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Neuroscience

The ones who need little sleep

Short sleepers cruise by on four to six hours a night and don’t seem to suffer ill effects. Turns out they’re genetically built to require less sleep than the rest of us.

Severe irritability in children and teens: A new understanding

Kids with disruptive mood dysregulation disorder have explosive outbursts well past toddler age. Scientists are trying to work out the causes and what treatments help.

Night of the zombie insects

A parasitic fungus takes over the brains of flies and controls them for its own sinister ends. Here’s the science behind the horror.

The Cybathlon: Bionic athletes compete for the gold — and push assistive technologies forward

In the international competition, people with physical disabilities put state-of-the-art devices to the test as they race to complete the tasks of everyday life

Studies of migraine’s many triggers offer paths to new therapies

One class of drugs has already found success in treating the painful, disorienting and common attacks. Excitement is building about a slew of additional drug targets.

Why a diabetes drug fell short of anticancer hopes

Population and animal studies suggested it could treat cancer, but the clinical trials were a bust. Here’s what happened and what potential may remain.

What’s that smell — and how’d you know?

It’s clear that genes, receptors and neurons all play a role in detecting odors. But much of how we make sense of what we sniff remains mysterious. A neuroscientist explains.

To pee or not to pee? That is a question for the bladder — and the brain

How do we sense the need to urinate? The basic urge is surprisingly complex and can go awry as we age.

Fit for a dog? The latest science on CBD for pets

Though studies are still mixed, and products often inconsistent, many scientists have hope that cannabidiol can help canines and other furry patients suffering from arthritis, allergies and anxiety

When are parents responsible for their kids’ behavior?

A researcher weighs in on who’s accountable, when and why, in the eyes of the law — and whether the measures work as intended

Genes and heart disease: Finally making the link

Polygenic risk scores — a patient’s chance, based on tiny DNA variants, of developing cardiovascular disease, breast cancer and more — are coming to clinics. But there are kinks to iron out and accuracy remains an issue.

How gut bacteria connect to Parkinson’s disease

Growing evidence suggests a link between the debilitating neurological illness and the microbes that live in our intestines. The vagus nerve may be a pathway.

The growing link between microbes, mood and mental health

New research suggests that to maintain a healthy brain, we should tend our gut microbiome. The best way to do that right now is not through pills and supplements, but better food.

Evolution of the nervous system

COMIC: When, why and how did neurons first evolve? Scientists are piecing together the ancient story.

A magnetic therapy for depression gains precision

Approved over a decade ago, transcranial magnetic stimulation (TMS) is moderately effective. Tailoring the treatment to individual brains may improve results.

Do spiders dream? What about cuttlefish? Bearded dragons?

Researchers are finding signs of multiple phases of sleep all over the animal kingdom. The ‘active’ sleep phases look very much like REM.

The neurons that make us feel hangry

Neuroscientists think a cluster of cells in the brain that stimulate appetite could be a target for eating disorder therapies

Reading the mind with machines

Researchers are developing brain-computer interfaces that would enable communication for people with locked-in syndrome and other conditions that render them unable to speak

Teens can have excellent executive function — just not all the time

Adolescents’ brains are highly capable, if inconsistent, during this critical age of exploration and development. They are also acutely tuned into rewards.

Hope for haploinsufficiency diseases

Genetic conditions like Dravet syndrome, which causes severe childhood epilepsy, are hard to tackle with traditional gene therapy. New approaches in the works include using antisense therapy to boost mRNA splicing.

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