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Impact of oft-overlooked cell in brain function revealed

An often-ignored type of cell in the brain plays a dynamic and surprisingly complex role in our ability to process information, according to new research.

AI overconfidence mirrors human brain condition

Agents, chatbots and other tools based on artificial intelligence (AI) are increasingly used in everyday life by many. So-called large language model (LLM)-based agents, such as ChatGPT and Llama, have become impressively fluent in the responses they f…

People with critical cardiovascular disease may benefit from palliative care

Palliative care is specialized medical care focused on easing symptoms, addressing psychological and spiritual needs, and helping patients and caregivers make critical decisions aligned with their personal beliefs and values.

Marfan syndrome increases risk of brain alterations

A study reveals that inflammation associated with Marfan syndrome increases vulnerability to neurological diseases and complications following strokes, as demonstrated in animal models.

Cyberbullying in any form can be traumatizing for kids

New research shows that cyberbullying should be classified as an adverse childhood experience due to its strong link to trauma. Even subtle forms — like exclusion from group chats — can trigger PTSD-level distress. Nearly 90% of teens experienced som…

Focused ultrasound halts growth of debilitating brain lesions

A new, incision-free technique developed at UVA Health to treat debilitating brain lesions called cerebral cavernous malformations, or cavernomas, has shown great promise in early testing, halting the growth of the lesions almost entirely.

Mindfulness course effective in people with difficult-to-treat depression

Mindfulness-based therapy can offer significant relief for individuals who are still depressed after receiving treatment, according to a new clinical trial.

Too much sleep can hurt cognitive performance, especially for those with depression

Sleeping nine hours or more per night is associated with worse cognitive performance, and it is even more the case for those with depression.

New insights into the energy balance of brain neurons

A research team has demonstrated how the energy levels of individual neurons in the brain change during so-called spreading depolarizations — waves of activity that occur in various brain disorders. The findings provide important foundations for under…

Vision loss, damage could be tied to eye pressure, study finds

One of the world’s leading causes of irreversible vision loss could begin with elevated eye pressure, according to a recent study.