How Does the Brain Learn When Learning Happens?

The eplysia has about 20 thousand durons to the to the number c and the human brain, by comparison, has billions. Nerve cells communicate with one another through points of contact called synapses. So using this reductionist approach, where you boil it down to a simple problem, then you were able to figure out how how the brain learns,. i was able to find for the first time that happens when learning occurs. Also, just learnedt from a plesejust a dumb joke. Im sorry.