Answer:
A synapse is strengthened by the synchronous activity of the presynaptic and postsynaptic neurons
Step-by-step explanation:
Learning
This is simply known as the steps or process by which long-lasting changes occur in behavioral potential of an individual or animal due to a result of experience. Memory is said to be a product of learning. Long-term learning usually at behavioral level occur due to long-term plasticity in the brain.
Hebbian learning
This form of learning often makes small changes in the connection weights between two units. That is a sender and a receiver. It is said that If both units are active, the connection grows strong. That is also Units that fire together, wire together. If one unit is active but the other is not, the connection grows weaker.