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Fri May 24 01:39:33 PDT 2024

Science Daily Mind & Brain


( Scientists map networks regulating gene function in the human brain
May 23rd 2024, 15:37

A consortium of researchers has produced the largest and most advanced multidimensional maps of gene regulation networks in the brains of people with and without mental disorders. These maps detail the many regulatory elements that coordinate the brain's biological pathways and cellular functions. The research used postmortem brain tissue from over 2,500 donors to map gene regulation networks across different stages of brain development and multiple brain-related disorders.

( Study explains why the brain can robustly recognize images, even without color
May 23rd 2024, 15:36

New research offers a possible explanation for how the brain learns to identify both color and black-and-white images. The researchers found evidence that early in life, when the retina is unable to process color information, the brain learns to distinguish objects based on luminance, rather than color.

( Study uncovers cell type-specific genetic insights underlying schizophrenia
May 23rd 2024, 15:36

New research provides a map for how the genes known to increase risk of schizophrenia affect specific cells within the brain -- information researchers hope can drive the development of new, effective treatments.

( Mental disorders may spread in young people's social networks
May 23rd 2024, 11:26

A recently completed study demonstrates that mental disorders may be transmitted between individuals within social networks. The finding was the most evident in the case of mood, anxiety and eating disorders.

( One in two children with ADHD experience emotional problems
May 22nd 2024, 13:04

Scientists have shown that problems regulating emotions -- which can manifest as depression, anxiety and explosive outbursts -- may be a core symptom of attention deficit hyperactivity disorder (ADHD).

( Extreme temperatures may increase risk of stroke mortality, especially in low-income countries
May 22nd 2024, 13:03

Extreme heat and extreme cold are both associated with increased risks of death from ischemic and hemorrhagic stroke, according to a new study. The researchers found that the link between extreme temperatures and stroke mortality was stronger in low-income countries than in high-income countries.

( New weapon against dementia
May 22nd 2024, 13:03

The clumping of proteins is at the root of a wide range of neurodegenerative disorders that affect the brain such as Alzheimer's and dementia. Researchers have now developed a new tool that can help find and study these tiny protein clumps. The results pave the way for a greater understanding of the body's smallest building blocks and better treatment of diseases like cancer, Alzheimer's and Parkinson's.

( Naturally occurring substance in pomegranates can improve treatment of Alzheimer's disease
May 22nd 2024, 13:03

A substance naturally occurring in i.a. pomegranates, strawberries and walnuts can improve memory and treatment of Alzheimer's disease, a new study concludes.

( Transitioning gender identities is not linked with depression
May 22nd 2024, 12:39

A landmark longitudinal study of LGBTQ+ youths has found that transitioning gender identities is not associated with depression and that about 1 in 3 gender-minority youths change their gender identity more than once. In fact, the study found higher rates of depression among transgender youths are more closely associated with bullying and victimization.

( Study models how ketamine's molecular action leads to its effects on the brain
May 21st 2024, 12:46

New research addresses a gap in understanding how ketamine's impact on individual neurons leads to pervasive and profound changes in brain network function.

( Cortex's self-organizing abilities in neural development
May 21st 2024, 12:43

Researchers have investigated how highly organized patterns of neural activity emerge during development.

( Food for thought: Study links key nutrients with slower brain aging
May 21st 2024, 12:43

A new study suggests better nutrition might help prevent cognitive decline. Working with a group of 100 cognitively healthy participants aged 65 to 75, a research team combined neuroscience with nutritional science to identify a specific nutrient profile linked with better performance on cognitive tests. Nutrient biomarkers identified via blood tests revealed a combination of fatty acids, antioxidants and carotenoids, and two forms of Vitamin E and choline -- very similar to the Mediterranean diet -- in the systems of those who showed slower than expected brain aging in MRI scans and cognitive assessments.

( Climbing the social ladder may slow dementia
May 21st 2024, 12:43

Researchers analyzed data from the Japan Gerontological Evaluation Study and found that socioeconomic status (SES) transitions affect dementia risk. Specifically, upward SES mobility is greater associated with reduced dementia risk and extended healthy aging with dementia-free lifespan, while downward mobility increases risk. The study of 9,186 participants found that lifestyle, comorbidities, and social factors mediate this relationship, highlighting the importance of SES in cognitive health and preventing dementia.

Forwarded by:
Michael Reeder LCPC
Baltimore, MD

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