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Sat May 4 01:38:30 PDT 2024

Science Daily Mind & Brain


( Physics confirms that the enemy of your enemy is, indeed, your friend
May 3rd 2024, 17:26

The famous axiom 'the enemy of my enemy is my friend' is part of Austrian psychologist Fritz Heider's social balance theory, introduced in the 1940s. Previous studies have tried to model social networks based in famous theory but results remained controversial. New model takes into account two key pieces simultaneously: Not everyone knows everyone else in a social network, and some people are friendlier than others. With those two constraints, large-scale social networks consistently align with social balance theory. Model has broad applications for exploring political polarization, neural networks, drug interactions and more.

( Birdwatching can help students improve mental health, reduce distress
May 3rd 2024, 13:53

A new study finds people who have nature-based experiences report better well-being and lower psychological distress than those who do not. Birdwatching in particular yielded promising results, with higher gains in subjective well-being and more reduction in distress than more generic nature exposure, such as walks. Because birdwatching is an easily accessible activity, the results are encouraging for college students -- who are among those most likely to suffer from mental health problems.

( New immunosuppressive mechanism found in brain cancer
May 3rd 2024, 13:53

Scientists have discovered how glioblastoma evades the immune system by inducing pro-tumor macrophages via a glucose based epigenetic modification.

( Scent sells -- but the right picture titillates both eyes and nose, research finds
May 2nd 2024, 14:12

Scented products with relevant images on their packaging and branding, such as flowers or fruit, are more attractive to potential customers and score better in produce evaluations, new research confirms. And such images, the researchers conclude, are particularly effective if manufacturers and marketers choose pictures that are more likely to stimulate a stronger sense of the imagined smell -- for example, cut rather than whole lemons. This, they say, suggests that as well as seducing our eyes, the images are stimulating our sense of smell.

( Synchronization between central circadian clock and circadian clocks of tissues preserves their functioning
May 2nd 2024, 14:11

Two complementary research articles reveal that central and peripheral circadian clocks coordinate to regulate the daily activity of skin and muscles. The coordination between the two clocks (central and peripheral) guarantees 50% of the circadian functions of tissues, including vital processes such as the cell cycle, DNA repair, mitochondrial activity, and metabolism. Synchronization between the central brain clock and peripheral ones prevents premature muscle aging and improves muscle function, suggesting new strategies to tackle age-related decline through circadian rhythm modulation.

( How the brain's arousal center helps control visual attention too
May 2nd 2024, 11:37

Neuroscientists have artificially increased neuronal activity in part of the brain by briefly shining light on genetically modified neurons. They saw that this manipulation selectively enhanced performance in non-human primates performing a visual attention task, underscoring the crucial role that attention plays in sensory perception.

Forwarded by:
Michael Reeder LCPC
Baltimore, MD

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