Dopamine pathways is to Parkinson and Serotonin pathway is to Alzheimer’s
Dopaminergic pathways, sometimes called dopaminergic projections, are neural pathways in the brain that transmit the neurotransmitter dopamine from one region of the brain to another.[1][2]
The neurons of the dopaminergic pathways have axons that run the entire length of the pathway. The neurons’ somata produce the enzymes that synthesize dopamine, and they are then transmitted via the projecting axons to their synaptic destinations, where most of the dopamine is produced. Dopaminergic nerve cell bodies in such areas as the substantia nigra tend to be pigmented due to the presence of the black pigment melanin.
Serotonin pathways are pathways that help to regulate mood control.[1]
Dysregulation can be association with obsessive-compulsive disorder, anxiety disorders, and depression.[2
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