What are serotonin and NE pathways in brain?

Raphe nucleus, to sleep centers, frontal cortex, hypothalamus, limbic system and basal ganglia (serotonin) and LC to cerebellum, frontal cortex, limbic system and hypothalamus (NE) Role of monoamines (serotonin, NE and dopamine balance excitatory mechanisms in brain and prefrontal cortex (logic) and limbic system (emotions), any dysregulation causes depressive symptoms (cortex: depressive mood, hypothalamus weight change and pleasyre loss, limbic guilt and suicidal thoughts...