Specially organised 'dementia friendly' swimming sessions can be beneficial to people with dementia and their carers, according to a new study by researchers at the University of Nottingham and the Institute of Mental Health.
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During the past decade, researchers have identified new ways to detect the earliest biological signs of Alzheimer's disease. These early signs, which are detected by biomarkers, may be present before a person starts to exhibit ...
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Lifetime risks of developing Alzheimer's disease dementia vary considerably by age, gender and whether any signs or symptoms of dementia are present, according to a new study published online by Alzheimer's & Dementia.
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Cranking up your headphones or scrambling for a front-row spot at rock shows could be damaging more than your hearing.
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Worldwide, there are an estimated 46.8m people living with dementia. The numbers affected will double every 20 years, rising to 115.4m in 2050. Another 7.7m people will develop dementia around the world every year. Given ...
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Older adults in England with fewer financial resources are more likely to develop dementia, according to new UCL research.
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Moderate to high intensity exercise does not slow cognitive (mental) impairment in older people with dementia, finds a trial published by The BMJ today.
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Machine learning has detected one of the commonest causes of dementia and stroke, in the most widely used form of brain scan (CT), more accurately than current methods.
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The Phase 2 trial (named PASTIS) is examining whether tadalafil – a Viagra-like drug that treats erectile dysfunction – can increase blood flow to the deep vessels within the brain.
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New research has shown that older people with very low heart disease risks also have very little frailty, raising the possibility that frailty could be prevented.
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An international research team led by scientists at the University of Edinburgh and the University of Queensland, has identified three new genes linked to the risk of Alzheimer's disease. The study, supported by Alzheimer's ...
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The amino acid homocysteine occurs naturally in the human body, generated as a byproduct of methionine metabolism. Genetic diseases or an imbalanced diet, with too much red meat or deficiencies in B vitamins and folic acid, ...
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The researchers report significant reduction in the severity and duration of freezing of gait, improved cognitive processing speed and reduced daytime sleepiness.
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The percentage of people with ideal heart health – measured by scoring seven lifestyle and biological markers – declined over two decades, according to a study that found people who maintain higher health scores over ...
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Whether you learn to play a musical instrument or speak another language, you're training your brain to be more efficient, suggests a Baycrest study.
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Dementia (taken from Latin, originally meaning "madness", from de- "without" + ment, the root of mens "mind") is a serious loss of global cognitive ability in a previously unimpaired person, beyond what might be expected from normal aging. It may be static, the result of a unique global brain injury, or progressive, resulting in long-term decline due to damage or disease in the body. Although dementia is far more common in the geriatric population, it can occur before the age of 65, in which case it is termed "early onset dementia".
Dementia is not a single disease, but rather a non-specific illness syndrome (i.e., set of signs and symptoms) in which affected areas of cognition may be memory, attention, language, and problem solving. It is normally required to be present for at least 6 months to be diagnosed; cognitive dysfunction that has been seen only over shorter times, in particular less than weeks, must be termed delirium. In all types of general cognitive dysfunction, higher mental functions are affected first in the process.
Especially in the later stages of the condition, affected persons may be disoriented in time (not knowing what day of the week, day of the month, or even what year it is), in place (not knowing where they are), and in person (not knowing who they, or others around them, are). Dementia, though often treatable to some degree, is usually due to causes that are progressive and incurable.
Symptoms of dementia can be classified as either reversible or irreversible, depending upon the etiology of the disease. Less than 10% of cases of dementia are due to causes that may presently be reversed with treatment. Causes include many different specific disease processes, in the same way that symptoms of organ dysfunction such as shortness of breath, jaundice, or pain are attributable to many etiologies.
Without careful assessment of history, the short-term syndrome of delirium (often lasting days to weeks) can easily be confused with dementia, because they have all symptoms in common, save duration. Some mental illnesses, including depression and psychosis, may produce symptoms that must be differentiated from both delirium and dementia.
There are many specific types (causes) of dementia, often showing slightly different symptoms. However, the symptom overlap is such that it is impossible to diagnose the type of dementia by symptomatology alone, and in only a few cases are symptoms enough to give a high probability of some specific cause. Diagnosis is therefore aided by nuclear medicine brain scanning techniques. Certainty cannot be attained except with brain biopsy during life, or at necropsy in death.
Some of the most common forms of dementia are: Alzheimer's disease, vascular dementia, frontotemporal dementia, semantic dementia and dementia with Lewy bodies. It is possible for a patient to exhibit two or more dementing processes at the same time, as none of the known types of dementia protects against the others.
This text uses material from Wikipedia licensed under CC BY-SA
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