Stages of Dementia People with dementia always get worse over time, but not all people with the same type of dementia decline at the same rate or experience the same symptoms at the same stages. Certain symptoms may never appear, stages may overlap, or symptoms may appear and then disappear. Everyone is different. e60dc2a1-f33c-4a05-9b50-8e3e8e597629cfee4941-8458-4f0b-b0f2-6fddc21dc587 However, an overview of the stages of dementia can be helpful for people considering their future care needs and hoping that they will need care. Participate in a clinical trial or plan ahead. Understanding the early stages of dementia can also help us understand mysterious brain problems. In fact, researchers have now identified a condition called mild cognitive impairment as a precursor to dementia for some people. The condition, which involves deficits in memory, language, thinking and judgment, is noticeable in those affected but not severe enough to affect daily life, and affects 12 to 18 percent of people over the age of 60, according to the Alzheimer’s Association. Association.e60dc2a1-f33c-4a05-9b50-8e3e8e597629e33ac56a-6c87-4412-90d7-80518060a2ed Most common 4 Each of the three types of dementia (Alzheimer’s disease, vascular dementia, dementia with Lewy bodies, and frontotemporal disorders) has early symptoms that are telling. Unlike the short-term memory loss of Alzheimer’s disease, for example, vascular dementia can manifest as difficulties with planning and decision-making. However, in advanced stages, the symptoms of the various types of dementia all tend to resemble those of Alzheimer’s disease, including short-term memory loss, loss of awareness of one’s surroundings, and difficulty communicating. Dementia at the end? Dementia is an ongoing condition that becomes more severe over time. How quickly dementia progresses depends on many factors, including the type of dementia, and varies from person to person. According to the Alzheimer’s Association, the average time from diagnosis to death for Alzheimer’s disease is four to eight years, but some people can live as long as 20 years. Diagnosis at an older age usually results in a shorter time to death. People with vascular dementia typically live about five years and are more likely to die from a stroke or heart attack than from dementia. People with Lewy body dementia usually have a life expectancy of about six years. For patients with frontotemporal dementia, the typical time from diagnosis to death is 6 to 8 years. However, people with motor neuron disease associated with this form of dementia typically live only two to three years after diagnosis. Declines in core cognitive functions such as memory, language skills, visual perception, concentration and attention, and the ability to reason and solve problems are severe enough to affect a person’s ability to perform normal daily tasks. Short-term memory loss can be an early sign of dementia, especially Alzheimer’s disease, but different types of dementia have different symptoms. e60dc2a1-f33c-4a05-9b50-8e3e8e5976290e758892-ddba-409b-9a2b-deb592be7514 People with Lewy body dementia may experience visual hallucinations in which they see things that are not there, or may experience alternating visual hallucinations. Alertness and confusion (daily or even hourly). Movement problems are also common, such as muscle stiffness, tremors or tremors, and loss of coordination. e60dc2a1-f33c-4a05-9b50-8e3e8e597629d2c2e842-93dd-4f08-8408-92671ade5c7f Some people with frontotemporal dementia show extreme changes in their behavior and personality. For example, they may start making very inappropriate comments in social situations or display a surprising lack of inhibition. e60dc2a1-f33c-4a05-9b50-8e3e8e59762967837004-afbd-49da-8f93-f583df6bc7f6 A type of frontotemporal dementia called primary progressive aphasia makes it difficult for people to express their thoughts and opinions. Find the words.e60dc2a1-f33c-4a05-9b50-8e3e8e597629d1263f9c-ba9e-48eb-9d75-c0a3415718ec An accurate diagnosis is the first step to receiving the right treatment and support for dementia. Complications Complications of Dementia Dementia is a progressive neurodegenerative syndrome that affects cognitive, behavioral, and functional abilities. As the disease progresses, it frequently develops a variety of medical and functional complications that significantly contribute to morbidity, hospitalization, and mortality. Many of these complications result from decreased neurological function, impaired mobility, difficulty swallowing, and decreased ability to perform activities of daily living. Aspiration Pneumonia and Respiratory Infections One of the most serious complications of dementia is aspiration pneumonia, which occurs when food, saliva, or stomach contents enter the lungs. Progressive neurological decline often causes dysphagia (difficulty swallowing), increasing the likelihood of aspiration. Dysphagia can also lead to dehydration, malnutrition, and respiratory infections. In advanced dementia, aspiration pneumonia is a leading cause of hospitalization and death, highlighting the importance of monitoring swallowing function and respiratory health. Malnutrition and weight loss Malnutrition is highly prevalent among people with dementia. Cognitive impairment can reduce appetite, interfere with eating behavior, and impair the ability to recognize hunger and use utensils appropriately. In addition, behavioral symptoms such as dysphagia and agitation may further impede adequate nutritional intake. Studies have shown that poor nutritional status in dementia is associated with worse functional decline, increased morbidity, and increased risk of mortality. Falls and functional decline As dementia progresses, people often experience impaired balance, poor coordination, and impaired judgment, significantly increasing the risk of falls. Falls can lead to broken bones, head injuries, and loss of independence. Impairment in activities of daily living, such as bathing, dressing, and moving, further contributes to physical frailty and increased healthcare utilization. Delirium and neuropsychiatric complications People with dementia are particularly susceptible to delirium, an acute state of confusion often caused by infections, medications, or hospitalization. Delirium can accelerate cognitive decline, prolong hospital stays, and increase the risk of long-term functional decline. Neuropsychiatric symptoms such as agitation, hallucinations, and depression are also common complications, significantly impacting quality of life and caregiver burden. Pressure ulcers and immobility As dementia progresses, mobility often decreases and bed rest becomes longer. Reduced movement increases the risk of bedsores, muscle wasting, and deep vein thrombosis. These complications can worsen overall health and increase the need for long-term care or institutionalization. Increased Mortality Comorbidities such as pneumonia, malnutrition, and frailty contribute significantly to the increased mortality observed in patients with dementia. Studies have shown that dementia alone increases mortality risk beyond the effects of other chronic diseases, highlighting the importance of comprehensive medical management and supportive care. Its role in dementia risk is often just one piece of the puzzle. Researchers are actively investigating lifestyle and environmental factors that may increase or decrease the risk of developing dementia. Keeping your heart healthy For example, the best way to protect your brain may be to protect your heart. This means quitting smoking, getting enough physical activity, and keeping blood pressure and cholesterol in check. e60dc2a1-f33c-4a05-9b50-8e3e8e5976293e341f55-01c3-48d9-8fe1-1dce423e7e88 Stay Social scientists are actively investigating other lifestyle factors that may influence dementia risk. Research on social engagement is underway, analyzing factors such as marital status and emotional connectedness. There is also evidence supporting a link between higher levels of social engagement and lower risk of dementia. e60dc2a1-f33c-4a05-9b50-8e3e8e597629c66d045c-a158-4193-aa07-b998ce94938d Another area of research to improve sleep quality is the link between sleep and dementia. One study found that older adults who slept less than 5 hours were about twice as likely to develop dementia after 5 years, compared to older adults who typically only got 6 to 8 hours of sleep. There is currently no cure for the progressive brain disease that causes dementia. However, there are several possible ways to treat dementia, depending on the underlying disease. Drug Options Disease-modifying monoclonal antibody therapy Some new drugs may slow the process of cognitive decline in the early stages of Alzheimer’s disease. These drugs, lecanemab (Leqembi) and donanemab (Kisunla), work by preventing plaques from clumping together in the brain. However, there is no evidence that these drugs restore lost cognitive function or prevent further progression of Alzheimer’s disease. These have only been studied in people with mild cognitive impairment or early stages of Alzheimer’s disease, not in people with more advanced Alzheimer’s disease or other forms of dementia. Examples of disease-modifying monoclonal antibodies Recanemab (Rekenbi) Donanemab (Kisunra) This group of drugs remains controversial, with many experts expressing concerns about their efficacy, safety, and effectiveness. cost.e60dc2a1-f33c-4a05-9b50-8e3e8e597629e0b75f66-fc6d-4c29-ba51-6039172bbb3b Other drugs may reduce or stabilize some of the symptoms of dementia, at least for a while. Many are approved by the U.S. Food and Drug Administration to treat Alzheimer’s disease, and there is clinical evidence that they can also help people with other forms of dementia. For example, if you have dementia, you may take a group of drugs approved for Alzheimer’s disease called cholinesterase inhibitors. These drugs can help with memory loss and confusion, behavioral problems and hallucinations. e60dc2a1-f33c-4a05-9b50-8e3e8e597629b17b0f9c-4675-49f0-aed6-451494233e46 Examples of cholinesterase inhibitors Donepezil (Aricept) Rivastigmine (Exelon) Galantamine (Razadyne) Medications for Blood Pressure and Cholesterol Treatment for vascular dementia usually focuses on addressing underlying problems with the heart and blood vessels, which may slow the rate of decline in cognitive function. If necessary, you may be prescribed medications to lower blood pressure, lower cholesterol, prevent blood clots, and control blood sugar levels if you have diabetes. Frontotemporal disorders are particularly difficult to treat with drugs because some drugs can cause adverse or even dangerous reactions. However, certain antidepressants may help curb social disinhibition and impulsivity. Dementia. You can also benefit from individual sessions with a mental health counselor to deal with feelings of stress and sadness, or you can use the services of an occupational therapist to make your home simpler and safer. Support group meetings with other people dealing with dementia may also be an option. e60dc2a1-f33c-4a05-9b50-8e3e8e597629d720190e-fa56-43e8-ae40-1b9c6c96077f Hundreds of clinical trials targeting dementia are also being conducted in the United States. Researchers working with people online and in centers across the country are studying both pharmaceutical and non-pharmaceutical interventions. Participants in these clinical trials, including people living with or at risk of dementia, can gain access to potential treatments before they become widely available, while also contributing to the discovery of treatments for future generations. e60dc2a1-f33c-4a05-9b50-8e3e8e5976294cf9db21-62c6-4f7c-b5ca-0ffa80d58b86 Lifestyle Lifestyle changes and prevention for dementia Lifestyle changes for dementia reduce stress People with dementia can improve their quality of life by focusing on their overall health and taking steps to reduce stress. Simplify tasks and reduce clutter in your home. Eat well and exercise. You can improve your physical health by being physically active, eating well, and participating in social interactions and brain-stimulating activities. Stay social and find meaning Relationships are key to good psychological health. Having close friends who can provide emotional support increases your sense of well-being and self-esteem. People with dementia can also foster mental health by participating in meaningful activities, such as outings with family and friends or quiet meditation time alone pursuing a hobby like yoga. Caregivers can improve the quality of life of people with dementia by knowing how best to communicate and developing strategies to overcome cognitive or behavioral challenges. For example, presenting complex tasks one at a time increases the likelihood of success and fosters confidence. Stick to a routine Many people with dementia tend to feel worse in the evening, so a calming routine before bed can be helpful. That means eliminating family conversations, TV noises, and chores like cleaning up after meals. e60dc2a1-f33c-4a05-9b50-8e3e8e597629edcf3aac-66af-46e1-8408-d5f2e0da2b44 Takeaway Dementia is a cognitive disorder that has a significant impact on daily life and can be caused by several different patterns or processes in the brain. Dementia cannot be cured, but it can be treated or managed with medication, changes to your home and daily routine, and a healthy lifestyle with social connections. If you notice any worrisome changes in your thinking or behavior, don’t hesitate to get a cognitive function test. Causes Dementia Causes and Risk Factors Dementia occurs when neurons (nerve cells) in the brain stop functioning, lose connections with other brain cells, and die. Researchers are still working to understand why this happens, investigating the role that genetics, lifestyle, and environment all play as risk factors for dementia. Genes passed from parents to children are thought to be involved in almost all types of dementia. However, people do not directly inherit dementia, except in rare cases of mutations in a single gene. Instead, the odds are determined by a combination of genetic, environmental, and lifestyle factors. e60dc2a1-f33c-4a05-9b50-8e3e8e597629f80ad6ad-82d3-460f-a7ae-a15e2fa56494 However, certain types of dementia seem to be more heavily influenced by genetics. About 10 to 15 percent of people with a dementia called frontotemporal disorder (also known as frontotemporal dementia) have a strong family history. High levels of the protein in the brain, similar to the Alzheimer’s disease protein beta-amyloid (plaque). Lewy body dementia, the third most common type of dementia, is associated with abnormal deposits of a protein called alpha-synuclein. In a healthy brain, alpha-synuclein helps neurons communicate. But when alpha-synuclein begins to clump together in neurons, forming so-called Lewy bodies, brain function is impaired, affecting thinking, movement, behavior, and mood. Risk factors for Lewy body dementia include a family history of Lewy body dementia, older age, Parkinson’s disease, and having a condition called REM sleep behavior disorder. REM sleep behavior disorder causes people to physically act out vivid, sometimes violent dreams in their brains. sleep.e60dc2a1-f33c-4a05-9b50-8e3e8e5976297986a53c-65e5-48e8-8507-da3f1fcb3890 Vascular dementia is associated with damaged arteries blocking blood flow to areas of the brain, depriving brain cells of the oxygen and nutrients they need to function. In some cases, a small blockage in a blood vessel may not cause immediate symptoms, but the damage to the brain can be extensive and cause dementia. Risk factors include atherosclerosis (the buildup of fatty deposits in the arteries), high cholesterol, high blood pressure, diabetes, and smoking. Scientists were able to identify a family history of frontotemporal disorders. But researchers have discovered genetic similarities between the underlying brain conditions frontotemporal degeneration and amyotrophic lateral sclerosis (ALS, also known as Lou Gehrig’s disease). Exploring these similarities may help scientists better understand and treat both diseases. Generally speaking, diagnosing dementia, or identifying the cognitive impairment, is usually much easier than identifying the underlying brain disorder. Symptoms of different types of dementia can overlap, and people may have more than one type of dementia at the same time. e60dc2a1-f33c-4a05-9b50-8e3e8e5976296f44ef48-86e9-471d-a6dc-b6a8a3718e35 However, correct diagnosis is essential to receive optimal treatment. This process usually begins with your primary care physician, but specialists such as neurologists, neuropsychologists, and geriatricians may also play a role. The first challenge is to rule out treatable or reversible conditions with dementia-like symptoms, such as depression or thyroid disease. The doctor will take a detailed medical history, perform a physical examination and neuropsychological evaluation, and order laboratory tests. Neuropsychological evaluations can help doctors identify cognitive patterns that may indicate the presence of certain brain disorders. These tests examine cognitive skills such as memory, problem solving, language skills, and concentration. Doctors may also use imaging scans such as magnetic resonance imaging, computed tomography, or positron emission tomography to view the brain. Instead, it is a syndrome, or set of symptoms, that occurs when neurons (nerve cells) in the brain stop functioning, lose connections with other brain cells, and die. This ultimately leads to significant cognitive loss that interferes with daily life. This is the National Institute on Aging’s definition of dementia. From mild to severe. In the final stage, people become completely unable to care for themselves and require round-the-clock assistance with the most basic aspects of daily life. Up to half of men and women over the age of 85 (also known as the “oldest people”) have some form of dementia, but experts do not believe it is a normal part of aging. Many people live to age 90 with their cognitive abilities intact. Some people with dementia may be unable to control their emotions or exhibit personality changes. People may also suffer from hallucinations (seeing or experiencing things that don’t exist) or delusions (beliefs that have no basis in reality). Karisha Bonds Johnson, PhD, RN, of Emory University’s Nell Hodgson Woodruff School of Nursing in Atlanta, explains how.
