Neuroscience

How the brain 'approximates' without actually counting

From the time of early infancy, humans are endowed with the capacity to approximate the number of objects in their visual field, an ability that continues throughout life and may underlie the development of more complex mathematical ...

Immunology

How chronic inflammation may drive down dopamine and motivation

Growing evidence shows that the brain's dopamine system, which drives motivation, is directly affected by chronic, low-grade inflammation. A new paper proposes that this connection between dopamine, effort and the inflammatory ...

Diseases, Conditions, Syndromes

Could you have a sensitive gut?

(HealthDay)—If you've ever wondered why emotional distress causes stomach cramps or a mad dash to the bathroom, know that there's a direct line of communication that runs from your brain to your digestive tract.

Neuroscience

A new window into macaque brain connections

Researchers can now see how the two sides of the living brain mirror each other thanks to a new combination-imaging technique. The method dubbed "opto-OISI" takes advantage of rapidly developing high-resolution optical technologies ...

Neuroscience

Study illuminates the brain's inner workings

Like instruments in an orchestra, different parts of the human brain work together to help us perform the functions of daily life, ranging from breathing and sleeping to reading, walking and learning.

Neuroscience

How the brain 'mentalizes' cooperation

What parts of your brain are involved in gauging a friend's actions and adjusting your own; for example, when you both carry a couch up a flight of stairs? Researchers in Japan have found that part of the right side of the ...

Parkinson's & Movement disorders

Study says life span normal when Parkinson's does not affect thinking

In the past, researchers believed that Parkinson's disease did not affect life expectancy. But recent studies showed a somewhat shorter life span. Now a new study suggests that when the disease does not affect thinking skills ...

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