A new study published in Neuropsychology Review has revealed that children and adolescents diagnosed with attention-deficit hyperactivity disorder (ADHD) exhibit significantly poorer object recognition memory compared to their peers without ADHD. This meta-analysis of 28 studies sheds light on the cognitive challenges faced by this population. ADHD is a neurodevelopmental disorder characterized by persistent patterns of inattention, hyperactivity, and impulsivity that interfere with functioning or development. Children with ADHD often struggle with maintaining focus, following through on tasks...
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A study of memory clinic patients in Sweden found that individuals with higher cognitive reserve tend to have better cognitive functioning. However, physiological stress, indicated by levels of the hormone cortisol, weakened this association. The research was published in the Alzheimer’s & Dementia. Cognitive reserve refers to the brain’s ability to adapt and find alternative ways to complete tasks despite damage or aging. This concept suggests that individuals with a higher cognitive reserve can better cope with neurological challenges due to a more robust and adaptable neural network. Factor...
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Sexual well-being is known to enhance both physical and mental health, as well as overall relationship quality. However, over half of the population reports dissatisfaction with the sexual aspects of their relationships, which often declines over time. A recent study published in the Archives of Sexual Behavior has found that daily experiences of intimacy are closely linked to positive sexual outcomes, including increased sexual desire, satisfaction, and reduced sexual distress. These benefits are observed both in the short term and up to 12 months later, suggesting a lasting impact of intimac...
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A recent study published in American Politics Research has uncovered a significant relationship between allegations of election fraud by politicians and increased support for political violence among Republican partisans. The findings suggest that such allegations, particularly when made by political elites, can erode democratic stability by making political violence more acceptable to certain groups. The study aimed to scientifically test whether partisans are more likely to justify political violence when their political rivals are accused of election fraud. This question is critical given t...
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Our sense of touch is generally thought to decline with age, just like the other senses. However, a study has now shown for the first time that age-related decline in sensitivity only happens in hairless skin like the tip of the index finger, but not in the hairy cheeks and forearms. The authors speculate that the exceptional sensitivity of the cheeks throughout life is due to our evolutionary history as social primates, for whom touch is an important method of communication. Like most primates, humans are remarkably touchy-feely. Starved of touch, we release more of the stress hormone cortiso...
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A recent study published in Nutritional Neuroscience has found that greater adherence to the Mediterranean diet is linked to a reduced risk of cognitive decline among elderly individuals. Conducted over a three-year period, the research highlights that this association is particularly significant for women aged 65 and older. The findings add to the growing body of evidence suggesting that diet can play a crucial role in maintaining cognitive health. The Mediterranean diet is characterized by high consumption of fruits, vegetables, whole grains, legumes, nuts, and olive oil, moderate intake of ...
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A recent study by neurology researchers at the Hospital Clínic de Barcelona has shed light on the cognitive impairments experienced by individuals suffering from post-acute COVID-19 syndrome. Their findings reveal significant cognitive deficits, particularly in attention, executive function, and verbal memory, persisting for at least six months. These cognitive impairments are accompanied by depressive symptoms, apathy, anxiety, fatigue, and a generally low health status. The research was published in Scientific Reports. COVID-19, caused by the severe acute respiratory syndrome coronavirus 2 (...
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Conspiracy theories are often seen as the domain of the paranoid and mistrustful, but new research suggests a deeper, more evolutionary reason for why some people are more inclined to believe in them. A recent study published in the journal Evolutionary Behavioral Sciences found that people who grew up in stressful environments are more likely to hold conspiracy beliefs. This connection appears to be linked to certain personality traits collectively known as the Dark Triad. The researchers propose that believing in conspiracies might be an adaptive response shaped by early life experiences. Co...
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A meta-analytic study examining the associations between nature exposure and the cognitive performance of children and adolescents found no significant link between the two. However, a meta-analysis of 34 nature exposure experiments found that, overall, they did produce small improvements in attentive and executive functioning. The research was published in the Journal of Environmental Psychology. Exposure to nature refers to the time spent in natural environments, such as parks, meadows, forests, or gardens. Research indicates that being in nature can significantly improve mental health by re...
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A recent study published in the Journal of Business Venturing Insights has revealed that habitual entrepreneurs possess higher cognitive flexibility compared to their less experienced counterparts and managers. Additionally, the study found that these habitual entrepreneurs exhibit increased gray matter volume in a specific region of the brain. This research provides compelling evidence linking entrepreneurial experience with cognitive and neural adaptations. The relationship between cognitive flexibility and entrepreneurship has been a focal point in recent research. Cognitive flexibility — t...
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