Answer:
"Synthesized" is the making sense of the cerebral cortex in less advanced portion the brain like brain stem.
Step-by-step explanation:
The activation-synthesis model of dreaming theory was first pro-founded by "Allen Hobson" and "Robert McCarley" in late 1970.
According to this model, theory dreams are the result of the cerebral cortex which attempts to synthesize the neural activity in the lower or inferior part of brain-like in the brain stem.
During sleep, dreams are created by the neuron activity that activates the brain stem in the duration of REM Sleep.