For example, a person may have Alzheimer’s disease and vascular dementia. Mixed dementia. Sometimes more than one type of dementia is present in the brain at the same time, especially in people aged 80 and older.There may also be problems with language skills like speaking or understanding. For instance, a previously cautious person may make offensive comments and neglect responsibilities at home or work. People with this condition may embarrass themselves or behave inappropriately. This type of dementia most often leads to changes in personality and behavior because of the part of the brain it affects. They may also have trouble sleeping at night or may experience visual hallucinations (seeing people, objects or shapes that are not actually there). Many people also experience changes in alertness including daytime sleepiness, confusion or staring spells. In addition to more typical symptoms like memory loss, people with this form of dementia may have movement or balance problems like stiffness or trembling. The disease progresses in a step-wise fashion, meaning symptoms will suddenly get worse as the individual gets more strokes or mini-strokes. Symptoms vary depending on the area and size of the brain impacted. Diabetes, high blood pressure and high cholesterol are also risk factors. Vascular dementia. About 10 percent of dementia cases are linked to strokes or other issues with blood flow to the brain.Having a first-degree relative with Alzheimer’s disease increases the risk of developing it by 10 to 30 percent. Family history is the most important risk factor. Other concerns like difficulty with walking or talking or personality changes also come later. ![]() The trademark symptom is trouble remembering recent events, such as a conversation that occurred minutes or hours ago, while difficulty remembering more distant memories occurs later in the disease. It is caused by specific changes in the brain.
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