Neuroscience

High-fat diet alters reward system in rats

Exposure to high-fat diet from childhood may increase the sensitivity of the dopamine system later in adulthood, according to a study in male rats published in eNeuro. The research describes potential mechanisms that, if ...

Neuroscience

Alcoholism may be caused by dynamical dopamine imbalance

An international research collaborative has identified potential alcoholism mechanisms associated with altered dopaminergic neuron response to complex dynamics of prefrontal cortex neurones affecting dopamine release.

Surgery

Study suggests approach to waking patients after surgery

The use of general anesthesia for surgery has not changed fundamentally since it was first introduced 170 years ago. Patients are still left to come around in their own time following withdrawal of the drug.

Immunology

Tickling the brain can boost immunity: study

Artificially stimulating the brain's feel-good centre boosts immunity in mice in a way that could help explain the power of placebos, a study reported Monday.

Psychology & Psychiatry

Researchers find brain circuit that controls binge drinking

Researchers at the University of North Carolina at Chapel Hill have identified a circuit between two brain regions that controls alcohol binge drinking, offering a more complete picture on what drives a behavior that costs ...

Neuroscience

Mapping neurons to improve the treatment of Parkinson's

Because billions of neurons are packed into our brain, the neuronal circuits that are responsible for controlling our behaviors are by necessity highly intermingled. This tangled web makes it complicated for scientists to ...

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