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Could a mini-stroke leave lasting fatigue?

A transient ischemic attack, also known as a mini-stroke, is typically defined as a temporary blockage of blood flow to the brain that causes symptoms that go away within a day, but a new study finds that people who have this type of stroke may also ha…

‘Sweet spot’ for focused ultrasound to provide essential tremor relief

For millions of people around the world with essential tremor, everyday activities from eating and drinking to dressing and doing basic tasks can become impossible. This common neurological movement disorder causes uncontrollable shaking, most often in…

How the brain allows us to infer emotions

Researchers have discovered how inferred emotions are learned. The study shows that the frontal part of the brain coordinates with the amygdala — a brain region important for simple forms of emotional learning — to make this higher-order emotional ab…

Mapping a new brain network for naming

Researchers identified two brain networks involved in word retrieval — the cognitive process of accessing words we need to speak. A semantic network processes meaning in middle/inferior frontal gyri, while an articulatory network in inferior frontal/p…

Hormone cycles shape the structure and function of key memory regions in the brain

Hormone levels fluctuate like the tides, ebbing and flowing according to carefully orchestrated cycles. These hormones not only influence the body, but can cross into the brain and shape the behavior of our neurons and cognitive processes. Recently, re…

Different anesthetics, same result: Unconsciousness by shifting brainwave phase

A new study finds that an easily measurable brain wave shift of phase may be a universal marker of unconsciousness under general anesthesia.

ChatGPT helps pinpoint precise locations of seizures in the brain, aiding neurosurgeons

ChatGPT responses matched or outperformed epileptologists’ responses related to the regions where epileptogenic zones are commonly located. Yet epileptologists provided more accurate responses for the regions rarely affected.

The how and why of the brain’s division across hemispheres

Why does the brain split visual spatial perception between its hemispheres? A new review by neuroscientists examines the advantages and trade-offs, and how the brain ultimately makes vision feel seamless.

Lab-on-a-chip devices take public health into home

Engineers created a new point-of-care test that measures cortisol in saliva to help doctors diagnose depression and anxiety.

Important step towards improving diagnosis and treatment of brain metastases

Brain metastases often occur as a result of advanced cancer and, despite medical innovations, are still associated with a poor prognosis. Now, an international expert committee has taken an important step towards improving diagnostics and therapy monit…