Frequently used variables
| Variable | Definition |
|---|---|
| f | Failure rate before addition of drug |
| f′ | Failure rate after addition of drug |
| I | Whole-cell current before addition of drug |
| I′ | Whole-cell current after addition of drug |
| Pro | Probability of a receptor opening during a trial, given neurotransmitter release |
| Pr | Probability of presynaptic neurotransmitter release |
| n | Number of NMDA-R molecules opening at a single synapse |
| M | Number of NMDA-R molecules at a single synapse |