Category Archives: Addiction

Hormone from Hell? About the neurotransmitter dopamine.

A very good – and easily understandable – summary of in what ways we are influenced by the neurotransmitter dopamine.

I only want to add: This competent blogger has yet another blog, called Victoria Neuronotes. You should follow that blog too.

NeuroNotes

| 1K pharm  |  Dopamine is a small molecule. Nothing too complicated really. Two neighboring hydroxy groups on a benzene ring with an amino group just around the corner. But, oh! What a molecule. It is a neurotransmitter produced in various parts of the brain and has five known target receptors. According to the Wikipedia entry for the compound: “Its main function as a hormone is to inhibit the release of prolactin from the anterior lobe of the pituitary.” But, that belies a whole host of issues for which dopamine is responsible. Dopamine, after all, has a role to play in behavior and cognition, in voluntary movement, in motivation, in our level of concentration, working memory, learning, sleep patterns, our moods, sexual gratification, punishment, and, of course, reward.

Reward

We all know it when we receive it. It’s that most pleasurable feeling, that emotion that drives us…

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