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Medical Xpress / Gut bacteria linked to key brain chemicals in first-of-its-kind human study

The neuroactive potential of bacteria living in the human gut is associated with levels of key chemicals in the brain, according to a new study published in Molecular Psychiatry. The research team from the University of Surrey ...

16 hours ago in
Medical Xpress / The benefits of slow running

A growing body of evidence shows that exercise improves mood and cognitive function. However, much of this evidence comes from cycling, which allows researchers to precisely control exercise intensity in the laboratory.

Aug 31, 2026 in
Tech Xplore / A humanoid robot's social expressiveness may backfire when it makes mistakes

For robots to be successfully deployed in real-world environments, humans should trust them enough to cooperate with them. Some roboticists have been trying to determine whether users perceive robots that exhibit socially ...

Aug 28, 2026 in Consumer & Gadgets
Medical Xpress / Loneliness rewires the brain to drive alcohol use, preclinical study finds

Loneliness can reprogram the brain in ways that increase alcohol consumption, according to a new preclinical study led by Northwestern University and the Salk Institute for Biological Studies. The scientists identified, for ...

Aug 25, 2026 in
Medical Xpress / How the brain distinguishes the consequences of our own choices from events beyond our control

A study led by the University of Oxford has identified the brain mechanisms that help us work out whether the consequences we experience are caused by our own actions or by circumstances beyond our control.

Aug 21, 2026 in
Medical Xpress / Submillimeter MRI reveals brain hubs that guide risky decisions

Imagine that a notification on your financial app captures your attention about a stock projected to have a 68% chance of doubling your investment within a month, with a 32% chance of total loss. Would you commit a $50,000 ...

Aug 20, 2026 in
Medical Xpress / Psychedelic exposure during adolescence disrupts a brain circuit linked to lasting social avoidance in rats

Psychedelics, drugs that alter people's perceptions, mood and thoughts, have recently shown promise for the treatment of some psychiatric disorders. Yet many psychedelic drugs remain controlled substances in most countries ...

Aug 18, 2026 in
Medical Xpress / Emotion-regulation training reduces distress and changes the brain, team reports

A five-week training intervention taught college students to better regulate their emotions in response to negative events, a new study finds. After the training, the students reported less emotional distress when viewing ...

Aug 18, 2026 in
Medical Xpress / Flexible brain circuits can switch between different tasks

As we move through everyday life, our brains engage in a huge variety of cognitive tasks. For example, during a grocery run, we might have to recall the items for a recipe, remember where the clerk said the flour was located ...

Aug 17, 2026 in
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, ...

Aug 13, 2026 in
Phys.org / Early hardship may shape how oxytocin influences altruism

While humans are inherently social beings, they can interact and connect with others in very different ways. For instance, while some people tend to be more altruistic, others are less prone to helping their friends, acquaintances ...

Aug 13, 2026 in Other Sciences
Medical Xpress / Brain immune cell map explains how defenses shift during Alzheimer's progression

The brain's immune cells are increasingly recognized as key players in Alzheimer's disease, but exactly how they change as the disease develops has remained unclear. A new study published in Nature Genetics provides the most ...

Aug 11, 2026 in