Attention and arousal

1. Neurotransmitter vs. Neuromodulator (Neuroscience Tips)
2. Cholinergic system vs. dopaminergic system (Nootropic Key Ideas)
3. Decussation vs. Ipsilateral Pathways (Neuroscience Tips)
4. Dopamine vs. serotonin vs. norepinephrine (Nootropic Key Ideas)
5. Event-Related Potentials (ERPs) vs. Steady-State Visual Evoked Potentials (SSVEPs) (Neuroscience Tips)
6. Neurotransmission vs. Neuromodulation (Neuroscience Tips)
7. Neurotransmitter synthesis vs. breakdown (Nootropic Key Ideas)