Serotonin pathways are pathways that help to regulate mood control.[1]
Dysregulation can be association with obsessive-compulsive disorder, anxiety disorders, and depression.[2]
Nucleus basalis of Meynert → Neocortex
Septal nuclei (Medial septal nucleus) → Fornix → Hippocampus
Mesocortical pathway: Ventral tegmental area → Frontal cortex
Mesolimbic pathway: Ventral tegmental area → Nucleus accumbens
Nigrostriatal pathway: Pars compacta → Striatum