| AC1/8 | adenyl cyclase 1/8 |
| Ca2+ | calcium ion |
| CaM | calmodulin |
| CaMBP | calmodulin-binding protein |
| CaMKII | calmodulin-dependent kinase II |
| cAMP | cyclic AMP |
| HFS | high-frequency stimulation |
| Hz | Hertz |
| i-1 | inhibitor-1 |
| LFS | low-frequency stimulation |
| LTD | long-term depression |
| LTP | Long-term potentiation |
| PDE1/4B/4D | phosphodiesterase 1/4B/4D. |
| PKA | protein kinase A |
| PP1 | protein phosphatase 1 |
| PP2B | protein phosphatase 2B (calcineurin) |
| TBS | tsheta burst stimulation |