Brain is composed of nervouse tissue and informations goes form cell to cell by neurotransmitters and by electrical action potentials. This is common with all brains(including animal brains).
For the humans, there is a specific strcture called the limbic system that regulates our affective life and memory. Theese structures are shared by all humans in an identical way. The way the information is sent and stored differs from person to person.
The brain has different commanding centers = motor center in frontal lobe, sensitive center in parietal lobe, seeing center, etc. (for all different a