Neuroscience

Scientists induce, relieve depression symptoms in mice with light

Among those who suffer from depression, the dual inabilities to experience enjoyment in things once pleasurable and to physically motivate oneself—to meet challenges, or even to get out of bed in the morning—have been ...

Neuroscience

Who learns from the carrot, and who from the stick?

To flexibly deal with our ever-changing world, we need to learn from both the negative and positive consequences of our behaviour. In other words, from punishment and reward. Hanneke den Ouden from the Donders Institute in ...

Neuroscience

Born to run: just not on cocaine

Cocaine is a highly addictive psychostimulant that induces complex molecular, cellular and behavioral responses. Despite various approaches and years of pre-clinical studies, effective, mechanism-based therapies to assist ...

Neuroscience

Investigating how 'chemo brain' develops in cancer patients

During and after chemotherapy, many cancer patients describe feeling a mental fog, a condition that has been dubbed "chemo brain." Why this happens is unclear, but researchers have found a new clue to understanding this syndrome. ...

Addiction

Potential new drug for alcohol dependence

(Medical Xpress) -- Research from Karolinska Institutet has identified a monoamine stabiliser as a potential new drug for the treatment of alcohol dependence. Tested on rats, whose reward system is gradually blunted by long-term ...

Neuroscience

The dopamine advantage

The junctions between nerve cells responsible for releasing and receiving dopamine in the brain are a surprising mismatch that gives this chemical a strong competitive advantage.

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