Dopamine receptors are proteins located on the surface of neurons in the brain that bind to dopamine molecules, thereby transmitting signals within and between brain regions. There are several types of dopamine receptors, which are classified into two main families: D1-like receptors and D2-like receptors. The D1-like receptors are primarily involved in promoting activation, while the D2-like receptors are primarily involved in inhibiting activation. Dopamine receptors play a key role in regulating various brain functions, such as movement, motivation, reward, learning, attention, and mood, and are the target of many medications used to treat neurological and psychiatric disorders, such as Parkinson’s disease, schizophrenia, addiction, and depression.
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