Serotonin from the mother is taken up by the fetal placenta, which then produces a myriad of hormones, growth factors, and regulators that are delivered to the fetus. Credit: Yale University For the ...

Scientists have studied the main source of serotonin in the brain -- the dorsal raphe nucleus (DRN). By studying how activating the brain's 'serotonin center' affects awake animals for the first time, ...

In our day-to-day lives, we're constantly making a slew of decisions, from immediate matters to prospects on the far horizon. But the evolutionary nuts-and-bolts of how our brains weigh these numerous ...

Our lives are filled with binary decisions – choices between one of two alternatives. But what's really happening inside our brains when we engage in this kind of decision making? A University of ...

Research shows that reward-based learning requires the two neuromodulators to balance one another's influence -- like the accelerator and brakes on a car If you've heard of two of the brain's chemical ...

Serotonin is a neurotransmitter, a chemical that moves back and forth in the space (called the synapse) between two nerve cells, or neurons. When one neuron is ready to send a message to another, it ...