Nootropics for cognitive enhancement

1. Dopamine vs. serotonin vs. norepinephrine (Nootropic Key Ideas)
2. Neurotransmitter reuptake vs. enzymatic degradation (Nootropic Key Ideas)
3. Dopamine vs. acetylcholine (Nootropic Key Ideas)
4. Synaptic plasticity vs. synaptic pruning (Nootropic Key Ideas)
5. Synaptic transmission vs. synaptic plasticity (Nootropic Key Ideas)