Mood regulation effects

1. Dopamine precursors vs. dopamine reuptake inhibitors (Nootropic Key Ideas)
2. Deep Brain Stimulation (DBS) vs. Vagus Nerve Stimulation (VNS) (Neuroscience Tips)
3. Neurotransmitter vs Hormone (Neurocognitive Assessment Tips)
4. Brain-derived neurotrophic factor (BDNF) vs. nerve growth factor (NGF) (Nootropic Key Ideas)
5. Dopamine vs. norepinephrine (Nootropic Key Ideas)
6. Neuropeptides vs. neurotransmitters (Nootropic Key Ideas)
7. Neurotransmitter synthesis vs. degradation pathways (Nootropic Key Ideas)