Chemicals in Brain

Every reaction there involves a chemical even though in water(H2O). Let’s know about the chemicals released by the brain and their chemicals reactions to make us feel and express different kinds of emotions.

There are some chemicals identified in our human body. They are,

Serotonin
Dopamine
Glutamate
Norepinephrine

Serotonin

You probably already know that serotonin plays a role in sleep and in depression, but this inhibitory chemical also plays a major role in many of your body’s essential functions, including appetite, arousal, and mood. Many antidepressants target serotonin receptors to improve your mood and lessen depressive symptoms.

Interestingly, most of your serotonin is stored in the intestine, and this chemical may play a role in digestive functioning as well.

Dopamine

Dopamine controls many functions, including behaviour, emotion, and cognition. This chemical also communicates with the front part of your brain, which is associated with pleasure and reward. On the positive side, it helps motivate you to work toward achieving a reward. However, many illegal drugs also target dopamine receptors, contributing to drug and alcohol addiction. Because dopamine is related to movement, low levels have also been linked to Parkinson’s disease.

Glutamate

This is the most common excitatory neurotransmitter, found throughout your brain and spinal cord. Glutamate has many essential functions, including early brain development, cognition, learning, and memory.

Norepinephrine

This chemical, also called noradrenaline, can sometimes act as a hormone as well. Its primary role is part of your body’s stress response. It works with the hormone adrenaline to create the “fight-or-flight” feeling. Norepinephrine may also be used as a drug to raise or maintain blood pressure in certain illnesses.

Credits: Sabitha

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