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

Dopamine control of prolactin secretion

In women, a major role of prolactin is to initiate and sustain pregnancy and lactation. During pregnancy, prolactin secretion from the pituitary gland is important for pregnancy maintenance and prolactin levels are correlated ...

Medical research

Experimental stem cell treatment leaves three women blind

An experimental treatment - which blinded three women after stem cells from abdominal fat were injected into their eyes - was advertised on a government-run clinical trial website but lacked proper safeguards, researchers ...

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.

Neuroscience

Scientists find sensor that makes synapses fast

Synapses, the connections between neurons, come in different flavors, depending on the chemical they use as transmitter. Signal transmitters, or neurotransmitters, are released at the synapse after calcium ions flow into ...

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