And though the hypothalamus is involved in regulating appetite, not memory – but the fornix, a nerve bundle that passes through that area, is. It’s the main “nerve highway” connecting the hippocampus to the rest of the brain, and the hippocampus is vital for memory.
This form of communication is extremely private and restricted to ourselves. It includes the silent conversations we have with ourselves, wherein we juggle roles between the sender and receiver who are processing our thoughts and actions. This process of communication when analyzed can either be conveyed verbally to someone or stay confined as thoughts.