Little does she know it, but while ileana is having a great time at camp, making new friends and learning new skills, some of her neural connections, especially in her hippocampus, are growing stronger, and new synapses have been constructed. what is the name of this process by which experiences become lasting memories?

Consolidation

Explanation:

Consolidation: When short term memory change into long term memory or short memory turn into long term memory then consolidation happened. As we know that short term memories are stored for short time period about 30 seconds but we want to remember things for long time then short term memory moved to the long term memory. Consolidation is the cause of turning our short term memory into long term memories. There can be multiple reason for decaying of memories but when aging start our memories naturally decaying from the long term memories.

There are some way through that memories can be properly consolidated:

imperial crisis leads to civil war.

roman forces withdraw from britain as goths attack rome.

odoacer topples romulus augustus

huns attack the empire and drive german peoples ahead of them.