- Spontaneous Discharge - Electrical activity that is inherent, rhythmic or non-rhythmic in cells without external artificial stimulation. It is a core manifestation of cell excitability and a microscopic expression of the basic activity of brain function.
- Electroencephalogram (EEG): Used for recording sleep and epilepsy.
- Theta Oscillation: A type of brain electrical rhythm that is closely related to core brain functions such as learning and memory, spatial navigation, and emotional regulation.
