Medical Xpress news

Medical Xpress / Brain circuit keeps tabs on what just happened to aid judgment of what's happening now

A brain must constantly cope with the highly variable, fast-paced nature of the world when trying to judge what's going on around it. On the one hand, it has to be open to whatever new sensory information may come its way, ...

13 hours ago
Medical Xpress / Silent Strep A infections may explain immunity gained by adulthood

Exposure to Streptococcus pyogenes (Strep A) that causes mild or no symptoms can trigger the body's immune response and naturally build protection, potentially solving a nearly 100-year-old mystery of immunity.

14 hours ago
Medical Xpress / Astrocytes directly regulate brain circuits that consolidate memories during sleep, study reveals

Research has shown that a good night's sleep has many benefits, including memory consolidation. How sleep enables the brain to strengthen memories is still not completely understood, but a new study published in Neuron reveals ...

16 hours ago
Medical Xpress / Why brain imaging struggles to identify psychiatric disorder signatures

For decades, neuroscientists have been trying to determine whether different neuropsychiatric conditions are linked to specific variations in brain structure and neural connections. While past studies identified possible ...

18 hours ago
Medical Xpress / New brain map connects mice and primates to strengthen medical research

Most neuroscience research still runs on mice, even though much of what applies to mice does not hold up in humans. Marmosets have emerged as a bridge between species. However, comparing the brains of mice and marmosets runs ...

17 hours ago
Medical Xpress / Rb's unexpected activation of estrogen-responsive genes could explain breast cancer treatment resistance

Researchers at Peter Mac have discovered why breast cancer treatment stops working for some patients, uncovering the unexpected role of one of the body's most important cancer-fighting proteins. The study, published in Nature, ...

11 hours ago
Medical Xpress / When phones become an escape: Nomophobia tied to heavier social media use during downtime

Smartphones have become an essential part of everyday life. The anxiety or discomfort experienced when people are unable to use their mobile phones or when their phones are not within reach is known as nomophobia in psychology.

18 hours ago
Medical Xpress / New spike map shows how SARS-CoV-2 variants dodge key antibodies

Antibodies are an important defense against SARS-CoV-2, but the virus continues to evolve ways to evade them. Now, researchers have mapped how antibodies target a key region of the virus's spike protein, how they neutralize ...

15 hours ago
Medical Xpress / Potential language-specific brain network identified

The language network in your brain can be seen, even if you aren't saying a word. For a study published in Nature Communications, researchers used data from more than 1,900 functional magnetic resonance imaging (fMRI) scans ...

22 hours ago
Medical Xpress / Food decisions in anorexia engage brain region tied to inflexible habits, study finds

Individuals with anorexia nervosa restrict food intake, sometimes to the point of starvation. Yet a new study published in The Journal of Neuroscience finds that the cognitive machinery they use to make decisions about what ...

10 hours ago
Medical Xpress / Severe mental illness linked to preventable physical disease and shorter life span

Being diagnosed with a severe mental illness such as schizophrenia or bipolar disorder can reduce a person's life expectancy by up to 20 years compared with the general population, University of Queensland researchers have ...

15 hours ago
Medical Xpress / Cancer-specific c-Myc mapping reveals overlooked SLK protein as treatment target

Using a photochemically driven labeling technique, a Cornell-led research group has devised a strategy for capturing cancer-specific protein–protein interactions, which could one day lead to targeted therapies for prostate, ...

11 hours ago