to movement. Slow movement, unstable walking, hemiplegia, even bedridden, incontinence of urine and urine, inability to eat autonomously, and finally death.
2、 Symptoms and staging of senile dementia
Phase I: amnesia. This period is characterized by special forgetfulness. At the same time of memory impairment, there are gradually obstacles to computing ability, cognitive ability and orientation, and the range of activities is reduced, but it can still maintain the ability of daily life and basically does not need the help of others. This period is the longest period of the disease.
Phase II: insanity. In this period, dementia continues to worsen, the condition worsens sharply, cognitive function further decreases, accompanied by agnosia, aphasia and loss of use, thinking and emotional disorders, obvious changes in personality and behavior, and obvious abnormalities. Some patients can have hypokinesia, masked face and increased muscle tension. It can also be seen that hemiplegic seizures are difficult to take care of themselves in daily life and need the help of others.
Phase III: dementia stage: Patients with severe dementia are in a state of complete silence, complete bed rest and complete loss of self-care ability. Often accompanied by cachexia, myotonia and incontinence.