Modulatory effects

1. Neurotransmitter vs. Neuromodulator (Neuroscience Tips)
2. Neurotransmission vs. Neuromodulation (Neuroscience Tips)
3. Decoding Cognitive Science: Agonist vs. Antagonist Neurons (Neuroscience Basics)
4. Neurotransmitters vs. neuromodulators (Nootropic Key Ideas)