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image: Rewarding Companions

Rewarding Companions

By | October 26, 2015

Oxytocin and social contact together modulate endocannabinoid activity in the mouse brain, which could help explain the prosocial effects of marijuana use. 

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image: Dopamine Distress and Obesity

Dopamine Distress and Obesity

By | September 14, 2015

A genetic predisposition toward learning poorly from negative outcomes may influence behaviors leading to weight gain, a study shows.

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image: Hormone Affects “Runner’s High”

Hormone Affects “Runner’s High”

By | September 2, 2015

Leptin, the satiety hormone produced by fat, affects neuronal signaling in the mouse brain; interference with this pathway can influence the rewarding effects of running in the animals.

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image: Mental Speedometer Cells

Mental Speedometer Cells

By | July 15, 2015

Scientists identify neurons that track speed in the brains of moving rats.

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image: Sex Differences in Pain Pathway

Sex Differences in Pain Pathway

By | June 29, 2015

Male and female mice utilize different immune cells to process pain, a study shows.

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image: Turning Off Hunger Pangs

Turning Off Hunger Pangs

By | April 27, 2015

Researchers identify a neural circuit that controls feelings of fullness in mice.

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image: Brain Cells Behind Overeating

Brain Cells Behind Overeating

By | January 29, 2015

Scientists have defined mouse neurons responsible for excessive food consumption at an unprecedented level of detail. 

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image: Thirst Neurons Found

Thirst Neurons Found

By | January 26, 2015

Using optogenetics, researchers pinpoint two distinct groups of brain cells that flip the switch on a mouse’s desire for water.

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image: Nutrient-Sensing Neurons

Nutrient-Sensing Neurons

By | June 1, 2014

Using just three dopaminergic neurons, Drosophila larvae can sense whether a food source lacks a full roster of essential amino acids.

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image: H.M.’s Brain

H.M.’s Brain

By | May 9, 2014

Scenes from the labs that study the unique organ

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