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How does our brain regulate generosity?

Are there areas of the brain, which regulate prosocial, altruistic behavior? Researchers have studied a very special group of patients and established that the ‘basolateral amygdala’ (part of the limbic system) plays an important role in this.

Stress, depression factor into link between insomnia, heavy drinking

A new study suggests that perceived stress and depression factor into the relationship between insomnia and hazardous drinking — perhaps not a surprise. But because the relationship between insomnia and heavy drinking goes in both directions, the infl…

How the brain controls movement under uncertainty

A new study by neuroscientists shows that our brain deals with different forms of visual uncertainty during movements in distinct ways. Depending on the type of uncertainty, planning and execution of movements in the brain are affected differently. The…

Police officers face twice the risk of traumatic brain injuries and PTSD, survey finds

Police officers are more than twice as likely to have traumatic brain injuries compared to the general population.

The brain resorts to myelin when other brain nutrients are depleted

Marathon runners experience reversible changes in their brain myelin. These findings indicate that myelin (a substance that surrounds the neurons) exhibits behavior that was previously unknown, and that it contributes towards the brain’s energy metabol…

How mothers adapt to the metabolic demands of nursing

Nursing poses major metabolic demands on mothers, to which they respond by eating more and saving energy to sustain milk production. There are significant hormonal changes during lactation, but how they lead to metabolic adaptations in nursing mothers …

AI models of the brain could serve as ‘digital twins’ in research

In a new study, researchers created an AI model of the mouse visual cortex that predicts neuronal responses to visual images.

Eight or more drinks per week linked to signs of injury in the brain

Heavy drinkers who have eight or more alcoholic drinks per week have an increased risk of brain lesions called hyaline arteriolosclerosis, signs of brain injury that are associated with memory and thinking problems, according to a new study.

Father with Alzheimer’s? You may be more at risk of brain changes

While some studies have suggested that having a mother with Alzheimer’s disease may put you more at risk of developing the disease, a new study finds that having a father with the disease may be tied to a greater spread of the tau protein in the brain …

Scientists map unprecedented detail of connections and visual perception in the mouse brain

In a massive scientific effort, hundreds of researchers have helped to map the connections between hundreds of thousands of neurons in the mouse brain and then overlayed their firing patterns in response to visual stimuli. This breakthrough is a critic…