Epinephrine (also called adrenaline) and norepinephrine (also called noradrenaline) have a lot in common. Both are hormones that travel through your body, affecting many tissues and organs.

As a result, there is less activation by dopamine and norepinephrine in the prefrontal cortex and the mesolimbic pathway, the area that processes rewards and motivation. Less dopamine can drive ...

Pupil dilation reveals the activation of the locus coeruleus-norepinephrine (LC-NE) pathway, a brain system involved in attention. Researchers wanted to learn whether pupil dilation measurements ...