Neuroscience

Why do we fall asleep when bored?

Humans often defy sleepiness and stay awake when attention is necessary,yet experience an inescapable desire to sleep in boring situations. The brain mechanisms governing the regulation of sleep by cognitive and emotional ...

Neuroscience

An immune regulator of addiction

Drug addiction is often thought of as neuron-centric, but in a study published in the Proceedings of the National Academy of Sciences, M.D./Ph.D. student Daniel Kashima and his mentor, Brad Grueter, Ph.D., show that the immune ...

Psychology & Psychiatry

Oxytocin reduces cravings for methamphetamine

Many people have suggested that addiction hijacks the body's natural drives in the service of compulsive drug use. A new study now suggests that hijacking another natural system in the brain may help overcome drug addiction. ...

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 ...

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