Studies of people with major depressive disorder (MDD) have shown that they have fewer serotonin receptors in their brains. If your brain can't receive dopamine normally, the result is that you feel less happy - or even sad - after what should have been a happy experience. For example, when you do something rewarding or pleasurable, the part of your brain that processes that information interacts with the chemical dopamine. Norepinephrine helps moderate your mood by controlling stress and anxiety.Ībnormalities in how the brain receives and processes these chemicals can have a big effect on your emotions.An imbalance in serotonin levels results in an increase in anger, anxiety, depression and panic. Researchers believe it plays a part in the regeneration of brain cells, which has been linked to easing depression. Serotonin is a neurotransmitter associated with memory and learning.This teaches your brain to want to do it again and again. In other words, when you do something good, you're rewarded with dopamine and gain a pleasurable, happy feeling. Dopamine is related to experiences of pleasure and the reward-learning process.
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