Motivation and reward processing

1. Cortical vs. Subcortical Structures (Neuroscience Tips)
2. Dopamine modulation vs. dopamine release (Nootropic Key Ideas)
3. Dopamine receptor upregulation vs. downregulation (Nootropic Key Ideas)
4. Cholinergic system vs. dopaminergic system (Nootropic Key Ideas)
5. GABAergic vs. glutamatergic (Nootropic Key Ideas)
6. Gut-brain axis vs. mental imagery (Neuroscience Tips)
7. Gut microbiota vs. mental resilience (Neuroscience Tips)
8. Microbial metabolites vs. perceptual processing (Neuroscience Tips)
9. Neurotransmitter receptors vs. transporters (Nootropic Key Ideas)
10. Neurotransmitter synthesis vs. breakdown (Nootropic Key Ideas)
11. Subcortical vs. Supracortical Structures (Neuroscience Tips)