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Latest news from Science Daily

The brain is 'programmed' for learning from people we like

 

Our brains are 'programmed' to learn more from people we like -- and less from those we dislike. This has been shown by researchers in cognitive neuroscience in a series of experiments.

 

The power of neighbors: Neighboring synapses shape learning and memory

 

A researcher has developed a new model that provides a holistic view on how our brain manages to learn quickly and forms stable, long-lasting memories. Their study sheds light on the crucial role of interactions among neighboring contact sites of nerve cells for brain plasticity -- the brain's ability to adapt to new experiences.

 

New study links placental oxygen levels to fetal brain development

 

A new study shows oxygenation levels in the placenta, formed during the last three months of fetal development, are an important predictor of cortical growth (development of the outermost layer of the brain or cerebral cortex) and is likely a predictor of childhood cognition and behavior.

 

No, an anti-racist program in schools didn't stress out kids, study finds

 

A new study of how high school students respond to a program designed to increase the frequency and quality of conversations about race in school finds that the anti-racist intervention did not cause stress or feelings of alienation among study participants. The finding rebuts concerns that anti-racist programs are harmful to children and teens.

 

Physical fitness since childhood predicts cerebellar volume in adolescence

 

Physical fitness since childhood is associated with cerebellar grey matter volume in adolescents. Those who were stronger, faster and more agile, in other words, had better neuromuscular fitness since childhood, had larger Crus I grey matter volume in adolescence.

 

Fatty food before surgery may impair memory in old, young adults

 

Eating fatty food in the days leading up to surgery may prompt a heightened inflammatory response in the brain that interferes for weeks with memory-related cognitive function in older adults -- and, new research in animals suggests, even in young adults.

 

Long-term memory and lack of mental images

 

When people lack visual imagination, this is known as aphantasia. Researchers investigated how the lack of mental imagery affects long-term memory. They were able to show that changes in two important brain regions, the hippocampus and the occipital lobe, as well as their interaction, have an influence on the impaired recall of personal memories in aphantasia.

 

Brittle stars can learn just fine -- even without a brain

 

We humans are fixated on big brains as a proxy for smarts. But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research reveals. These shy marine creatures have no brain to speak of -- just nerve cords running down each of their five wiggly arms. But that seems to be enough to learn by association, researchers report.    

 

Large-scale animal study links brain pH changes to wide-ranging cognitive issues

 

The International Brain pH Project Consortium unveils groundbreaking findings in a large-scale animal model study, indicating altered brain pH and lactate levels as a transdiagnostic endophenotype in neuropsychiatric disorders with cognitive impairment. This collaborative effort, involving 131 researchers across six countries, challenges existing notions and may pave the way for novel strategies in understanding and addressing biologically diverse and debilitating disorders impacting cognitive function.

 

Deep neural networks show promise as models of human hearing

 

In the largest study yet of deep neural networks trained to perform auditory tasks, researchers found most of these models generate internal representations that share properties of representations seen in the human brain when people are listening to the same sounds.

 

 


 

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