Brain News and Research

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The human brain is the center of the human nervous system and is a highly complex organ. Enclosed in the cranium, it has the same general structure as the brains of other mammals, but is over three times as large as the brain of a typical mammal with an equivalent body size.

Exercise effectively protects against subarachnoid hemorrhage

A Finnish study demonstrates that as little as half an hour of light exercise per week effectively protects against subarachnoid hemorrhage, the most lethal disorder of the cerebral circulation.

25 Jun 2019

Study uncovers new hunger pathway in the brain

A newly identified hunger pathway in the brain can quickly modify food intake in the presence of food, according to a study of mice published in JNeurosci.

From Society for Neuroscience 25 Jun 2019

Women more likely to suffer from long-term cognitive impairment after brain tumor radiation

Young women who undergo radiation therapy to treat a pediatric brain tumor are more likely to suffer from long-term cognitive impairment than male survivors, according to a study by Georgia State University researchers.

25 Jun 2019

Researchers identify missing link between amyloid plaques and tau tangles in Alzheimer's

Years before symptoms of Alzheimer's disease appear, two kinds of damaging proteins silently collect in the brain: amyloid beta and tau. Clumps of amyloid accumulate first, but tau is particularly noxious.

25 Jun 2019

New promising approach repairs system of blood vessels following stroke

Following a stroke, antibodies that inhibit the signaling molecule Nogo-A can help repair blood vessels in the affected brain regions.

25 Jun 2019

Loss of body fat causes growth of the intestine

Teagasc research shows that loss of body fat causes the growth of the intestine and increases its capacity to absorb nutrients. This presents new approaches for weight management.

25 Jun 2019

Epileptic patients experience ecstatic aura on stimulating brain’s dorsal anterior insula

The epileptic "aura" is a subjective phenomenon that sometimes precedes the visible clinical features of a seizure.

25 Jun 2019

Researchers discover early biomarker for degenerative neurologic disease

Researchers have discovered a novel radioligand that can effectively differentiate progressive supranuclear palsy (PSP) from similar brain disorders, allowing for earlier and more reliable diagnosis of the disease.

24 Jun 2019

Poor sleep linked to reduced memory performance in older adults

A new study has found that variability in night-to-night sleep time and reduced sleep quality adversely affect the ability of older adults to recall information about past events.

24 Jun 2019

Immature mood neurons develop during adolescence

Researchers have discovered a mysterious group of neurons in the amygdala -- a key center for emotional processing in the brain -- that stay in an immature, prenatal developmental state throughout childhood.

24 Jun 2019

New blood test could potentially diagnose Alzheimers even before symptoms appear

Doctors may one day be able to diagnose Alzheimer's disease, the most common cause of severe dementia, and monitor a patient's response to treatment by doing a simple blood test.

24 Jun 2019

Adult survivors of pediatric brain tumors may experience cognitive, socioeconomic burdens

Survivors of childhood brain tumors who received radiotherapy and were very young at the time of diagnosis may experience cognitive and socioeconomic burdens decades after treatment, according to a study published early online in CANCER, a peer-reviewed journal of the American Cancer Society.

24 Jun 2019