Long-Term Potentiation (LTP): This is a long-lasting strengthening of synapses between nerve cells. It's considered one of the major cellular mechanisms that underlies learning and memory.
The process by which existing memories are recalled and then stored again for later retrieval.
Sleep Spindles: Bursts of brain activity visible on an EEG that occur during stage 2 sleep. They are thought to play a role in consolidation of declarative memories.