dementia
A new study published in Psychology and Aging examined the links between personality, psychological characteristics, and cognitive outcomes in older adults, finding that higher levels of positive affect and Openness are associated with reduced cognitive decline, even when accounting for brain atrophy. Cognitive decline in older age has profound implications for one’s dependence and need for care. Prior studies have linked personality traits to cognitive outcomes, suggesting personality may influence one’s risk of cognitive decline. Most of these studies have focused on Big Five personality in ...
PsyPost (UK)
A recent study published in JAMA Network Open reveals that consuming more than a teaspoon of olive oil daily could significantly reduce the risk of dying from dementia, and that replacement of margarine or mayonnaise with olive oil could also reduce this risk. The Mediterranean diet has been celebrated for its cardiovascular benefits. Recently, researchers have turned their attention to its potential to protect cognitive health. Olive oil, a staple of the Mediterranean diet, is rich in healthy fats and antioxidants, which are thought to offer anti-inflammatory and neuroprotective effects. The ...
PsyPost (UK)
A recent study by researchers at the University of Nebraska-Lincoln and the University of Illinois at Urbana-Champaign has found that specific nutrients may play a key role in promoting healthy brain aging. The study, published in the journal npj Aging, suggests that certain dietary components could help maintain cognitive function and brain health as we age. As people age, cognitive decline and brain health deterioration are common concerns. Researchers have long studied various factors contributing to brain aging, including genetics, lifestyle, and environmental influences. While much is kno...
PsyPost (UK)
A recent study published in the journal Alzheimer’s & Dementia has found that long-term exposure to air pollution significantly increases the risk of dementia. The research, conducted in Denmark, also explored the potential role of noise pollution but found that air pollution is the primary factor contributing to dementia risk. These findings highlight the broader impacts of air pollution beyond respiratory and cardiovascular health, showing its detrimental effects on brain health. Dementia, a condition characterized by progressive memory loss and cognitive decline, is a growing concern worldw...
PsyPost (UK)
Many dementia charities advise people to maintain a healthy weight to reduce their risk of dementia. But some studies have suggested that obesity might actually protect against dementia. What does the science say? The evidence linking obesity to dementia does at first appear to be convincing. For example, we know that being obese in middle age is associated with an increased risk of developing dementia in later life. We also know that obesity damages the tiny vessels supplying blood to the brain, and is a major cause of high blood pressure, diabetes and chronic inflammation, all of which have ...
PsyPost (UK)
A recent study published in the Journal of Neuroscience has shed light on the brain’s white matter health in a group of elderly individuals known as “superagers.” These are older adults whose memory performance rivals that of people decades younger. The research reveals that superagers maintain better white matter microstructure in their brains compared to typical older adults, which may help explain their remarkable memory retention. The study’s primary aim was to understand why some older adults can retain superior episodic memory, the ability to recall personal experiences, well into their ...
PsyPost (UK)
Our brains change more rapidly at various times of our lives, as though life’s clock was ticking faster than usual. Childhood, adolescence and very old age are good examples of this. Yet for much of adulthood, the same clock seems to tick fairly regularly. One lap around the Sun; one year older. However, there may be a stage of life when the brain’s clock starts speeding up. The brain starts changing without you necessarily noticing it. It may even be caused (partly) by what’s in your blood. This stage of brain ageing during your 40s to 50s, or “middle-ageing”, may predict your future health. ...
PsyPost (UK)
If you or a loved one have noticed changes in your memory or thinking as you’ve grown older, this could reflect typical changes that occur with ageing. In some cases though, it might suggest something more, such as the onset of dementia. The best thing to do if you have concerns is to make an appointment with your GP, who will probably run some tests. Assessment is important because if there is something more going on, early diagnosis can enable prompt access to the right interventions, supports and care. But current methods of dementia screening have limitations, and testing can be daunting f...
PsyPost (UK)
Dementia is often described as “the long goodbye”. Although the person is still alive, dementia slowly and irreversibly chips away at their memories and the qualities that make someone “them”. Dementia eventually takes away the person’s ability to communicate, eat and drink on their own, understand where they are, and recognise family members. Since as early as the 19th century, stories from loved ones, caregivers and health-care workers have described some people with dementia suddenly becoming lucid. They have described the person engaging in meaningful conversation, sharing memories that we...
PsyPost (UK)
The eyes can reveal a lot about the health of our brain. Indeed, problems with the eyes can be one of the earliest signs of cognitive decline. Our latest study shows that a loss of visual sensitivity can predict dementia 12 years before it is diagnosed. Our research was based on 8,623 healthy people in Norfolk, England, who were followed up for many years. By the end of the study, 537 participants had developed dementia, so we could see what factors might have preceded this diagnosis. At the start of the study, we asked participants to take a visual sensitivity test. For the test, they had to ...
PsyPost (UK)
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