Unihemispheric Sleep: Sleeping with Half a Brain Dolphins, seals, and some birds sleep one brain hemisphere at a time — what the EEG shows, why voluntary breathers and vulnerable sleepers evolved it, and what it says about sleep itself.
Synaptic Transmission The process by which neurons communicate across synapses using neurotransmitters, and how it is modulated and terminated.
Action Potentials The electrical pulse neurons use to send signals: resting potential, ion channels, and the all-or-none wave that travels down axons.