Do you prefer full moons, new moons, or crescents? Whatever your birth moon, with Moonglow jewelry you can wear your favorite moon! Our moon phase necklaces make great gifts for any occasion, especially birthdays and anniversaries!
In the brain, dopamine functions as a neurotransmitter âa chemical released by nerve cells to send signals to other nerve cells. The brain includes several distinct dopamine systems, one of which plays a major role in reward-motivated behavior.
How stress affects brain performance. Stress hormones affect our memory and cognition. When we get upset, our cortisol levels elevate in the blood, and the part of our brain in which learning and memory resides -- the hippocampus -- starts dumping neurons as a reaction to stress. By getting smaller, our hippocampus negatively impacts our memory and learning capacity.